2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
15 #include <openssl/bio.h>
16 #include <openssl/err.h>
17 #include <openssl/x509.h>
18 #include <openssl/x509v3.h>
19 #include <openssl/pem.h>
21 typedef enum OPTION_choice {
22 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
23 OPT_INFORM, OPT_IN, OPT_OUTFORM, OPT_OUT, OPT_KEYFORM, OPT_KEY,
24 OPT_ISSUER, OPT_LASTUPDATE, OPT_NEXTUPDATE, OPT_FINGERPRINT,
25 OPT_CRLNUMBER, OPT_BADSIG, OPT_GENDELTA, OPT_CAPATH, OPT_CAFILE, OPT_CASTORE,
26 OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, OPT_VERIFY, OPT_TEXT, OPT_HASH,
27 OPT_HASH_OLD, OPT_NOOUT, OPT_NAMEOPT, OPT_MD
30 const OPTIONS crl_options[] = {
31 {"help", OPT_HELP, '-', "Display this summary"},
32 {"inform", OPT_INFORM, 'F', "Input format; default PEM"},
33 {"in", OPT_IN, '<', "Input file - default stdin"},
34 {"outform", OPT_OUTFORM, 'F', "Output format - default PEM"},
35 {"out", OPT_OUT, '>', "output file - default stdout"},
36 {"keyform", OPT_KEYFORM, 'F', "Private key file format (PEM or ENGINE)"},
37 {"key", OPT_KEY, '<', "CRL signing Private key to use"},
38 {"issuer", OPT_ISSUER, '-', "Print issuer DN"},
39 {"lastupdate", OPT_LASTUPDATE, '-', "Set lastUpdate field"},
40 {"nextupdate", OPT_NEXTUPDATE, '-', "Set nextUpdate field"},
41 {"noout", OPT_NOOUT, '-', "No CRL output"},
42 {"fingerprint", OPT_FINGERPRINT, '-', "Print the crl fingerprint"},
43 {"crlnumber", OPT_CRLNUMBER, '-', "Print CRL number"},
44 {"badsig", OPT_BADSIG, '-', "Corrupt last byte of loaded CRL signature (for test)" },
45 {"gendelta", OPT_GENDELTA, '<', "Other CRL to compare/diff to the Input one"},
46 {"CApath", OPT_CAPATH, '/', "Verify CRL using certificates in dir"},
47 {"CAfile", OPT_CAFILE, '<', "Verify CRL using certificates in file name"},
48 {"CAstore", OPT_CASTORE, ':', "Verify CRL using certificates in store URI"},
49 {"no-CAfile", OPT_NOCAFILE, '-',
50 "Do not load the default certificates file"},
51 {"no-CApath", OPT_NOCAPATH, '-',
52 "Do not load certificates from the default certificates directory"},
53 {"no-CAstore", OPT_NOCASTORE, '-',
54 "Do not load certificates from the default certificates store"},
55 {"verify", OPT_VERIFY, '-', "Verify CRL signature"},
56 {"text", OPT_TEXT, '-', "Print out a text format version"},
57 {"hash", OPT_HASH, '-', "Print hash value"},
58 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
59 {"", OPT_MD, '-', "Any supported digest"},
60 #ifndef OPENSSL_NO_MD5
61 {"hash_old", OPT_HASH_OLD, '-', "Print old-style (MD5) hash value"},
66 int crl_main(int argc, char **argv)
70 X509_STORE *store = NULL;
71 X509_STORE_CTX *ctx = NULL;
72 X509_LOOKUP *lookup = NULL;
73 X509_OBJECT *xobj = NULL;
75 const EVP_MD *digest = EVP_sha1();
76 char *infile = NULL, *outfile = NULL, *crldiff = NULL, *keyfile = NULL;
77 const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL, *prog;
79 int hash = 0, issuer = 0, lastupdate = 0, nextupdate = 0, noout = 0;
80 int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM;
81 int ret = 1, num = 0, badsig = 0, fingerprint = 0, crlnumber = 0;
82 int text = 0, do_ver = 0, noCAfile = 0, noCApath = 0, noCAstore = 0;
84 #ifndef OPENSSL_NO_MD5
88 prog = opt_init(argc, argv, crl_options);
89 while ((o = opt_next()) != OPT_EOF) {
94 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
97 opt_help(crl_options);
101 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
108 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
115 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyformat))
146 #ifndef OPENSSL_NO_MD5
171 case OPT_FINGERPRINT:
181 if (!set_nameopt(opt_arg()))
185 if (!opt_md(opt_unknown(), &digest))
189 argc = opt_num_rest();
193 x = load_crl(infile, informat);
198 if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
199 CAstore, noCAstore)) == NULL)
201 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
204 ctx = X509_STORE_CTX_new();
205 if (ctx == NULL || !X509_STORE_CTX_init(ctx, store, NULL, NULL)) {
206 BIO_printf(bio_err, "Error initialising X509 store\n");
210 xobj = X509_STORE_CTX_get_obj_by_subject(ctx, X509_LU_X509,
211 X509_CRL_get_issuer(x));
213 BIO_printf(bio_err, "Error getting CRL issuer certificate\n");
216 pkey = X509_get_pubkey(X509_OBJECT_get0_X509(xobj));
217 X509_OBJECT_free(xobj);
219 BIO_printf(bio_err, "Error getting CRL issuer public key\n");
222 i = X509_CRL_verify(x, pkey);
227 BIO_printf(bio_err, "verify failure\n");
229 BIO_printf(bio_err, "verify OK\n");
233 X509_CRL *newcrl, *delta;
235 BIO_puts(bio_err, "Missing CRL signing key\n");
238 newcrl = load_crl(crldiff, informat);
241 pkey = load_key(keyfile, keyformat, 0, NULL, NULL, "CRL signing key");
243 X509_CRL_free(newcrl);
246 delta = X509_CRL_diff(x, newcrl, pkey, digest, 0);
247 X509_CRL_free(newcrl);
253 BIO_puts(bio_err, "Error creating delta CRL\n");
259 const ASN1_BIT_STRING *sig;
261 X509_CRL_get0_signature(x, &sig, NULL);
262 corrupt_signature(sig);
266 for (i = 1; i <= num; i++) {
268 print_name(bio_out, "issuer=", X509_CRL_get_issuer(x),
271 if (crlnumber == i) {
272 ASN1_INTEGER *crlnum;
273 crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number, NULL, NULL);
274 BIO_printf(bio_out, "crlNumber=");
276 i2a_ASN1_INTEGER(bio_out, crlnum);
277 ASN1_INTEGER_free(crlnum);
279 BIO_puts(bio_out, "<NONE>");
280 BIO_printf(bio_out, "\n");
283 BIO_printf(bio_out, "%08lx\n",
284 X509_NAME_hash(X509_CRL_get_issuer(x)));
286 #ifndef OPENSSL_NO_MD5
288 BIO_printf(bio_out, "%08lx\n",
289 X509_NAME_hash_old(X509_CRL_get_issuer(x)));
292 if (lastupdate == i) {
293 BIO_printf(bio_out, "lastUpdate=");
294 ASN1_TIME_print(bio_out, X509_CRL_get0_lastUpdate(x));
295 BIO_printf(bio_out, "\n");
297 if (nextupdate == i) {
298 BIO_printf(bio_out, "nextUpdate=");
299 if (X509_CRL_get0_nextUpdate(x))
300 ASN1_TIME_print(bio_out, X509_CRL_get0_nextUpdate(x));
302 BIO_printf(bio_out, "NONE");
303 BIO_printf(bio_out, "\n");
305 if (fingerprint == i) {
308 unsigned char md[EVP_MAX_MD_SIZE];
310 if (!X509_CRL_digest(x, digest, md, &n)) {
311 BIO_printf(bio_err, "out of memory\n");
314 BIO_printf(bio_out, "%s Fingerprint=",
315 OBJ_nid2sn(EVP_MD_type(digest)));
316 for (j = 0; j < (int)n; j++) {
317 BIO_printf(bio_out, "%02X%c", md[j], (j + 1 == (int)n)
323 out = bio_open_default(outfile, 'w', outformat);
328 X509_CRL_print_ex(out, x, get_nameopt());
335 if (outformat == FORMAT_ASN1)
336 i = (int)i2d_X509_CRL_bio(out, x);
338 i = PEM_write_bio_X509_CRL(out, x);
340 BIO_printf(bio_err, "unable to write CRL\n");
347 ERR_print_errors(bio_err);
350 X509_STORE_CTX_free(ctx);
351 X509_STORE_free(store);