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0f113f3e MC |
1 | /* |
2 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
3 | * 2000. | |
5782ceb2 DSH |
4 | */ |
5 | /* ==================================================================== | |
6 | * Copyright (c) 1999 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 | |
0f113f3e | 13 | * notice, this list of conditions and the following disclaimer. |
5782ceb2 DSH |
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 | * licensing@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 | */ | |
85d686e7 | 58 | #ifndef OPENSSL_NO_OCSP |
5782ceb2 | 59 | |
0f113f3e MC |
60 | # ifdef OPENSSL_SYS_VMS |
61 | # define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined | |
62 | * on OpenVMS */ | |
63 | # endif | |
64 | ||
65 | # define USE_SOCKETS | |
66 | ||
67 | # include <stdio.h> | |
68 | # include <stdlib.h> | |
69 | # include <string.h> | |
70 | # include <time.h> | |
71 | # include "apps.h" /* needs to be included before the openssl | |
72 | * headers! */ | |
73 | # include <openssl/e_os2.h> | |
74 | # include <openssl/crypto.h> | |
75 | # include <openssl/err.h> | |
76 | # include <openssl/ssl.h> | |
77 | # include <openssl/evp.h> | |
78 | # include <openssl/bn.h> | |
79 | # include <openssl/x509v3.h> | |
80 | ||
81 | # if defined(NETWARE_CLIB) | |
eef0c1f3 | 82 | # ifdef NETWARE_BSDSOCK |
0f113f3e MC |
83 | # include <sys/socket.h> |
84 | # include <sys/bsdskt.h> | |
eef0c1f3 | 85 | # else |
0f113f3e | 86 | # include <novsock2.h> |
eef0c1f3 | 87 | # endif |
0f113f3e | 88 | # elif defined(NETWARE_LIBC) |
eef0c1f3 | 89 | # ifdef NETWARE_BSDSOCK |
0f113f3e | 90 | # include <sys/select.h> |
eef0c1f3 | 91 | # else |
0f113f3e | 92 | # include <novsock2.h> |
eef0c1f3 | 93 | # endif |
0f113f3e | 94 | # endif |
f1965221 | 95 | |
0f113f3e | 96 | /* Maximum leeway in validity period: default 5 minutes */ |
7e1b7485 | 97 | # define MAX_VALIDITY_PERIOD (5 * 60) |
0f113f3e MC |
98 | |
99 | static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, | |
100 | const EVP_MD *cert_id_md, X509 *issuer, | |
101 | STACK_OF(OCSP_CERTID) *ids); | |
102 | static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, | |
103 | const EVP_MD *cert_id_md, X509 *issuer, | |
104 | STACK_OF(OCSP_CERTID) *ids); | |
7e1b7485 | 105 | static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, |
0f113f3e MC |
106 | STACK_OF(OPENSSL_STRING) *names, |
107 | STACK_OF(OCSP_CERTID) *ids, long nsec, | |
108 | long maxage); | |
7e1b7485 | 109 | static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, |
0f113f3e MC |
110 | CA_DB *db, X509 *ca, X509 *rcert, |
111 | EVP_PKEY *rkey, const EVP_MD *md, | |
112 | STACK_OF(X509) *rother, unsigned long flags, | |
113 | int nmin, int ndays, int badsig); | |
ee306a13 | 114 | |
f85b68cd | 115 | static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser); |
c45a48c1 | 116 | static BIO *init_responder(const char *port); |
0f113f3e MC |
117 | static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, |
118 | const char *port); | |
ee306a13 | 119 | static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); |
7e1b7485 | 120 | static OCSP_RESPONSE *query_responder(BIO *cbio, const char *path, |
0f113f3e MC |
121 | const STACK_OF(CONF_VALUE) *headers, |
122 | OCSP_REQUEST *req, int req_timeout); | |
ee306a13 | 123 | |
7e1b7485 RS |
124 | typedef enum OPTION_choice { |
125 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
126 | OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT, | |
127 | OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE, | |
128 | OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS, | |
129 | OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN, | |
130 | OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER, | |
131 | OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT, | |
132 | OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER, | |
133 | OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, | |
134 | OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT, | |
c6724060 | 135 | OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL, |
7e1b7485 RS |
136 | OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER, |
137 | OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_HEADER, | |
138 | OPT_V_ENUM, | |
139 | OPT_MD | |
140 | } OPTION_CHOICE; | |
141 | ||
142 | OPTIONS ocsp_options[] = { | |
143 | {"help", OPT_HELP, '-', "Display this summary"}, | |
144 | {"out", OPT_OUTFILE, '>', "Output filename"}, | |
145 | {"timeout", OPT_TIMEOUT, 'p'}, | |
146 | {"url", OPT_URL, 's', "Responder URL"}, | |
147 | {"host", OPT_HOST, 's', "host:prot top to connect to"}, | |
148 | {"port", OPT_PORT, 'p', "Port to run responder on"}, | |
149 | {"ignore_err", OPT_IGNORE_ERR, '-'}, | |
150 | {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"}, | |
151 | {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"}, | |
152 | {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"}, | |
153 | {"resp_no_certs", OPT_RESP_NO_CERTS, '-', | |
154 | "Don't include any certificates in response"}, | |
155 | {"resp_key_id", OPT_RESP_KEY_ID, '-', | |
156 | "Identify reponse by signing certificate key ID"}, | |
157 | {"no_certs", OPT_NO_CERTS, '-', | |
158 | "Don't include any certificates in signed request"}, | |
159 | {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-', | |
160 | "Don't check signature on response"}, | |
161 | {"no_cert_verify", OPT_NO_CERT_VERIFY, '-', | |
162 | "Don't check signing certificate"}, | |
163 | {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"}, | |
164 | {"no_cert_checks", OPT_NO_CERT_CHECKS, '-', | |
165 | "Don't do additional checks on signing certificate"}, | |
166 | {"no_explicit", OPT_NO_EXPLICIT, '-'}, | |
167 | {"trust_other", OPT_TRUST_OTHER, '-', | |
168 | "Don't verify additional certificates"}, | |
169 | {"no_intern", OPT_NO_INTERN, '-', | |
170 | "Don't search certificates contained in response for signer"}, | |
171 | {"badsig", OPT_BADSIG, '-'}, | |
172 | {"text", OPT_TEXT, '-', "Print text form of request and response"}, | |
173 | {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"}, | |
174 | {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"}, | |
175 | {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"}, | |
176 | {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"}, | |
177 | {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"}, | |
178 | {"VAfile", OPT_VAFILE, '<', "Validator certificates file"}, | |
179 | {"sign_other", OPT_SIGN_OTHER, '<', | |
180 | "Additional certificates to include in signed request"}, | |
181 | {"verify_other", OPT_VERIFY_OTHER, '<', | |
182 | "Additional certificates to search for signer"}, | |
183 | {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"}, | |
184 | {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"}, | |
185 | {"validity_period", OPT_VALIDITY_PERIOD, 'u', | |
186 | "Maximum validity discrepancy in seconds"}, | |
187 | {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"}, | |
188 | {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"}, | |
189 | {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"}, | |
190 | {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"}, | |
191 | {"path", OPT_PATH, 's', "Path to use in OCSP request"}, | |
c6724060 | 192 | {"issuer", OPT_ISSUER, '<', "Issuer certificate"}, |
7e1b7485 RS |
193 | {"cert", OPT_CERT, '<', "Certificate to check"}, |
194 | {"serial", OPT_SERIAL, 's', "Nerial number to check"}, | |
195 | {"index", OPT_INDEX, '<', "Certificate status index file"}, | |
196 | {"CA", OPT_CA, '<', "CA certificate"}, | |
197 | {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"}, | |
198 | {"nrequest", OPT_REQUEST, 'p', | |
199 | "Number of requests to accept (default unlimited)"}, | |
200 | {"ndays", OPT_NDAYS, 'p', "Number of days before next update"}, | |
201 | {"rsigner", OPT_RSIGNER, '<', | |
202 | "Sesponder certificate to sign responses with"}, | |
203 | {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"}, | |
204 | {"rother", OPT_ROTHER, '<', "Other certificates to include in response"}, | |
205 | {"rmd", OPT_RMD, 's'}, | |
206 | {"header", OPT_HEADER, 's', "key=value header to add"}, | |
207 | {"", OPT_MD, '-', "Any supported digest"}, | |
208 | OPT_V_OPTIONS, | |
209 | {NULL} | |
210 | }; | |
211 | ||
212 | int ocsp_main(int argc, char **argv) | |
0f113f3e | 213 | { |
7e1b7485 RS |
214 | BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL; |
215 | const EVP_MD *cert_id_md = NULL, *rsign_md = NULL; | |
216 | CA_DB *rdb = NULL; | |
217 | EVP_PKEY *key = NULL, *rkey = NULL; | |
218 | OCSP_BASICRESP *bs = NULL; | |
0f113f3e MC |
219 | OCSP_REQUEST *req = NULL; |
220 | OCSP_RESPONSE *resp = NULL; | |
7e1b7485 RS |
221 | STACK_OF(CONF_VALUE) *headers = NULL; |
222 | STACK_OF(OCSP_CERTID) *ids = NULL; | |
223 | STACK_OF(OPENSSL_STRING) *reqnames = NULL; | |
224 | STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL; | |
88806cfc | 225 | STACK_OF(X509) *issuers = NULL; |
7e1b7485 | 226 | X509 *issuer = NULL, *cert = NULL, *rca_cert = NULL; |
0f113f3e | 227 | X509 *signer = NULL, *rsigner = NULL; |
0f113f3e MC |
228 | X509_STORE *store = NULL; |
229 | X509_VERIFY_PARAM *vpm = NULL; | |
7e1b7485 RS |
230 | char *CAfile = NULL, *CApath = NULL, *header, *value; |
231 | char *host = NULL, *port = NULL, *path = "/", *outfile = NULL; | |
232 | char *rca_filename = NULL, *reqin = NULL, *respin = NULL; | |
233 | char *reqout = NULL, *respout = NULL, *ridx_filename = NULL; | |
234 | char *rsignfile = NULL, *rkeyfile = NULL; | |
0f113f3e | 235 | char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL; |
7e1b7485 RS |
236 | char *signfile = NULL, *keyfile = NULL; |
237 | char *thost = NULL, *tport = NULL, *tpath = NULL; | |
238 | int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1; | |
239 | int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1; | |
240 | int req_text = 0, resp_text = 0, req_timeout = -1, ret = 1; | |
241 | long nsec = MAX_VALIDITY_PERIOD, maxage = -1; | |
0f113f3e | 242 | unsigned long sign_flags = 0, verify_flags = 0, rflags = 0; |
7e1b7485 RS |
243 | OPTION_CHOICE o; |
244 | char *prog; | |
0f113f3e | 245 | |
0f113f3e | 246 | reqnames = sk_OPENSSL_STRING_new_null(); |
7e1b7485 RS |
247 | if (!reqnames) |
248 | goto end; | |
0f113f3e | 249 | ids = sk_OCSP_CERTID_new_null(); |
7e1b7485 RS |
250 | if (!ids) |
251 | goto end; | |
252 | if ((vpm = X509_VERIFY_PARAM_new()) == NULL) | |
253 | return 1; | |
254 | ||
255 | prog = opt_init(argc, argv, ocsp_options); | |
256 | while ((o = opt_next()) != OPT_EOF) { | |
257 | switch (o) { | |
258 | case OPT_EOF: | |
259 | case OPT_ERR: | |
260 | opthelp: | |
261 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
262 | goto end; | |
263 | case OPT_HELP: | |
264 | ret = 0; | |
265 | opt_help(ocsp_options); | |
266 | goto end; | |
267 | case OPT_OUTFILE: | |
268 | outfile = opt_arg(); | |
269 | break; | |
270 | case OPT_TIMEOUT: | |
271 | req_timeout = atoi(opt_arg()); | |
272 | break; | |
273 | case OPT_URL: | |
0f113f3e MC |
274 | if (thost) |
275 | OPENSSL_free(thost); | |
276 | if (tport) | |
277 | OPENSSL_free(tport); | |
278 | if (tpath) | |
279 | OPENSSL_free(tpath); | |
7e1b7485 RS |
280 | if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) { |
281 | BIO_printf(bio_err, "%s Error parsing URL\n", prog); | |
282 | goto end; | |
283 | } | |
284 | thost = host; | |
285 | tport = port; | |
286 | tpath = path; | |
287 | break; | |
288 | case OPT_HOST: | |
289 | host = opt_arg(); | |
290 | break; | |
291 | case OPT_PORT: | |
292 | port = opt_arg(); | |
293 | break; | |
294 | case OPT_IGNORE_ERR: | |
0f113f3e | 295 | ignore_err = 1; |
7e1b7485 RS |
296 | break; |
297 | case OPT_NOVERIFY: | |
0f113f3e | 298 | noverify = 1; |
7e1b7485 RS |
299 | break; |
300 | case OPT_NONCE: | |
0f113f3e | 301 | add_nonce = 2; |
7e1b7485 RS |
302 | break; |
303 | case OPT_NO_NONCE: | |
0f113f3e | 304 | add_nonce = 0; |
7e1b7485 RS |
305 | break; |
306 | case OPT_RESP_NO_CERTS: | |
0f113f3e | 307 | rflags |= OCSP_NOCERTS; |
7e1b7485 RS |
308 | break; |
309 | case OPT_RESP_KEY_ID: | |
0f113f3e | 310 | rflags |= OCSP_RESPID_KEY; |
7e1b7485 RS |
311 | break; |
312 | case OPT_NO_CERTS: | |
0f113f3e | 313 | sign_flags |= OCSP_NOCERTS; |
7e1b7485 RS |
314 | break; |
315 | case OPT_NO_SIGNATURE_VERIFY: | |
0f113f3e | 316 | verify_flags |= OCSP_NOSIGS; |
7e1b7485 RS |
317 | break; |
318 | case OPT_NO_CERT_VERIFY: | |
0f113f3e | 319 | verify_flags |= OCSP_NOVERIFY; |
7e1b7485 RS |
320 | break; |
321 | case OPT_NO_CHAIN: | |
0f113f3e | 322 | verify_flags |= OCSP_NOCHAIN; |
7e1b7485 RS |
323 | break; |
324 | case OPT_NO_CERT_CHECKS: | |
0f113f3e | 325 | verify_flags |= OCSP_NOCHECKS; |
7e1b7485 RS |
326 | break; |
327 | case OPT_NO_EXPLICIT: | |
0f113f3e | 328 | verify_flags |= OCSP_NOEXPLICIT; |
7e1b7485 RS |
329 | break; |
330 | case OPT_TRUST_OTHER: | |
0f113f3e | 331 | verify_flags |= OCSP_TRUSTOTHER; |
7e1b7485 RS |
332 | break; |
333 | case OPT_NO_INTERN: | |
0f113f3e | 334 | verify_flags |= OCSP_NOINTERN; |
7e1b7485 RS |
335 | break; |
336 | case OPT_BADSIG: | |
0f113f3e | 337 | badsig = 1; |
7e1b7485 RS |
338 | break; |
339 | case OPT_TEXT: | |
340 | req_text = resp_text = 1; | |
341 | break; | |
342 | case OPT_REQ_TEXT: | |
0f113f3e | 343 | req_text = 1; |
7e1b7485 RS |
344 | break; |
345 | case OPT_RESP_TEXT: | |
0f113f3e | 346 | resp_text = 1; |
7e1b7485 RS |
347 | break; |
348 | case OPT_REQIN: | |
349 | reqin = opt_arg(); | |
350 | break; | |
351 | case OPT_RESPIN: | |
352 | respin = opt_arg(); | |
353 | break; | |
354 | case OPT_SIGNER: | |
355 | signfile = opt_arg(); | |
356 | break; | |
357 | case OPT_VAFILE: | |
358 | verify_certfile = opt_arg(); | |
359 | verify_flags |= OCSP_TRUSTOTHER; | |
360 | break; | |
361 | case OPT_SIGN_OTHER: | |
362 | sign_certfile = opt_arg(); | |
363 | break; | |
364 | case OPT_VERIFY_OTHER: | |
365 | verify_certfile = opt_arg(); | |
366 | break; | |
367 | case OPT_CAFILE: | |
368 | CAfile = opt_arg(); | |
369 | break; | |
370 | case OPT_CAPATH: | |
371 | CApath = opt_arg(); | |
372 | break; | |
373 | case OPT_V_CASES: | |
374 | if (!opt_verify(o, vpm)) | |
0f113f3e | 375 | goto end; |
7e1b7485 RS |
376 | vpmtouched++; |
377 | break; | |
378 | case OPT_VALIDITY_PERIOD: | |
379 | opt_long(opt_arg(), &nsec); | |
380 | break; | |
381 | case OPT_STATUS_AGE: | |
382 | opt_long(opt_arg(), &maxage); | |
383 | break; | |
384 | case OPT_SIGNKEY: | |
385 | keyfile = opt_arg(); | |
386 | break; | |
387 | case OPT_REQOUT: | |
388 | reqout = opt_arg(); | |
389 | break; | |
390 | case OPT_RESPOUT: | |
391 | respout = opt_arg(); | |
392 | break; | |
393 | case OPT_PATH: | |
394 | path = opt_arg(); | |
395 | break; | |
c6724060 RS |
396 | case OPT_ISSUER: |
397 | X509_free(issuer); | |
398 | issuer = load_cert(opt_arg(), FORMAT_PEM, | |
399 | NULL, NULL, "issuer certificate"); | |
400 | if (issuer == NULL) | |
401 | goto end; | |
402 | if ((issuers = sk_X509_new_null()) == NULL) | |
403 | goto end; | |
404 | sk_X509_push(issuers, issuer); | |
405 | break; | |
7e1b7485 RS |
406 | case OPT_CERT: |
407 | X509_free(cert); | |
408 | cert = load_cert(opt_arg(), FORMAT_PEM, | |
409 | NULL, NULL, "certificate"); | |
410 | if (cert == NULL) | |
411 | goto end; | |
412 | if (cert_id_md == NULL) | |
413 | cert_id_md = EVP_sha1(); | |
414 | if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids)) | |
415 | goto end; | |
416 | if (!sk_OPENSSL_STRING_push(reqnames, opt_arg())) | |
417 | goto end; | |
418 | break; | |
419 | case OPT_SERIAL: | |
420 | if (cert_id_md == NULL) | |
421 | cert_id_md = EVP_sha1(); | |
422 | if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids)) | |
423 | goto end; | |
424 | if (!sk_OPENSSL_STRING_push(reqnames, opt_arg())) | |
425 | goto end; | |
426 | break; | |
427 | case OPT_INDEX: | |
428 | ridx_filename = opt_arg(); | |
429 | break; | |
430 | case OPT_CA: | |
431 | rca_filename = opt_arg(); | |
432 | break; | |
433 | case OPT_NMIN: | |
434 | opt_int(opt_arg(), &nmin); | |
0f113f3e MC |
435 | if (ndays == -1) |
436 | ndays = 0; | |
7e1b7485 RS |
437 | break; |
438 | case OPT_REQUEST: | |
439 | opt_int(opt_arg(), &accept_count); | |
440 | break; | |
441 | case OPT_NDAYS: | |
442 | ndays = atoi(opt_arg()); | |
443 | break; | |
444 | case OPT_RSIGNER: | |
445 | rsignfile = opt_arg(); | |
446 | break; | |
447 | case OPT_RKEY: | |
448 | rkeyfile = opt_arg(); | |
449 | break; | |
450 | case OPT_ROTHER: | |
451 | rcertfile = opt_arg(); | |
452 | break; | |
453 | case OPT_RMD: | |
454 | if (!opt_md(opt_arg(), &rsign_md)) | |
455 | goto end; | |
456 | break; | |
457 | case OPT_HEADER: | |
458 | header = opt_arg(); | |
459 | value = strchr(header, '='); | |
460 | if (value == NULL) { | |
461 | BIO_printf(bio_err, "Missing = in header key=value\n"); | |
462 | goto opthelp; | |
463 | } | |
464 | *value++ = '\0'; | |
465 | if (!X509V3_add_value(header, value, &headers)) | |
466 | goto end; | |
467 | break; | |
468 | case OPT_MD: | |
469 | if (cert_id_md != NULL) { | |
470 | BIO_printf(bio_err, | |
471 | "%s: Digest must be before -cert or -serial\n", | |
472 | prog); | |
473 | goto opthelp; | |
474 | } | |
475 | if (!opt_md(opt_unknown(), &cert_id_md)) | |
476 | goto opthelp; | |
477 | break; | |
0f113f3e | 478 | } |
0f113f3e | 479 | } |
7e1b7485 RS |
480 | argc = opt_num_rest(); |
481 | argv = opt_rest(); | |
0f113f3e MC |
482 | |
483 | /* Have we anything to do? */ | |
484 | if (!req && !reqin && !respin && !(port && ridx_filename)) | |
7e1b7485 | 485 | goto opthelp; |
0f113f3e | 486 | |
7e1b7485 RS |
487 | out = bio_open_default(outfile, "w"); |
488 | if (out == NULL) | |
0f113f3e | 489 | goto end; |
0f113f3e MC |
490 | |
491 | if (!req && (add_nonce != 2)) | |
492 | add_nonce = 0; | |
493 | ||
494 | if (!req && reqin) { | |
7e1b7485 RS |
495 | derbio = bio_open_default(reqin, "rb"); |
496 | if (derbio == NULL) | |
0f113f3e | 497 | goto end; |
0f113f3e MC |
498 | req = d2i_OCSP_REQUEST_bio(derbio, NULL); |
499 | BIO_free(derbio); | |
500 | if (!req) { | |
501 | BIO_printf(bio_err, "Error reading OCSP request\n"); | |
502 | goto end; | |
503 | } | |
504 | } | |
505 | ||
506 | if (!req && port) { | |
507 | acbio = init_responder(port); | |
508 | if (!acbio) | |
509 | goto end; | |
510 | } | |
511 | ||
512 | if (rsignfile && !rdb) { | |
513 | if (!rkeyfile) | |
514 | rkeyfile = rsignfile; | |
7e1b7485 RS |
515 | rsigner = load_cert(rsignfile, FORMAT_PEM, |
516 | NULL, NULL, "responder certificate"); | |
0f113f3e MC |
517 | if (!rsigner) { |
518 | BIO_printf(bio_err, "Error loading responder certificate\n"); | |
519 | goto end; | |
520 | } | |
7e1b7485 RS |
521 | rca_cert = load_cert(rca_filename, FORMAT_PEM, |
522 | NULL, NULL, "CA certificate"); | |
0f113f3e | 523 | if (rcertfile) { |
7e1b7485 RS |
524 | rother = load_certs(rcertfile, FORMAT_PEM, |
525 | NULL, NULL, "responder other certificates"); | |
0f113f3e MC |
526 | if (!rother) |
527 | goto end; | |
528 | } | |
7e1b7485 | 529 | rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL, |
0f113f3e MC |
530 | "responder private key"); |
531 | if (!rkey) | |
532 | goto end; | |
533 | } | |
534 | if (acbio) | |
535 | BIO_printf(bio_err, "Waiting for OCSP client connections...\n"); | |
536 | ||
537 | redo_accept: | |
538 | ||
539 | if (acbio) { | |
540 | if (!do_responder(&req, &cbio, acbio, port)) | |
541 | goto end; | |
542 | if (!req) { | |
543 | resp = | |
544 | OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, | |
545 | NULL); | |
546 | send_ocsp_response(cbio, resp); | |
547 | goto done_resp; | |
548 | } | |
549 | } | |
550 | ||
551 | if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) { | |
552 | BIO_printf(bio_err, "Need an OCSP request for this operation!\n"); | |
553 | goto end; | |
554 | } | |
555 | ||
556 | if (req && add_nonce) | |
557 | OCSP_request_add1_nonce(req, NULL, -1); | |
558 | ||
559 | if (signfile) { | |
560 | if (!keyfile) | |
561 | keyfile = signfile; | |
7e1b7485 RS |
562 | signer = load_cert(signfile, FORMAT_PEM, |
563 | NULL, NULL, "signer certificate"); | |
0f113f3e MC |
564 | if (!signer) { |
565 | BIO_printf(bio_err, "Error loading signer certificate\n"); | |
566 | goto end; | |
567 | } | |
568 | if (sign_certfile) { | |
7e1b7485 RS |
569 | sign_other = load_certs(sign_certfile, FORMAT_PEM, |
570 | NULL, NULL, "signer certificates"); | |
0f113f3e MC |
571 | if (!sign_other) |
572 | goto end; | |
573 | } | |
7e1b7485 | 574 | key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL, |
0f113f3e MC |
575 | "signer private key"); |
576 | if (!key) | |
577 | goto end; | |
578 | ||
579 | if (!OCSP_request_sign | |
580 | (req, signer, key, NULL, sign_other, sign_flags)) { | |
581 | BIO_printf(bio_err, "Error signing OCSP request\n"); | |
582 | goto end; | |
583 | } | |
584 | } | |
585 | ||
586 | if (req_text && req) | |
587 | OCSP_REQUEST_print(out, req, 0); | |
588 | ||
589 | if (reqout) { | |
7e1b7485 RS |
590 | derbio = bio_open_default(reqout, "wb"); |
591 | if (derbio == NULL) | |
0f113f3e | 592 | goto end; |
0f113f3e MC |
593 | i2d_OCSP_REQUEST_bio(derbio, req); |
594 | BIO_free(derbio); | |
595 | } | |
596 | ||
597 | if (ridx_filename && (!rkey || !rsigner || !rca_cert)) { | |
598 | BIO_printf(bio_err, | |
599 | "Need a responder certificate, key and CA for this operation!\n"); | |
600 | goto end; | |
601 | } | |
602 | ||
603 | if (ridx_filename && !rdb) { | |
604 | rdb = load_index(ridx_filename, NULL); | |
605 | if (!rdb) | |
606 | goto end; | |
607 | if (!index_index(rdb)) | |
608 | goto end; | |
609 | } | |
610 | ||
611 | if (rdb) { | |
7e1b7485 | 612 | make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, |
0f113f3e MC |
613 | rsign_md, rother, rflags, nmin, ndays, badsig); |
614 | if (cbio) | |
615 | send_ocsp_response(cbio, resp); | |
616 | } else if (host) { | |
617 | # ifndef OPENSSL_NO_SOCK | |
7e1b7485 | 618 | resp = process_responder(req, host, path, |
0f113f3e MC |
619 | port, use_ssl, headers, req_timeout); |
620 | if (!resp) | |
621 | goto end; | |
622 | # else | |
623 | BIO_printf(bio_err, | |
624 | "Error creating connect BIO - sockets not supported.\n"); | |
625 | goto end; | |
626 | # endif | |
627 | } else if (respin) { | |
7e1b7485 RS |
628 | derbio = bio_open_default(respin, "rb"); |
629 | if (derbio == NULL) | |
0f113f3e | 630 | goto end; |
0f113f3e MC |
631 | resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); |
632 | BIO_free(derbio); | |
633 | if (!resp) { | |
634 | BIO_printf(bio_err, "Error reading OCSP response\n"); | |
635 | goto end; | |
636 | } | |
0f113f3e MC |
637 | } else { |
638 | ret = 0; | |
639 | goto end; | |
640 | } | |
641 | ||
642 | done_resp: | |
643 | ||
644 | if (respout) { | |
7e1b7485 RS |
645 | derbio = bio_open_default(respout, "wb"); |
646 | if (derbio == NULL) | |
0f113f3e | 647 | goto end; |
0f113f3e MC |
648 | i2d_OCSP_RESPONSE_bio(derbio, resp); |
649 | BIO_free(derbio); | |
650 | } | |
651 | ||
652 | i = OCSP_response_status(resp); | |
0f113f3e MC |
653 | if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) { |
654 | BIO_printf(out, "Responder Error: %s (%d)\n", | |
655 | OCSP_response_status_str(i), i); | |
656 | if (ignore_err) | |
657 | goto redo_accept; | |
658 | ret = 0; | |
659 | goto end; | |
660 | } | |
661 | ||
662 | if (resp_text) | |
663 | OCSP_RESPONSE_print(out, resp, 0); | |
664 | ||
665 | /* If running as responder don't verify our own response */ | |
666 | if (cbio) { | |
7e1b7485 RS |
667 | if (--accept_count <= 0) { |
668 | ret = 0; | |
669 | goto end; | |
0f113f3e | 670 | } |
7e1b7485 RS |
671 | BIO_free_all(cbio); |
672 | cbio = NULL; | |
673 | OCSP_REQUEST_free(req); | |
674 | req = NULL; | |
675 | OCSP_RESPONSE_free(resp); | |
676 | resp = NULL; | |
677 | goto redo_accept; | |
678 | } | |
679 | if (ridx_filename) { | |
0f113f3e MC |
680 | ret = 0; |
681 | goto end; | |
682 | } | |
683 | ||
7e1b7485 RS |
684 | if (!store) { |
685 | store = setup_verify(CAfile, CApath); | |
686 | if (!store) | |
687 | goto end; | |
688 | } | |
689 | if (vpmtouched) | |
0f113f3e MC |
690 | X509_STORE_set1_param(store, vpm); |
691 | if (verify_certfile) { | |
7e1b7485 RS |
692 | verify_other = load_certs(verify_certfile, FORMAT_PEM, |
693 | NULL, NULL, "validator certificate"); | |
0f113f3e MC |
694 | if (!verify_other) |
695 | goto end; | |
696 | } | |
697 | ||
698 | bs = OCSP_response_get1_basic(resp); | |
0f113f3e MC |
699 | if (!bs) { |
700 | BIO_printf(bio_err, "Error parsing response\n"); | |
701 | goto end; | |
702 | } | |
703 | ||
704 | ret = 0; | |
705 | ||
706 | if (!noverify) { | |
707 | if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) { | |
708 | if (i == -1) | |
709 | BIO_printf(bio_err, "WARNING: no nonce in response\n"); | |
710 | else { | |
711 | BIO_printf(bio_err, "Nonce Verify error\n"); | |
712 | ret = 1; | |
713 | goto end; | |
714 | } | |
715 | } | |
716 | ||
717 | i = OCSP_basic_verify(bs, verify_other, store, verify_flags); | |
c6724060 RS |
718 | if (i <= 0 && issuers) { |
719 | i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER); | |
720 | if (i > 0) | |
721 | ERR_clear_error(); | |
722 | } | |
0f113f3e MC |
723 | if (i <= 0) { |
724 | BIO_printf(bio_err, "Response Verify Failure\n"); | |
725 | ERR_print_errors(bio_err); | |
726 | ret = 1; | |
727 | } else | |
728 | BIO_printf(bio_err, "Response verify OK\n"); | |
729 | ||
730 | } | |
731 | ||
7e1b7485 | 732 | print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage); |
0f113f3e MC |
733 | |
734 | end: | |
735 | ERR_print_errors(bio_err); | |
736 | X509_free(signer); | |
737 | X509_STORE_free(store); | |
222561fe | 738 | X509_VERIFY_PARAM_free(vpm); |
0f113f3e MC |
739 | EVP_PKEY_free(key); |
740 | EVP_PKEY_free(rkey); | |
0f113f3e MC |
741 | X509_free(cert); |
742 | X509_free(rsigner); | |
743 | X509_free(rca_cert); | |
744 | free_index(rdb); | |
745 | BIO_free_all(cbio); | |
746 | BIO_free_all(acbio); | |
747 | BIO_free(out); | |
748 | OCSP_REQUEST_free(req); | |
749 | OCSP_RESPONSE_free(resp); | |
750 | OCSP_BASICRESP_free(bs); | |
751 | sk_OPENSSL_STRING_free(reqnames); | |
752 | sk_OCSP_CERTID_free(ids); | |
753 | sk_X509_pop_free(sign_other, X509_free); | |
754 | sk_X509_pop_free(verify_other, X509_free); | |
755 | sk_CONF_VALUE_pop_free(headers, X509V3_conf_free); | |
756 | ||
757 | if (thost) | |
758 | OPENSSL_free(thost); | |
759 | if (tport) | |
760 | OPENSSL_free(tport); | |
761 | if (tpath) | |
762 | OPENSSL_free(tpath); | |
763 | ||
7e1b7485 | 764 | return (ret); |
5782ceb2 DSH |
765 | } |
766 | ||
0f113f3e MC |
767 | static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, |
768 | const EVP_MD *cert_id_md, X509 *issuer, | |
769 | STACK_OF(OCSP_CERTID) *ids) | |
770 | { | |
771 | OCSP_CERTID *id; | |
772 | if (!issuer) { | |
773 | BIO_printf(bio_err, "No issuer certificate specified\n"); | |
774 | return 0; | |
775 | } | |
776 | if (!*req) | |
777 | *req = OCSP_REQUEST_new(); | |
778 | if (!*req) | |
779 | goto err; | |
780 | id = OCSP_cert_to_id(cert_id_md, cert, issuer); | |
781 | if (!id || !sk_OCSP_CERTID_push(ids, id)) | |
782 | goto err; | |
783 | if (!OCSP_request_add0_id(*req, id)) | |
784 | goto err; | |
785 | return 1; | |
786 | ||
787 | err: | |
788 | BIO_printf(bio_err, "Error Creating OCSP request\n"); | |
789 | return 0; | |
790 | } | |
791 | ||
792 | static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, | |
793 | const EVP_MD *cert_id_md, X509 *issuer, | |
794 | STACK_OF(OCSP_CERTID) *ids) | |
795 | { | |
796 | OCSP_CERTID *id; | |
797 | X509_NAME *iname; | |
798 | ASN1_BIT_STRING *ikey; | |
799 | ASN1_INTEGER *sno; | |
800 | if (!issuer) { | |
801 | BIO_printf(bio_err, "No issuer certificate specified\n"); | |
802 | return 0; | |
803 | } | |
804 | if (!*req) | |
805 | *req = OCSP_REQUEST_new(); | |
806 | if (!*req) | |
807 | goto err; | |
808 | iname = X509_get_subject_name(issuer); | |
809 | ikey = X509_get0_pubkey_bitstr(issuer); | |
810 | sno = s2i_ASN1_INTEGER(NULL, serial); | |
811 | if (!sno) { | |
812 | BIO_printf(bio_err, "Error converting serial number %s\n", serial); | |
813 | return 0; | |
814 | } | |
815 | id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno); | |
816 | ASN1_INTEGER_free(sno); | |
817 | if (!id || !sk_OCSP_CERTID_push(ids, id)) | |
818 | goto err; | |
819 | if (!OCSP_request_add0_id(*req, id)) | |
820 | goto err; | |
821 | return 1; | |
822 | ||
823 | err: | |
824 | BIO_printf(bio_err, "Error Creating OCSP request\n"); | |
825 | return 0; | |
826 | } | |
73758d43 | 827 | |
7e1b7485 | 828 | static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, |
0f113f3e MC |
829 | STACK_OF(OPENSSL_STRING) *names, |
830 | STACK_OF(OCSP_CERTID) *ids, long nsec, | |
831 | long maxage) | |
832 | { | |
833 | OCSP_CERTID *id; | |
834 | char *name; | |
7e1b7485 | 835 | int i, status, reason; |
0f113f3e MC |
836 | ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; |
837 | ||
838 | if (!bs || !req || !sk_OPENSSL_STRING_num(names) | |
839 | || !sk_OCSP_CERTID_num(ids)) | |
7e1b7485 | 840 | return; |
0f113f3e MC |
841 | |
842 | for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) { | |
843 | id = sk_OCSP_CERTID_value(ids, i); | |
844 | name = sk_OPENSSL_STRING_value(names, i); | |
845 | BIO_printf(out, "%s: ", name); | |
846 | ||
847 | if (!OCSP_resp_find_status(bs, id, &status, &reason, | |
848 | &rev, &thisupd, &nextupd)) { | |
849 | BIO_puts(out, "ERROR: No Status found.\n"); | |
850 | continue; | |
851 | } | |
852 | ||
853 | /* | |
854 | * Check validity: if invalid write to output BIO so we know which | |
855 | * response this refers to. | |
856 | */ | |
857 | if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) { | |
858 | BIO_puts(out, "WARNING: Status times invalid.\n"); | |
859 | ERR_print_errors(out); | |
860 | } | |
861 | BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); | |
862 | ||
863 | BIO_puts(out, "\tThis Update: "); | |
864 | ASN1_GENERALIZEDTIME_print(out, thisupd); | |
865 | BIO_puts(out, "\n"); | |
866 | ||
867 | if (nextupd) { | |
868 | BIO_puts(out, "\tNext Update: "); | |
869 | ASN1_GENERALIZEDTIME_print(out, nextupd); | |
870 | BIO_puts(out, "\n"); | |
871 | } | |
872 | ||
873 | if (status != V_OCSP_CERTSTATUS_REVOKED) | |
874 | continue; | |
875 | ||
876 | if (reason != -1) | |
877 | BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason)); | |
878 | ||
879 | BIO_puts(out, "\tRevocation Time: "); | |
880 | ASN1_GENERALIZEDTIME_print(out, rev); | |
881 | BIO_puts(out, "\n"); | |
882 | } | |
0f113f3e MC |
883 | } |
884 | ||
7e1b7485 | 885 | static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, |
0f113f3e MC |
886 | CA_DB *db, X509 *ca, X509 *rcert, |
887 | EVP_PKEY *rkey, const EVP_MD *rmd, | |
888 | STACK_OF(X509) *rother, unsigned long flags, | |
889 | int nmin, int ndays, int badsig) | |
890 | { | |
891 | ASN1_TIME *thisupd = NULL, *nextupd = NULL; | |
892 | OCSP_CERTID *cid, *ca_id = NULL; | |
893 | OCSP_BASICRESP *bs = NULL; | |
7e1b7485 | 894 | int i, id_count; |
0f113f3e MC |
895 | |
896 | id_count = OCSP_request_onereq_count(req); | |
897 | ||
898 | if (id_count <= 0) { | |
899 | *resp = | |
900 | OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); | |
901 | goto end; | |
902 | } | |
903 | ||
904 | bs = OCSP_BASICRESP_new(); | |
905 | thisupd = X509_gmtime_adj(NULL, 0); | |
906 | if (ndays != -1) | |
907 | nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24); | |
908 | ||
909 | /* Examine each certificate id in the request */ | |
910 | for (i = 0; i < id_count; i++) { | |
911 | OCSP_ONEREQ *one; | |
912 | ASN1_INTEGER *serial; | |
913 | char **inf; | |
914 | ASN1_OBJECT *cert_id_md_oid; | |
915 | const EVP_MD *cert_id_md; | |
916 | one = OCSP_request_onereq_get0(req, i); | |
917 | cid = OCSP_onereq_get0_id(one); | |
918 | ||
919 | OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid); | |
920 | ||
921 | cert_id_md = EVP_get_digestbyobj(cert_id_md_oid); | |
922 | if (!cert_id_md) { | |
923 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, | |
924 | NULL); | |
925 | goto end; | |
926 | } | |
927 | if (ca_id) | |
928 | OCSP_CERTID_free(ca_id); | |
929 | ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca); | |
930 | ||
931 | /* Is this request about our CA? */ | |
932 | if (OCSP_id_issuer_cmp(ca_id, cid)) { | |
933 | OCSP_basic_add1_status(bs, cid, | |
934 | V_OCSP_CERTSTATUS_UNKNOWN, | |
935 | 0, NULL, thisupd, nextupd); | |
936 | continue; | |
937 | } | |
938 | OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid); | |
939 | inf = lookup_serial(db, serial); | |
940 | if (!inf) | |
941 | OCSP_basic_add1_status(bs, cid, | |
942 | V_OCSP_CERTSTATUS_UNKNOWN, | |
943 | 0, NULL, thisupd, nextupd); | |
944 | else if (inf[DB_type][0] == DB_TYPE_VAL) | |
945 | OCSP_basic_add1_status(bs, cid, | |
946 | V_OCSP_CERTSTATUS_GOOD, | |
947 | 0, NULL, thisupd, nextupd); | |
948 | else if (inf[DB_type][0] == DB_TYPE_REV) { | |
949 | ASN1_OBJECT *inst = NULL; | |
950 | ASN1_TIME *revtm = NULL; | |
951 | ASN1_GENERALIZEDTIME *invtm = NULL; | |
952 | OCSP_SINGLERESP *single; | |
953 | int reason = -1; | |
954 | unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]); | |
955 | single = OCSP_basic_add1_status(bs, cid, | |
956 | V_OCSP_CERTSTATUS_REVOKED, | |
957 | reason, revtm, thisupd, nextupd); | |
958 | if (invtm) | |
959 | OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, | |
960 | invtm, 0, 0); | |
961 | else if (inst) | |
962 | OCSP_SINGLERESP_add1_ext_i2d(single, | |
963 | NID_hold_instruction_code, inst, | |
964 | 0, 0); | |
965 | ASN1_OBJECT_free(inst); | |
966 | ASN1_TIME_free(revtm); | |
967 | ASN1_GENERALIZEDTIME_free(invtm); | |
968 | } | |
969 | } | |
970 | ||
971 | OCSP_copy_nonce(bs, req); | |
972 | ||
973 | OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags); | |
974 | ||
6ef869d7 DSH |
975 | if (badsig) { |
976 | ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs); | |
7e1b7485 | 977 | unsigned char *sigptr = ASN1_STRING_data(sig); |
6ef869d7 DSH |
978 | sigptr[ASN1_STRING_length(sig) - 1] ^= 0x1; |
979 | } | |
0f113f3e MC |
980 | |
981 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); | |
982 | ||
983 | end: | |
984 | ASN1_TIME_free(thisupd); | |
985 | ASN1_TIME_free(nextupd); | |
986 | OCSP_CERTID_free(ca_id); | |
987 | OCSP_BASICRESP_free(bs); | |
0f113f3e | 988 | } |
ee306a13 | 989 | |
f85b68cd | 990 | static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser) |
0f113f3e MC |
991 | { |
992 | int i; | |
993 | BIGNUM *bn = NULL; | |
994 | char *itmp, *row[DB_NUMBER], **rrow; | |
995 | for (i = 0; i < DB_NUMBER; i++) | |
996 | row[i] = NULL; | |
997 | bn = ASN1_INTEGER_to_BN(ser, NULL); | |
998 | OPENSSL_assert(bn); /* FIXME: should report an error at this | |
999 | * point and abort */ | |
1000 | if (BN_is_zero(bn)) | |
1001 | itmp = BUF_strdup("00"); | |
1002 | else | |
1003 | itmp = BN_bn2hex(bn); | |
1004 | row[DB_serial] = itmp; | |
1005 | BN_free(bn); | |
1006 | rrow = TXT_DB_get_by_index(db->db, DB_serial, row); | |
1007 | OPENSSL_free(itmp); | |
1008 | return rrow; | |
1009 | } | |
ee306a13 DSH |
1010 | |
1011 | /* Quick and dirty OCSP server: read in and parse input request */ | |
1012 | ||
c45a48c1 | 1013 | static BIO *init_responder(const char *port) |
0f113f3e MC |
1014 | { |
1015 | BIO *acbio = NULL, *bufbio = NULL; | |
7e1b7485 | 1016 | |
0f113f3e MC |
1017 | bufbio = BIO_new(BIO_f_buffer()); |
1018 | if (!bufbio) | |
1019 | goto err; | |
1020 | # ifndef OPENSSL_NO_SOCK | |
1021 | acbio = BIO_new_accept(port); | |
1022 | # else | |
1023 | BIO_printf(bio_err, | |
1024 | "Error setting up accept BIO - sockets not supported.\n"); | |
1025 | # endif | |
1026 | if (!acbio) | |
1027 | goto err; | |
1028 | BIO_set_accept_bios(acbio, bufbio); | |
1029 | bufbio = NULL; | |
1030 | ||
1031 | if (BIO_do_accept(acbio) <= 0) { | |
1032 | BIO_printf(bio_err, "Error setting up accept BIO\n"); | |
1033 | ERR_print_errors(bio_err); | |
1034 | goto err; | |
1035 | } | |
1036 | ||
1037 | return acbio; | |
1038 | ||
1039 | err: | |
1040 | BIO_free_all(acbio); | |
1041 | BIO_free(bufbio); | |
1042 | return NULL; | |
1043 | } | |
ee306a13 | 1044 | |
995101d6 RS |
1045 | |
1046 | static char *urldecode(char *p) | |
1047 | { | |
1048 | unsigned char *out = (unsigned char *)p; | |
1049 | char *save = p; | |
1050 | ||
1051 | for (; *p; p++) { | |
1052 | if (*p != '%') | |
1053 | *out++ = *p; | |
1054 | else if (p[1] && p[2]) { | |
1055 | *out++ = (app_hex(p[1]) << 4) | app_hex(p[2]); | |
1056 | p += 2; | |
1057 | } | |
1058 | } | |
1059 | *p = '\0'; | |
1060 | return save; | |
1061 | } | |
1062 | ||
c45a48c1 | 1063 | static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, |
0f113f3e MC |
1064 | const char *port) |
1065 | { | |
7e1b7485 | 1066 | int len; |
0f113f3e | 1067 | OCSP_REQUEST *req = NULL; |
7e1b7485 | 1068 | char inbuf[2048]; |
995101d6 RS |
1069 | char *p, *q; |
1070 | BIO *cbio = NULL, *getbio = NULL, *b64 = NULL; | |
0f113f3e MC |
1071 | |
1072 | if (BIO_do_accept(acbio) <= 0) { | |
1073 | BIO_printf(bio_err, "Error accepting connection\n"); | |
1074 | ERR_print_errors(bio_err); | |
1075 | return 0; | |
1076 | } | |
1077 | ||
1078 | cbio = BIO_pop(acbio); | |
1079 | *pcbio = cbio; | |
1080 | ||
7e1b7485 RS |
1081 | /* Read the request line. */ |
1082 | len = BIO_gets(cbio, inbuf, sizeof inbuf); | |
1083 | if (len <= 0) | |
1084 | return 1; | |
995101d6 RS |
1085 | if (strncmp(inbuf, "GET", 3) == 0) { |
1086 | /* Expecting GET {sp} /URL {sp} HTTP/1.x */ | |
1087 | for (p = inbuf + 3; *p == ' ' || *p == '\t'; ++p) | |
1088 | continue; | |
1089 | if (*p) { | |
1090 | /* Move past the slash before the URL part. */ | |
1091 | p++; | |
1092 | } | |
1093 | /* Splice off the HTTP version identifier. */ | |
1094 | for (q = p; *q; q++) | |
1095 | if (*q == ' ' || *q == '\t') | |
1096 | break; | |
1097 | if (*q == '\0') { | |
1098 | BIO_printf(bio_err, "Invalid request\n"); | |
1099 | return 1; | |
1100 | } | |
1101 | *q = '\0'; | |
1102 | p = urldecode(p); | |
1103 | getbio = BIO_new_mem_buf(p, strlen(p)); | |
1104 | b64 = BIO_new(BIO_f_base64()); | |
1105 | BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL); | |
1106 | getbio = BIO_push(b64, getbio); | |
1107 | } else if (strncmp(inbuf, "POST", 4) != 0) { | |
7e1b7485 RS |
1108 | BIO_printf(bio_err, "Invalid request\n"); |
1109 | return 1; | |
1110 | } | |
0f113f3e MC |
1111 | for (;;) { |
1112 | len = BIO_gets(cbio, inbuf, sizeof inbuf); | |
1113 | if (len <= 0) | |
1114 | return 1; | |
0f113f3e MC |
1115 | /* Look for end of headers */ |
1116 | if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) | |
1117 | break; | |
1118 | } | |
1119 | ||
1120 | /* Try to read OCSP request */ | |
995101d6 RS |
1121 | if (getbio) { |
1122 | req = d2i_OCSP_REQUEST_bio(getbio, NULL); | |
1123 | BIO_free_all(getbio); | |
1124 | } else | |
1125 | req = d2i_OCSP_REQUEST_bio(cbio, NULL); | |
0f113f3e MC |
1126 | |
1127 | if (!req) { | |
1128 | BIO_printf(bio_err, "Error parsing OCSP request\n"); | |
1129 | ERR_print_errors(bio_err); | |
1130 | } | |
1131 | ||
1132 | *preq = req; | |
1133 | ||
1134 | return 1; | |
1135 | ||
1136 | } | |
ee306a13 DSH |
1137 | |
1138 | static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) | |
0f113f3e MC |
1139 | { |
1140 | char http_resp[] = | |
1141 | "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" | |
1142 | "Content-Length: %d\r\n\r\n"; | |
1143 | if (!cbio) | |
1144 | return 0; | |
1145 | BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); | |
1146 | i2d_OCSP_RESPONSE_bio(cbio, resp); | |
1147 | (void)BIO_flush(cbio); | |
1148 | return 1; | |
1149 | } | |
ee306a13 | 1150 | |
7e1b7485 | 1151 | static OCSP_RESPONSE *query_responder(BIO *cbio, const char *path, |
0f113f3e MC |
1152 | const STACK_OF(CONF_VALUE) *headers, |
1153 | OCSP_REQUEST *req, int req_timeout) | |
1154 | { | |
1155 | int fd; | |
1156 | int rv; | |
1157 | int i; | |
1158 | OCSP_REQ_CTX *ctx = NULL; | |
1159 | OCSP_RESPONSE *rsp = NULL; | |
1160 | fd_set confds; | |
1161 | struct timeval tv; | |
1162 | ||
1163 | if (req_timeout != -1) | |
1164 | BIO_set_nbio(cbio, 1); | |
1165 | ||
1166 | rv = BIO_do_connect(cbio); | |
1167 | ||
1168 | if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) { | |
7e1b7485 | 1169 | BIO_puts(bio_err, "Error connecting BIO\n"); |
0f113f3e MC |
1170 | return NULL; |
1171 | } | |
1172 | ||
1173 | if (BIO_get_fd(cbio, &fd) <= 0) { | |
7e1b7485 | 1174 | BIO_puts(bio_err, "Can't get connection fd\n"); |
0f113f3e MC |
1175 | goto err; |
1176 | } | |
1177 | ||
1178 | if (req_timeout != -1 && rv <= 0) { | |
1179 | FD_ZERO(&confds); | |
1180 | openssl_fdset(fd, &confds); | |
1181 | tv.tv_usec = 0; | |
1182 | tv.tv_sec = req_timeout; | |
1183 | rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); | |
1184 | if (rv == 0) { | |
7e1b7485 | 1185 | BIO_puts(bio_err, "Timeout on connect\n"); |
0f113f3e MC |
1186 | return NULL; |
1187 | } | |
1188 | } | |
1189 | ||
1190 | ctx = OCSP_sendreq_new(cbio, path, NULL, -1); | |
1191 | if (!ctx) | |
1192 | return NULL; | |
1193 | ||
1194 | for (i = 0; i < sk_CONF_VALUE_num(headers); i++) { | |
1195 | CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i); | |
1196 | if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value)) | |
1197 | goto err; | |
1198 | } | |
1199 | ||
1200 | if (!OCSP_REQ_CTX_set1_req(ctx, req)) | |
1201 | goto err; | |
1202 | ||
1203 | for (;;) { | |
1204 | rv = OCSP_sendreq_nbio(&rsp, ctx); | |
1205 | if (rv != -1) | |
1206 | break; | |
1207 | if (req_timeout == -1) | |
1208 | continue; | |
1209 | FD_ZERO(&confds); | |
1210 | openssl_fdset(fd, &confds); | |
1211 | tv.tv_usec = 0; | |
1212 | tv.tv_sec = req_timeout; | |
1213 | if (BIO_should_read(cbio)) | |
1214 | rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv); | |
1215 | else if (BIO_should_write(cbio)) | |
1216 | rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); | |
1217 | else { | |
7e1b7485 | 1218 | BIO_puts(bio_err, "Unexpected retry condition\n"); |
0f113f3e MC |
1219 | goto err; |
1220 | } | |
1221 | if (rv == 0) { | |
7e1b7485 | 1222 | BIO_puts(bio_err, "Timeout on request\n"); |
0f113f3e MC |
1223 | break; |
1224 | } | |
1225 | if (rv == -1) { | |
7e1b7485 | 1226 | BIO_puts(bio_err, "Select error\n"); |
0f113f3e MC |
1227 | break; |
1228 | } | |
1229 | ||
1230 | } | |
1231 | err: | |
1232 | if (ctx) | |
1233 | OCSP_REQ_CTX_free(ctx); | |
1234 | ||
1235 | return rsp; | |
1236 | } | |
454dbbc5 | 1237 | |
7e1b7485 | 1238 | OCSP_RESPONSE *process_responder(OCSP_REQUEST *req, |
0f113f3e MC |
1239 | const char *host, const char *path, |
1240 | const char *port, int use_ssl, | |
1241 | const STACK_OF(CONF_VALUE) *headers, | |
1242 | int req_timeout) | |
1243 | { | |
1244 | BIO *cbio = NULL; | |
1245 | SSL_CTX *ctx = NULL; | |
1246 | OCSP_RESPONSE *resp = NULL; | |
1247 | cbio = BIO_new_connect(host); | |
1248 | if (!cbio) { | |
7e1b7485 | 1249 | BIO_printf(bio_err, "Error creating connect BIO\n"); |
0f113f3e MC |
1250 | goto end; |
1251 | } | |
1252 | if (port) | |
1253 | BIO_set_conn_port(cbio, port); | |
1254 | if (use_ssl == 1) { | |
1255 | BIO *sbio; | |
1256 | ctx = SSL_CTX_new(SSLv23_client_method()); | |
1257 | if (ctx == NULL) { | |
7e1b7485 | 1258 | BIO_printf(bio_err, "Error creating SSL context.\n"); |
0f113f3e MC |
1259 | goto end; |
1260 | } | |
1261 | SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); | |
1262 | sbio = BIO_new_ssl(ctx, 1); | |
1263 | cbio = BIO_push(sbio, cbio); | |
1264 | } | |
7e1b7485 | 1265 | resp = query_responder(cbio, path, headers, req, req_timeout); |
0f113f3e MC |
1266 | if (!resp) |
1267 | BIO_printf(bio_err, "Error querying OCSP responder\n"); | |
1268 | end: | |
ca3a82c3 | 1269 | BIO_free_all(cbio); |
62adbcee | 1270 | SSL_CTX_free(ctx); |
0f113f3e MC |
1271 | return resp; |
1272 | } | |
67c8e7f4 | 1273 | |
85d686e7 | 1274 | #endif |