xref: /aosp_15_r20/external/boringssl/src/crypto/x509/t_crl.c (revision 8fb009dc861624b67b6cdb62ea21f0f22d0c584b)
1 /* Copyright (C) 1995-1998 Eric Young ([email protected])
2  * All rights reserved.
3  *
4  * This package is an SSL implementation written
5  * by Eric Young ([email protected]).
6  * The implementation was written so as to conform with Netscapes SSL.
7  *
8  * This library is free for commercial and non-commercial use as long as
9  * the following conditions are aheared to.  The following conditions
10  * apply to all code found in this distribution, be it the RC4, RSA,
11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
12  * included with this distribution is covered by the same copyright terms
13  * except that the holder is Tim Hudson ([email protected]).
14  *
15  * Copyright remains Eric Young's, and as such any Copyright notices in
16  * the code are not to be removed.
17  * If this package is used in a product, Eric Young should be given attribution
18  * as the author of the parts of the library used.
19  * This can be in the form of a textual message at program startup or
20  * in documentation (online or textual) provided with the package.
21  *
22  * Redistribution and use in source and binary forms, with or without
23  * modification, are permitted provided that the following conditions
24  * are met:
25  * 1. Redistributions of source code must retain the copyright
26  *    notice, this list of conditions and the following disclaimer.
27  * 2. Redistributions in binary form must reproduce the above copyright
28  *    notice, this list of conditions and the following disclaimer in the
29  *    documentation and/or other materials provided with the distribution.
30  * 3. All advertising materials mentioning features or use of this software
31  *    must display the following acknowledgement:
32  *    "This product includes cryptographic software written by
33  *     Eric Young ([email protected])"
34  *    The word 'cryptographic' can be left out if the rouines from the library
35  *    being used are not cryptographic related :-).
36  * 4. If you include any Windows specific code (or a derivative thereof) from
37  *    the apps directory (application code) you must include an acknowledgement:
38  *    "This product includes software written by Tim Hudson ([email protected])"
39  *
40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50  * SUCH DAMAGE.
51  *
52  * The licence and distribution terms for any publically available version or
53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
54  * copied and put under another distribution licence
55  * [including the GNU Public Licence.] */
56 
57 #include <assert.h>
58 
59 #include <openssl/asn1.h>
60 #include <openssl/err.h>
61 #include <openssl/mem.h>
62 #include <openssl/obj.h>
63 #include <openssl/x509.h>
64 
65 
X509_CRL_print_fp(FILE * fp,X509_CRL * x)66 int X509_CRL_print_fp(FILE *fp, X509_CRL *x) {
67   BIO *b = BIO_new_fp(fp, BIO_NOCLOSE);
68   if (b == NULL) {
69     OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
70     return 0;
71   }
72   int ret = X509_CRL_print(b, x);
73   BIO_free(b);
74   return ret;
75 }
76 
X509_CRL_print(BIO * out,X509_CRL * x)77 int X509_CRL_print(BIO *out, X509_CRL *x) {
78   long version = X509_CRL_get_version(x);
79   assert(X509_CRL_VERSION_1 <= version && version <= X509_CRL_VERSION_2);
80   const X509_ALGOR *sig_alg;
81   const ASN1_BIT_STRING *signature;
82   X509_CRL_get0_signature(x, &signature, &sig_alg);
83   if (BIO_printf(out, "Certificate Revocation List (CRL):\n") <= 0 ||
84       BIO_printf(out, "%8sVersion %ld (0x%lx)\n", "", version + 1,
85                  (unsigned long)version) <= 0 ||
86       // Note this and the other |X509_signature_print| call both print the
87       // outer signature algorithm, rather than printing the inner and outer
88       // ones separately. This matches OpenSSL, though it was probably a bug.
89       !X509_signature_print(out, sig_alg, NULL)) {
90     return 0;
91   }
92 
93   char *issuer = X509_NAME_oneline(X509_CRL_get_issuer(x), NULL, 0);
94   int ok = issuer != NULL && BIO_printf(out, "%8sIssuer: %s\n", "", issuer) > 0;
95   OPENSSL_free(issuer);
96   if (!ok) {
97     return 0;
98   }
99 
100   if (BIO_printf(out, "%8sLast Update: ", "") <= 0 ||
101       !ASN1_TIME_print(out, X509_CRL_get0_lastUpdate(x)) ||
102       BIO_printf(out, "\n%8sNext Update: ", "") <= 0) {
103     return 0;
104   }
105   if (X509_CRL_get0_nextUpdate(x)) {
106     if (!ASN1_TIME_print(out, X509_CRL_get0_nextUpdate(x))) {
107       return 0;
108     }
109   } else {
110     if (BIO_printf(out, "NONE") <= 0) {
111       return 0;
112     }
113   }
114 
115   if (BIO_printf(out, "\n") <= 0 ||
116       !X509V3_extensions_print(out, "CRL extensions",
117                                X509_CRL_get0_extensions(x), 0, 8)) {
118     return 0;
119   }
120 
121   const STACK_OF(X509_REVOKED) *rev = X509_CRL_get_REVOKED(x);
122   if (sk_X509_REVOKED_num(rev) > 0) {
123     if (BIO_printf(out, "Revoked Certificates:\n") <= 0) {
124       return 0;
125     }
126   } else {
127     if (BIO_printf(out, "No Revoked Certificates.\n") <= 0) {
128       return 0;
129     }
130   }
131 
132   for (size_t i = 0; i < sk_X509_REVOKED_num(rev); i++) {
133     const X509_REVOKED *r = sk_X509_REVOKED_value(rev, i);
134     if (BIO_printf(out, "    Serial Number: ") <= 0 ||
135         i2a_ASN1_INTEGER(out, X509_REVOKED_get0_serialNumber(r)) <= 0 ||
136         BIO_printf(out, "\n        Revocation Date: ") <= 0 ||
137         !ASN1_TIME_print(out, X509_REVOKED_get0_revocationDate(r)) ||
138         BIO_printf(out, "\n") <= 0 ||
139         !X509V3_extensions_print(out, "CRL entry extensions",
140                                  X509_REVOKED_get0_extensions(r), 0, 8)) {
141     }
142   }
143 
144   return X509_signature_print(out, sig_alg, signature);
145 }
146