1/*
2 * Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
8 */
9
10#include <openssl/bio.h>
11#include <openssl/err.h>
12#include <openssl/ocsp.h>
13#include "ocsp_local.h"
14#include "internal/cryptlib.h"
15#include <openssl/pem.h>
16
17static int ocsp_certid_print(BIO *bp, OCSP_CERTID *a, int indent)
18{
19    BIO_printf(bp, "%*sCertificate ID:\n", indent, "");
20    indent += 2;
21    BIO_printf(bp, "%*sHash Algorithm: ", indent, "");
22    i2a_ASN1_OBJECT(bp, a->hashAlgorithm.algorithm);
23    BIO_printf(bp, "\n%*sIssuer Name Hash: ", indent, "");
24    i2a_ASN1_STRING(bp, &a->issuerNameHash, 0);
25    BIO_printf(bp, "\n%*sIssuer Key Hash: ", indent, "");
26    i2a_ASN1_STRING(bp, &a->issuerKeyHash, 0);
27    BIO_printf(bp, "\n%*sSerial Number: ", indent, "");
28    i2a_ASN1_INTEGER(bp, &a->serialNumber);
29    BIO_printf(bp, "\n");
30    return 1;
31}
32
33typedef struct {
34    long t;
35    const char *m;
36} OCSP_TBLSTR;
37
38static const char *do_table2string(long s, const OCSP_TBLSTR *ts, size_t len)
39{
40    size_t i;
41    for (i = 0; i < len; i++, ts++)
42        if (ts->t == s)
43            return ts->m;
44    return "(UNKNOWN)";
45}
46
47#define table2string(s, tbl) do_table2string(s, tbl, OSSL_NELEM(tbl))
48
49const char *OCSP_response_status_str(long s)
50{
51    static const OCSP_TBLSTR rstat_tbl[] = {
52        {OCSP_RESPONSE_STATUS_SUCCESSFUL, "successful"},
53        {OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, "malformedrequest"},
54        {OCSP_RESPONSE_STATUS_INTERNALERROR, "internalerror"},
55        {OCSP_RESPONSE_STATUS_TRYLATER, "trylater"},
56        {OCSP_RESPONSE_STATUS_SIGREQUIRED, "sigrequired"},
57        {OCSP_RESPONSE_STATUS_UNAUTHORIZED, "unauthorized"}
58    };
59    return table2string(s, rstat_tbl);
60}
61
62const char *OCSP_cert_status_str(long s)
63{
64    static const OCSP_TBLSTR cstat_tbl[] = {
65        {V_OCSP_CERTSTATUS_GOOD, "good"},
66        {V_OCSP_CERTSTATUS_REVOKED, "revoked"},
67        {V_OCSP_CERTSTATUS_UNKNOWN, "unknown"}
68    };
69    return table2string(s, cstat_tbl);
70}
71
72const char *OCSP_crl_reason_str(long s)
73{
74    static const OCSP_TBLSTR reason_tbl[] = {
75        {OCSP_REVOKED_STATUS_UNSPECIFIED, "unspecified"},
76        {OCSP_REVOKED_STATUS_KEYCOMPROMISE, "keyCompromise"},
77        {OCSP_REVOKED_STATUS_CACOMPROMISE, "cACompromise"},
78        {OCSP_REVOKED_STATUS_AFFILIATIONCHANGED, "affiliationChanged"},
79        {OCSP_REVOKED_STATUS_SUPERSEDED, "superseded"},
80        {OCSP_REVOKED_STATUS_CESSATIONOFOPERATION, "cessationOfOperation"},
81        {OCSP_REVOKED_STATUS_CERTIFICATEHOLD, "certificateHold"},
82        {OCSP_REVOKED_STATUS_REMOVEFROMCRL, "removeFromCRL"}
83    };
84    return table2string(s, reason_tbl);
85}
86
87int OCSP_REQUEST_print(BIO *bp, OCSP_REQUEST *o, unsigned long flags)
88{
89    int i;
90    long l;
91    OCSP_CERTID *cid = NULL;
92    OCSP_ONEREQ *one = NULL;
93    OCSP_REQINFO *inf = &o->tbsRequest;
94    OCSP_SIGNATURE *sig = o->optionalSignature;
95
96    if (BIO_write(bp, "OCSP Request Data:\n", 19) <= 0)
97        goto err;
98    l = ASN1_INTEGER_get(inf->version);
99    if (BIO_printf(bp, "    Version: %lu (0x%lx)", l + 1, l) <= 0)
100        goto err;
101    if (inf->requestorName != NULL) {
102        if (BIO_write(bp, "\n    Requestor Name: ", 21) <= 0)
103            goto err;
104        GENERAL_NAME_print(bp, inf->requestorName);
105    }
106    if (BIO_write(bp, "\n    Requestor List:\n", 21) <= 0)
107        goto err;
108    for (i = 0; i < sk_OCSP_ONEREQ_num(inf->requestList); i++) {
109        one = sk_OCSP_ONEREQ_value(inf->requestList, i);
110        cid = one->reqCert;
111        ocsp_certid_print(bp, cid, 8);
112        if (!X509V3_extensions_print(bp,
113                                     "Request Single Extensions",
114                                     one->singleRequestExtensions, flags, 8))
115            goto err;
116    }
117    if (!X509V3_extensions_print(bp, "Request Extensions",
118                                 inf->requestExtensions, flags, 4))
119        goto err;
120    if (sig) {
121        X509_signature_print(bp, &sig->signatureAlgorithm, sig->signature);
122        for (i = 0; i < sk_X509_num(sig->certs); i++) {
123            X509_print(bp, sk_X509_value(sig->certs, i));
124            PEM_write_bio_X509(bp, sk_X509_value(sig->certs, i));
125        }
126    }
127    return 1;
128 err:
129    return 0;
130}
131
132int OCSP_RESPONSE_print(BIO *bp, OCSP_RESPONSE *o, unsigned long flags)
133{
134    int i, ret = 0;
135    long l;
136    OCSP_CERTID *cid = NULL;
137    OCSP_BASICRESP *br = NULL;
138    OCSP_RESPID *rid = NULL;
139    OCSP_RESPDATA *rd = NULL;
140    OCSP_CERTSTATUS *cst = NULL;
141    OCSP_REVOKEDINFO *rev = NULL;
142    OCSP_SINGLERESP *single = NULL;
143    OCSP_RESPBYTES *rb = o->responseBytes;
144
145    if (BIO_puts(bp, "OCSP Response Data:\n") <= 0)
146        goto err;
147    l = ASN1_ENUMERATED_get(o->responseStatus);
148    if (BIO_printf(bp, "    OCSP Response Status: %s (0x%lx)\n",
149                   OCSP_response_status_str(l), l) <= 0)
150        goto err;
151    if (rb == NULL)
152        return 1;
153    if (BIO_puts(bp, "    Response Type: ") <= 0)
154        goto err;
155    if (i2a_ASN1_OBJECT(bp, rb->responseType) <= 0)
156        goto err;
157    if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic) {
158        BIO_puts(bp, " (unknown response type)\n");
159        return 1;
160    }
161
162    if ((br = OCSP_response_get1_basic(o)) == NULL)
163        goto err;
164    rd = &br->tbsResponseData;
165    l = ASN1_INTEGER_get(rd->version);
166    if (BIO_printf(bp, "\n    Version: %lu (0x%lx)\n", l + 1, l) <= 0)
167        goto err;
168    if (BIO_puts(bp, "    Responder Id: ") <= 0)
169        goto err;
170
171    rid = &rd->responderId;
172    switch (rid->type) {
173    case V_OCSP_RESPID_NAME:
174        X509_NAME_print_ex(bp, rid->value.byName, 0, XN_FLAG_ONELINE);
175        break;
176    case V_OCSP_RESPID_KEY:
177        i2a_ASN1_STRING(bp, rid->value.byKey, 0);
178        break;
179    }
180
181    if (BIO_printf(bp, "\n    Produced At: ") <= 0)
182        goto err;
183    if (!ASN1_GENERALIZEDTIME_print(bp, rd->producedAt))
184        goto err;
185    if (BIO_printf(bp, "\n    Responses:\n") <= 0)
186        goto err;
187    for (i = 0; i < sk_OCSP_SINGLERESP_num(rd->responses); i++) {
188        if (!sk_OCSP_SINGLERESP_value(rd->responses, i))
189            continue;
190        single = sk_OCSP_SINGLERESP_value(rd->responses, i);
191        cid = single->certId;
192        if (ocsp_certid_print(bp, cid, 4) <= 0)
193            goto err;
194        cst = single->certStatus;
195        if (BIO_printf(bp, "    Cert Status: %s",
196                       OCSP_cert_status_str(cst->type)) <= 0)
197            goto err;
198        if (cst->type == V_OCSP_CERTSTATUS_REVOKED) {
199            rev = cst->value.revoked;
200            if (BIO_printf(bp, "\n    Revocation Time: ") <= 0)
201                goto err;
202            if (!ASN1_GENERALIZEDTIME_print(bp, rev->revocationTime))
203                goto err;
204            if (rev->revocationReason) {
205                l = ASN1_ENUMERATED_get(rev->revocationReason);
206                if (BIO_printf(bp,
207                               "\n    Revocation Reason: %s (0x%lx)",
208                               OCSP_crl_reason_str(l), l) <= 0)
209                    goto err;
210            }
211        }
212        if (BIO_printf(bp, "\n    This Update: ") <= 0)
213            goto err;
214        if (!ASN1_GENERALIZEDTIME_print(bp, single->thisUpdate))
215            goto err;
216        if (single->nextUpdate) {
217            if (BIO_printf(bp, "\n    Next Update: ") <= 0)
218                goto err;
219            if (!ASN1_GENERALIZEDTIME_print(bp, single->nextUpdate))
220                goto err;
221        }
222        if (BIO_write(bp, "\n", 1) <= 0)
223            goto err;
224        if (!X509V3_extensions_print(bp,
225                                     "Response Single Extensions",
226                                     single->singleExtensions, flags, 8))
227            goto err;
228        if (BIO_write(bp, "\n", 1) <= 0)
229            goto err;
230    }
231    if (!X509V3_extensions_print(bp, "Response Extensions",
232                                 rd->responseExtensions, flags, 4))
233        goto err;
234    if (X509_signature_print(bp, &br->signatureAlgorithm, br->signature) <= 0)
235        goto err;
236
237    for (i = 0; i < sk_X509_num(br->certs); i++) {
238        X509_print(bp, sk_X509_value(br->certs, i));
239        PEM_write_bio_X509(bp, sk_X509_value(br->certs, i));
240    }
241
242    ret = 1;
243 err:
244    OCSP_BASICRESP_free(br);
245    return ret;
246}
247