2 * Copyright 1995-2021 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 {
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_DATEOPT, OPT_TEXT, OPT_HASH,
27 OPT_HASH_OLD, OPT_NOOUT, OPT_NAMEOPT, OPT_MD, OPT_PROV_ENUM
30 const OPTIONS crl_options[] = {
31 OPT_SECTION("General"),
32 {"help", OPT_HELP, '-', "Display this summary"},
33 {"verify", OPT_VERIFY, '-', "Verify CRL signature"},
36 {"in", OPT_IN, '<', "Input file - default stdin"},
37 {"inform", OPT_INFORM, 'F', "CRL input format (DER or PEM); has no effect"},
38 {"key", OPT_KEY, '<', "CRL signing Private key to use"},
39 {"keyform", OPT_KEYFORM, 'F', "Private key file format (DER/PEM/P12); has no effect"},
41 OPT_SECTION("Output"),
42 {"out", OPT_OUT, '>', "output file - default stdout"},
43 {"outform", OPT_OUTFORM, 'F', "Output format - default PEM"},
44 {"dateopt", OPT_DATEOPT, 's', "Datetime format used for printing. (rfc_822/iso_8601). Default is rfc_822."},
45 {"text", OPT_TEXT, '-', "Print out a text format version"},
46 {"hash", OPT_HASH, '-', "Print hash value"},
47 #ifndef OPENSSL_NO_MD5
48 {"hash_old", OPT_HASH_OLD, '-', "Print old-style (MD5) hash value"},
50 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
51 {"", OPT_MD, '-', "Any supported digest"},
54 {"issuer", OPT_ISSUER, '-', "Print issuer DN"},
55 {"lastupdate", OPT_LASTUPDATE, '-', "Set lastUpdate field"},
56 {"nextupdate", OPT_NEXTUPDATE, '-', "Set nextUpdate field"},
57 {"noout", OPT_NOOUT, '-', "No CRL output"},
58 {"fingerprint", OPT_FINGERPRINT, '-', "Print the crl fingerprint"},
59 {"crlnumber", OPT_CRLNUMBER, '-', "Print CRL number"},
60 {"badsig", OPT_BADSIG, '-', "Corrupt last byte of loaded CRL signature (for test)" },
61 {"gendelta", OPT_GENDELTA, '<', "Other CRL to compare/diff to the Input one"},
63 OPT_SECTION("Certificate"),
64 {"CApath", OPT_CAPATH, '/', "Verify CRL using certificates in dir"},
65 {"CAfile", OPT_CAFILE, '<', "Verify CRL using certificates in file name"},
66 {"CAstore", OPT_CASTORE, ':', "Verify CRL using certificates in store URI"},
67 {"no-CAfile", OPT_NOCAFILE, '-',
68 "Do not load the default certificates file"},
69 {"no-CApath", OPT_NOCAPATH, '-',
70 "Do not load certificates from the default certificates directory"},
71 {"no-CAstore", OPT_NOCASTORE, '-',
72 "Do not load certificates from the default certificates store"},
77 int crl_main(int argc, char **argv)
81 X509_STORE *store = NULL;
82 X509_STORE_CTX *ctx = NULL;
83 X509_LOOKUP *lookup = NULL;
84 X509_OBJECT *xobj = NULL;
86 EVP_MD *digest = (EVP_MD *)EVP_sha1();
87 char *infile = NULL, *outfile = NULL, *crldiff = NULL, *keyfile = NULL;
88 char *digestname = NULL;
89 const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL, *prog;
91 int hash = 0, issuer = 0, lastupdate = 0, nextupdate = 0, noout = 0;
92 int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, keyformat = FORMAT_UNDEF;
93 int ret = 1, num = 0, badsig = 0, fingerprint = 0, crlnumber = 0;
94 int text = 0, do_ver = 0, noCAfile = 0, noCApath = 0, noCAstore = 0;
95 unsigned long dateopt = ASN1_DTFLGS_RFC822;
97 #ifndef OPENSSL_NO_MD5
101 opt_set_unknown_name("digest");
102 prog = opt_init(argc, argv, crl_options);
103 while ((o = opt_next()) != OPT_EOF) {
108 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
111 opt_help(crl_options);
115 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
122 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
129 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyformat))
160 #ifndef OPENSSL_NO_MD5
168 if (!set_dateopt(&dateopt, opt_arg()))
189 case OPT_FINGERPRINT:
199 if (!set_nameopt(opt_arg()))
203 digestname = opt_unknown();
206 if (!opt_provider(o))
212 /* No remaining args. */
213 if (!opt_check_rest_arg(NULL))
216 if (!opt_md(digestname, &digest))
218 x = load_crl(infile, informat, 1, "CRL");
223 if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
224 CAstore, noCAstore)) == NULL)
226 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
229 ctx = X509_STORE_CTX_new();
230 if (ctx == NULL || !X509_STORE_CTX_init(ctx, store, NULL, NULL)) {
231 BIO_printf(bio_err, "Error initialising X509 store\n");
235 xobj = X509_STORE_CTX_get_obj_by_subject(ctx, X509_LU_X509,
236 X509_CRL_get_issuer(x));
238 BIO_printf(bio_err, "Error getting CRL issuer certificate\n");
241 pkey = X509_get_pubkey(X509_OBJECT_get0_X509(xobj));
242 X509_OBJECT_free(xobj);
244 BIO_printf(bio_err, "Error getting CRL issuer public key\n");
247 i = X509_CRL_verify(x, pkey);
252 BIO_printf(bio_err, "verify failure\n");
254 BIO_printf(bio_err, "verify OK\n");
257 if (crldiff != NULL) {
258 X509_CRL *newcrl, *delta;
260 BIO_puts(bio_err, "Missing CRL signing key\n");
263 newcrl = load_crl(crldiff, informat, 0, "other CRL");
266 pkey = load_key(keyfile, keyformat, 0, NULL, NULL, "CRL signing key");
268 X509_CRL_free(newcrl);
271 delta = X509_CRL_diff(x, newcrl, pkey, digest, 0);
272 X509_CRL_free(newcrl);
278 BIO_puts(bio_err, "Error creating delta CRL\n");
284 const ASN1_BIT_STRING *sig;
286 X509_CRL_get0_signature(x, &sig, NULL);
287 corrupt_signature(sig);
291 for (i = 1; i <= num; i++) {
293 print_name(bio_out, "issuer=", X509_CRL_get_issuer(x));
295 if (crlnumber == i) {
296 ASN1_INTEGER *crlnum;
298 crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number, NULL, NULL);
299 BIO_printf(bio_out, "crlNumber=");
301 BIO_puts(bio_out, "0x");
302 i2a_ASN1_INTEGER(bio_out, crlnum);
303 ASN1_INTEGER_free(crlnum);
305 BIO_puts(bio_out, "<NONE>");
307 BIO_printf(bio_out, "\n");
311 unsigned long hash_value =
312 X509_NAME_hash_ex(X509_CRL_get_issuer(x), app_get0_libctx(),
313 app_get0_propq(), &ok);
316 BIO_printf(bio_out, "issuer name hash=");
318 BIO_printf(bio_out, "%08lx\n", hash_value);
320 BIO_puts(bio_out, "<ERROR>");
324 #ifndef OPENSSL_NO_MD5
327 BIO_printf(bio_out, "issuer name old hash=");
328 BIO_printf(bio_out, "%08lx\n",
329 X509_NAME_hash_old(X509_CRL_get_issuer(x)));
332 if (lastupdate == i) {
333 BIO_printf(bio_out, "lastUpdate=");
334 ASN1_TIME_print_ex(bio_out, X509_CRL_get0_lastUpdate(x), dateopt);
335 BIO_printf(bio_out, "\n");
337 if (nextupdate == i) {
338 BIO_printf(bio_out, "nextUpdate=");
339 if (X509_CRL_get0_nextUpdate(x))
340 ASN1_TIME_print_ex(bio_out, X509_CRL_get0_nextUpdate(x), dateopt);
342 BIO_printf(bio_out, "NONE");
343 BIO_printf(bio_out, "\n");
345 if (fingerprint == i) {
348 unsigned char md[EVP_MAX_MD_SIZE];
350 if (!X509_CRL_digest(x, digest, md, &n)) {
351 BIO_printf(bio_err, "out of memory\n");
354 BIO_printf(bio_out, "%s Fingerprint=",
355 EVP_MD_get0_name(digest));
356 for (j = 0; j < (int)n; j++) {
357 BIO_printf(bio_out, "%02X%c", md[j], (j + 1 == (int)n)
363 out = bio_open_default(outfile, 'w', outformat);
368 X509_CRL_print_ex(out, x, get_nameopt());
375 if (outformat == FORMAT_ASN1)
376 i = (int)i2d_X509_CRL_bio(out, x);
378 i = PEM_write_bio_X509_CRL(out, x);
380 BIO_printf(bio_err, "unable to write CRL\n");
387 ERR_print_errors(bio_err);
391 X509_STORE_CTX_free(ctx);
392 X509_STORE_free(store);