1 // Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include <assert.h>
16
17 #include <openssl/asn1.h>
18 #include <openssl/err.h>
19 #include <openssl/mem.h>
20 #include <openssl/obj.h>
21 #include <openssl/x509.h>
22
23
X509_CRL_print_fp(FILE * fp,X509_CRL * x)24 int X509_CRL_print_fp(FILE *fp, X509_CRL *x) {
25 BIO *b = BIO_new_fp(fp, BIO_NOCLOSE);
26 if (b == NULL) {
27 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
28 return 0;
29 }
30 int ret = X509_CRL_print(b, x);
31 BIO_free(b);
32 return ret;
33 }
34
X509_CRL_print(BIO * out,X509_CRL * x)35 int X509_CRL_print(BIO *out, X509_CRL *x) {
36 long version = X509_CRL_get_version(x);
37 assert(X509_CRL_VERSION_1 <= version && version <= X509_CRL_VERSION_2);
38 const X509_ALGOR *sig_alg;
39 const ASN1_BIT_STRING *signature;
40 X509_CRL_get0_signature(x, &signature, &sig_alg);
41 if (BIO_printf(out, "Certificate Revocation List (CRL):\n") <= 0 ||
42 BIO_printf(out, "%8sVersion %ld (0x%lx)\n", "", version + 1,
43 (unsigned long)version) <= 0 ||
44 // Note this and the other |X509_signature_print| call both print the
45 // outer signature algorithm, rather than printing the inner and outer
46 // ones separately. This matches OpenSSL, though it was probably a bug.
47 !X509_signature_print(out, sig_alg, NULL)) {
48 return 0;
49 }
50
51 char *issuer = X509_NAME_oneline(X509_CRL_get_issuer(x), NULL, 0);
52 int ok = issuer != NULL && BIO_printf(out, "%8sIssuer: %s\n", "", issuer) > 0;
53 OPENSSL_free(issuer);
54 if (!ok) {
55 return 0;
56 }
57
58 if (BIO_printf(out, "%8sLast Update: ", "") <= 0 ||
59 !ASN1_TIME_print(out, X509_CRL_get0_lastUpdate(x)) ||
60 BIO_printf(out, "\n%8sNext Update: ", "") <= 0) {
61 return 0;
62 }
63 if (X509_CRL_get0_nextUpdate(x)) {
64 if (!ASN1_TIME_print(out, X509_CRL_get0_nextUpdate(x))) {
65 return 0;
66 }
67 } else {
68 if (BIO_printf(out, "NONE") <= 0) {
69 return 0;
70 }
71 }
72
73 if (BIO_printf(out, "\n") <= 0 ||
74 !X509V3_extensions_print(out, "CRL extensions",
75 X509_CRL_get0_extensions(x), 0, 8)) {
76 return 0;
77 }
78
79 const STACK_OF(X509_REVOKED) *rev = X509_CRL_get_REVOKED(x);
80 if (sk_X509_REVOKED_num(rev) > 0) {
81 if (BIO_printf(out, "Revoked Certificates:\n") <= 0) {
82 return 0;
83 }
84 } else {
85 if (BIO_printf(out, "No Revoked Certificates.\n") <= 0) {
86 return 0;
87 }
88 }
89
90 for (size_t i = 0; i < sk_X509_REVOKED_num(rev); i++) {
91 const X509_REVOKED *r = sk_X509_REVOKED_value(rev, i);
92 if (BIO_printf(out, " Serial Number: ") <= 0 ||
93 i2a_ASN1_INTEGER(out, X509_REVOKED_get0_serialNumber(r)) <= 0 ||
94 BIO_printf(out, "\n Revocation Date: ") <= 0 ||
95 !ASN1_TIME_print(out, X509_REVOKED_get0_revocationDate(r)) ||
96 BIO_printf(out, "\n") <= 0 ||
97 !X509V3_extensions_print(out, "CRL entry extensions",
98 X509_REVOKED_get0_extensions(r), 0, 8)) {
99 }
100 }
101
102 return X509_signature_print(out, sig_alg, signature);
103 }
104