|
1 /* ocsp_srv.c */ |
|
2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL |
|
3 * project 2001. |
|
4 */ |
|
5 /* ==================================================================== |
|
6 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. |
|
7 * |
|
8 * Redistribution and use in source and binary forms, with or without |
|
9 * modification, are permitted provided that the following conditions |
|
10 * are met: |
|
11 * |
|
12 * 1. Redistributions of source code must retain the above copyright |
|
13 * notice, this list of conditions and the following disclaimer. |
|
14 * |
|
15 * 2. Redistributions in binary form must reproduce the above copyright |
|
16 * notice, this list of conditions and the following disclaimer in |
|
17 * the documentation and/or other materials provided with the |
|
18 * distribution. |
|
19 * |
|
20 * 3. All advertising materials mentioning features or use of this |
|
21 * software must display the following acknowledgment: |
|
22 * "This product includes software developed by the OpenSSL Project |
|
23 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
|
24 * |
|
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
|
26 * endorse or promote products derived from this software without |
|
27 * prior written permission. For written permission, please contact |
|
28 * openssl-core@openssl.org. |
|
29 * |
|
30 * 5. Products derived from this software may not be called "OpenSSL" |
|
31 * nor may "OpenSSL" appear in their names without prior written |
|
32 * permission of the OpenSSL Project. |
|
33 * |
|
34 * 6. Redistributions of any form whatsoever must retain the following |
|
35 * acknowledgment: |
|
36 * "This product includes software developed by the OpenSSL Project |
|
37 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
|
38 * |
|
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
|
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
|
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
|
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
|
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
|
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
|
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
|
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
|
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
|
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
|
50 * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
51 * ==================================================================== |
|
52 * |
|
53 * This product includes cryptographic software written by Eric Young |
|
54 * (eay@cryptsoft.com). This product includes software written by Tim |
|
55 * Hudson (tjh@cryptsoft.com). |
|
56 * |
|
57 */ |
|
58 |
|
59 #include <stdio.h> |
|
60 #include <cryptlib.h> |
|
61 #include <openssl/objects.h> |
|
62 #include <openssl/rand.h> |
|
63 #include <openssl/x509.h> |
|
64 #include <openssl/pem.h> |
|
65 #include <openssl/x509v3.h> |
|
66 #include <openssl/ocsp.h> |
|
67 |
|
68 /* Utility functions related to sending OCSP responses and extracting |
|
69 * relevant information from the request. |
|
70 */ |
|
71 |
|
72 EXPORT_C int OCSP_request_onereq_count(OCSP_REQUEST *req) |
|
73 { |
|
74 return sk_OCSP_ONEREQ_num(req->tbsRequest->requestList); |
|
75 } |
|
76 |
|
77 EXPORT_C OCSP_ONEREQ *OCSP_request_onereq_get0(OCSP_REQUEST *req, int i) |
|
78 { |
|
79 return sk_OCSP_ONEREQ_value(req->tbsRequest->requestList, i); |
|
80 } |
|
81 |
|
82 EXPORT_C OCSP_CERTID *OCSP_onereq_get0_id(OCSP_ONEREQ *one) |
|
83 { |
|
84 return one->reqCert; |
|
85 } |
|
86 |
|
87 EXPORT_C int OCSP_id_get0_info(ASN1_OCTET_STRING **piNameHash, ASN1_OBJECT **pmd, |
|
88 ASN1_OCTET_STRING **pikeyHash, |
|
89 ASN1_INTEGER **pserial, OCSP_CERTID *cid) |
|
90 { |
|
91 if (!cid) return 0; |
|
92 if (pmd) *pmd = cid->hashAlgorithm->algorithm; |
|
93 if(piNameHash) *piNameHash = cid->issuerNameHash; |
|
94 if (pikeyHash) *pikeyHash = cid->issuerKeyHash; |
|
95 if (pserial) *pserial = cid->serialNumber; |
|
96 return 1; |
|
97 } |
|
98 |
|
99 EXPORT_C int OCSP_request_is_signed(OCSP_REQUEST *req) |
|
100 { |
|
101 if(req->optionalSignature) return 1; |
|
102 return 0; |
|
103 } |
|
104 |
|
105 /* Create an OCSP response and encode an optional basic response */ |
|
106 EXPORT_C OCSP_RESPONSE *OCSP_response_create(int status, OCSP_BASICRESP *bs) |
|
107 { |
|
108 OCSP_RESPONSE *rsp = NULL; |
|
109 |
|
110 if (!(rsp = OCSP_RESPONSE_new())) goto err; |
|
111 if (!(ASN1_ENUMERATED_set(rsp->responseStatus, status))) goto err; |
|
112 if (!bs) return rsp; |
|
113 if (!(rsp->responseBytes = OCSP_RESPBYTES_new())) goto err; |
|
114 rsp->responseBytes->responseType = OBJ_nid2obj(NID_id_pkix_OCSP_basic); |
|
115 if (!ASN1_item_pack(bs, ASN1_ITEM_rptr(OCSP_BASICRESP), &rsp->responseBytes->response)) |
|
116 goto err; |
|
117 return rsp; |
|
118 err: |
|
119 if (rsp) OCSP_RESPONSE_free(rsp); |
|
120 return NULL; |
|
121 } |
|
122 |
|
123 |
|
124 EXPORT_C OCSP_SINGLERESP *OCSP_basic_add1_status(OCSP_BASICRESP *rsp, |
|
125 OCSP_CERTID *cid, |
|
126 int status, int reason, |
|
127 ASN1_TIME *revtime, |
|
128 ASN1_TIME *thisupd, ASN1_TIME *nextupd) |
|
129 { |
|
130 OCSP_SINGLERESP *single = NULL; |
|
131 OCSP_CERTSTATUS *cs; |
|
132 OCSP_REVOKEDINFO *ri; |
|
133 |
|
134 if(!rsp->tbsResponseData->responses && |
|
135 !(rsp->tbsResponseData->responses = sk_OCSP_SINGLERESP_new_null())) |
|
136 goto err; |
|
137 |
|
138 if (!(single = OCSP_SINGLERESP_new())) |
|
139 goto err; |
|
140 |
|
141 |
|
142 |
|
143 if (!ASN1_TIME_to_generalizedtime(thisupd, &single->thisUpdate)) |
|
144 goto err; |
|
145 if (nextupd && |
|
146 !ASN1_TIME_to_generalizedtime(nextupd, &single->nextUpdate)) |
|
147 goto err; |
|
148 |
|
149 OCSP_CERTID_free(single->certId); |
|
150 |
|
151 if(!(single->certId = OCSP_CERTID_dup(cid))) |
|
152 goto err; |
|
153 |
|
154 cs = single->certStatus; |
|
155 switch(cs->type = status) |
|
156 { |
|
157 case V_OCSP_CERTSTATUS_REVOKED: |
|
158 if (!revtime) |
|
159 { |
|
160 OCSPerr(OCSP_F_OCSP_BASIC_ADD1_STATUS,OCSP_R_NO_REVOKED_TIME); |
|
161 goto err; |
|
162 } |
|
163 if (!(cs->value.revoked = ri = OCSP_REVOKEDINFO_new())) goto err; |
|
164 if (!ASN1_TIME_to_generalizedtime(revtime, &ri->revocationTime)) |
|
165 goto err; |
|
166 if (reason != OCSP_REVOKED_STATUS_NOSTATUS) |
|
167 { |
|
168 if (!(ri->revocationReason = ASN1_ENUMERATED_new())) |
|
169 goto err; |
|
170 if (!(ASN1_ENUMERATED_set(ri->revocationReason, |
|
171 reason))) |
|
172 goto err; |
|
173 } |
|
174 break; |
|
175 |
|
176 case V_OCSP_CERTSTATUS_GOOD: |
|
177 cs->value.good = ASN1_NULL_new(); |
|
178 break; |
|
179 |
|
180 case V_OCSP_CERTSTATUS_UNKNOWN: |
|
181 cs->value.unknown = ASN1_NULL_new(); |
|
182 break; |
|
183 |
|
184 default: |
|
185 goto err; |
|
186 |
|
187 } |
|
188 if (!(sk_OCSP_SINGLERESP_push(rsp->tbsResponseData->responses, single))) |
|
189 goto err; |
|
190 return single; |
|
191 err: |
|
192 OCSP_SINGLERESP_free(single); |
|
193 return NULL; |
|
194 } |
|
195 |
|
196 /* Add a certificate to an OCSP request */ |
|
197 |
|
198 EXPORT_C int OCSP_basic_add1_cert(OCSP_BASICRESP *resp, X509 *cert) |
|
199 { |
|
200 if (!resp->certs && !(resp->certs = sk_X509_new_null())) |
|
201 return 0; |
|
202 |
|
203 if(!sk_X509_push(resp->certs, cert)) return 0; |
|
204 CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509); |
|
205 return 1; |
|
206 } |
|
207 |
|
208 EXPORT_C int OCSP_basic_sign(OCSP_BASICRESP *brsp, |
|
209 X509 *signer, EVP_PKEY *key, const EVP_MD *dgst, |
|
210 STACK_OF(X509) *certs, unsigned long flags) |
|
211 { |
|
212 int i; |
|
213 OCSP_RESPID *rid; |
|
214 |
|
215 if (!X509_check_private_key(signer, key)) |
|
216 { |
|
217 OCSPerr(OCSP_F_OCSP_BASIC_SIGN, OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE); |
|
218 goto err; |
|
219 } |
|
220 |
|
221 if(!(flags & OCSP_NOCERTS)) |
|
222 { |
|
223 if(!OCSP_basic_add1_cert(brsp, signer)) |
|
224 goto err; |
|
225 for (i = 0; i < sk_X509_num(certs); i++) |
|
226 { |
|
227 X509 *tmpcert = sk_X509_value(certs, i); |
|
228 if(!OCSP_basic_add1_cert(brsp, tmpcert)) |
|
229 goto err; |
|
230 } |
|
231 } |
|
232 |
|
233 rid = brsp->tbsResponseData->responderId; |
|
234 if (flags & OCSP_RESPID_KEY) |
|
235 { |
|
236 unsigned char md[SHA_DIGEST_LENGTH]; |
|
237 X509_pubkey_digest(signer, EVP_sha1(), md, NULL); |
|
238 if (!(rid->value.byKey = ASN1_OCTET_STRING_new())) |
|
239 goto err; |
|
240 if (!(ASN1_OCTET_STRING_set(rid->value.byKey, md, SHA_DIGEST_LENGTH))) |
|
241 goto err; |
|
242 rid->type = V_OCSP_RESPID_KEY; |
|
243 } |
|
244 else |
|
245 { |
|
246 if (!X509_NAME_set(&rid->value.byName, |
|
247 X509_get_subject_name(signer))) |
|
248 goto err; |
|
249 rid->type = V_OCSP_RESPID_NAME; |
|
250 } |
|
251 |
|
252 if (!(flags & OCSP_NOTIME) && |
|
253 !X509_gmtime_adj(brsp->tbsResponseData->producedAt, 0)) |
|
254 goto err; |
|
255 |
|
256 /* Right now, I think that not doing double hashing is the right |
|
257 thing. -- Richard Levitte */ |
|
258 |
|
259 if (!OCSP_BASICRESP_sign(brsp, key, dgst, 0)) goto err; |
|
260 |
|
261 return 1; |
|
262 err: |
|
263 return 0; |
|
264 } |