2 * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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
10 #include <openssl/opensslconf.h>
12 #ifdef OPENSSL_NO_OCSP
13 NON_EMPTY_TRANSLATION_UNIT
15 # ifdef OPENSSL_SYS_VMS
16 # define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined
28 /* Needs to be included before the openssl headers */
30 # include <openssl/e_os2.h>
31 # include <openssl/crypto.h>
32 # include <openssl/err.h>
33 # include <openssl/ssl.h>
34 # include <openssl/evp.h>
35 # include <openssl/bn.h>
36 # include <openssl/x509v3.h>
38 # if defined(NETWARE_CLIB)
39 # ifdef NETWARE_BSDSOCK
40 # include <sys/socket.h>
41 # include <sys/bsdskt.h>
43 # include <novsock2.h>
45 # elif defined(NETWARE_LIBC)
46 # ifdef NETWARE_BSDSOCK
47 # include <sys/select.h>
49 # include <novsock2.h>
53 /* Maximum leeway in validity period: default 5 minutes */
54 # define MAX_VALIDITY_PERIOD (5 * 60)
56 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
57 const EVP_MD *cert_id_md, X509 *issuer,
58 STACK_OF(OCSP_CERTID) *ids);
59 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
60 const EVP_MD *cert_id_md, X509 *issuer,
61 STACK_OF(OCSP_CERTID) *ids);
62 static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
63 STACK_OF(OPENSSL_STRING) *names,
64 STACK_OF(OCSP_CERTID) *ids, long nsec,
66 static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
67 CA_DB *db, X509 *ca, X509 *rcert,
68 EVP_PKEY *rkey, const EVP_MD *md,
69 STACK_OF(X509) *rother, unsigned long flags,
70 int nmin, int ndays, int badsig);
72 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
73 static BIO *init_responder(const char *port);
74 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio);
75 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
77 # ifndef OPENSSL_NO_SOCK
78 static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
80 const STACK_OF(CONF_VALUE) *headers,
81 OCSP_REQUEST *req, int req_timeout);
84 typedef enum OPTION_choice {
85 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
86 OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
87 OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE,
88 OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS,
89 OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN,
90 OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER,
91 OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT,
92 OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER,
93 OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, OPT_NOCAFILE, OPT_NOCAPATH,
94 OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
95 OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
96 OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
97 OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_HEADER,
102 OPTIONS ocsp_options[] = {
103 {"help", OPT_HELP, '-', "Display this summary"},
104 {"out", OPT_OUTFILE, '>', "Output filename"},
105 {"timeout", OPT_TIMEOUT, 'p',
106 "Connection timeout (in seconds) to the OCSP responder"},
107 {"url", OPT_URL, 's', "Responder URL"},
108 {"host", OPT_HOST, 's', "host:prot top to connect to"},
109 {"port", OPT_PORT, 'p', "Port to run responder on"},
110 {"ignore_err", OPT_IGNORE_ERR, '-'},
111 {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
112 {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
113 {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
114 {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
115 "Don't include any certificates in response"},
116 {"resp_key_id", OPT_RESP_KEY_ID, '-',
117 "Identify reponse by signing certificate key ID"},
118 {"no_certs", OPT_NO_CERTS, '-',
119 "Don't include any certificates in signed request"},
120 {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
121 "Don't check signature on response"},
122 {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
123 "Don't check signing certificate"},
124 {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
125 {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
126 "Don't do additional checks on signing certificate"},
127 {"no_explicit", OPT_NO_EXPLICIT, '-'},
128 {"trust_other", OPT_TRUST_OTHER, '-',
129 "Don't verify additional certificates"},
130 {"no_intern", OPT_NO_INTERN, '-',
131 "Don't search certificates contained in response for signer"},
132 {"badsig", OPT_BADSIG, '-',
133 "Corrupt last byte of loaded OSCP response signature (for test)"},
134 {"text", OPT_TEXT, '-', "Print text form of request and response"},
135 {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
136 {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
137 {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
138 {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
139 {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
140 {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
141 {"sign_other", OPT_SIGN_OTHER, '<',
142 "Additional certificates to include in signed request"},
143 {"verify_other", OPT_VERIFY_OTHER, '<',
144 "Additional certificates to search for signer"},
145 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
146 {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
147 {"no-CAfile", OPT_NOCAFILE, '-',
148 "Do not load the default certificates file"},
149 {"no-CApath", OPT_NOCAPATH, '-',
150 "Do not load certificates from the default certificates directory"},
151 {"validity_period", OPT_VALIDITY_PERIOD, 'u',
152 "Maximum validity discrepancy in seconds"},
153 {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
154 {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
155 {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
156 {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
157 {"path", OPT_PATH, 's', "Path to use in OCSP request"},
158 {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
159 {"cert", OPT_CERT, '<', "Certificate to check"},
160 {"serial", OPT_SERIAL, 's', "Serial number to check"},
161 {"index", OPT_INDEX, '<', "Certificate status index file"},
162 {"CA", OPT_CA, '<', "CA certificate"},
163 {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
164 {"nrequest", OPT_REQUEST, 'p',
165 "Number of requests to accept (default unlimited)"},
166 {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
167 {"rsigner", OPT_RSIGNER, '<',
168 "Responder certificate to sign responses with"},
169 {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
170 {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
171 {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"},
172 {"header", OPT_HEADER, 's', "key=value header to add"},
173 {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
178 int ocsp_main(int argc, char **argv)
180 BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
181 const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
184 EVP_PKEY *key = NULL, *rkey = NULL;
185 OCSP_BASICRESP *bs = NULL;
186 OCSP_REQUEST *req = NULL;
187 OCSP_RESPONSE *resp = NULL;
188 STACK_OF(CONF_VALUE) *headers = NULL;
189 STACK_OF(OCSP_CERTID) *ids = NULL;
190 STACK_OF(OPENSSL_STRING) *reqnames = NULL;
191 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
192 STACK_OF(X509) *issuers = NULL;
193 X509 *issuer = NULL, *cert = NULL, *rca_cert = NULL;
194 X509 *signer = NULL, *rsigner = NULL;
195 X509_STORE *store = NULL;
196 X509_VERIFY_PARAM *vpm = NULL;
197 char *CAfile = NULL, *CApath = NULL, *header, *value;
198 char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
199 char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
200 char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
201 char *rsignfile = NULL, *rkeyfile = NULL;
202 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
203 char *signfile = NULL, *keyfile = NULL;
204 char *thost = NULL, *tport = NULL, *tpath = NULL;
205 int noCAfile = 0, noCApath = 0;
206 int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
207 int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
208 int req_text = 0, resp_text = 0, ret = 1;
209 #ifndef OPENSSL_NO_SOCK
210 int req_timeout = -1;
212 long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
213 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
217 reqnames = sk_OPENSSL_STRING_new_null();
220 ids = sk_OCSP_CERTID_new_null();
223 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
226 prog = opt_init(argc, argv, ocsp_options);
227 while ((o = opt_next()) != OPT_EOF) {
232 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
236 opt_help(ocsp_options);
242 #ifndef OPENSSL_NO_SOCK
243 req_timeout = atoi(opt_arg());
250 thost = tport = tpath = NULL;
251 if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
252 BIO_printf(bio_err, "%s Error parsing URL\n", prog);
277 case OPT_RESP_NO_CERTS:
278 rflags |= OCSP_NOCERTS;
280 case OPT_RESP_KEY_ID:
281 rflags |= OCSP_RESPID_KEY;
284 sign_flags |= OCSP_NOCERTS;
286 case OPT_NO_SIGNATURE_VERIFY:
287 verify_flags |= OCSP_NOSIGS;
289 case OPT_NO_CERT_VERIFY:
290 verify_flags |= OCSP_NOVERIFY;
293 verify_flags |= OCSP_NOCHAIN;
295 case OPT_NO_CERT_CHECKS:
296 verify_flags |= OCSP_NOCHECKS;
298 case OPT_NO_EXPLICIT:
299 verify_flags |= OCSP_NOEXPLICIT;
301 case OPT_TRUST_OTHER:
302 verify_flags |= OCSP_TRUSTOTHER;
305 verify_flags |= OCSP_NOINTERN;
311 req_text = resp_text = 1;
326 signfile = opt_arg();
329 verify_certfile = opt_arg();
330 verify_flags |= OCSP_TRUSTOTHER;
333 sign_certfile = opt_arg();
335 case OPT_VERIFY_OTHER:
336 verify_certfile = opt_arg();
351 if (!opt_verify(o, vpm))
355 case OPT_VALIDITY_PERIOD:
356 opt_long(opt_arg(), &nsec);
359 opt_long(opt_arg(), &maxage);
374 issuer = load_cert(opt_arg(), FORMAT_PEM, "issuer certificate");
377 if (issuers == NULL) {
378 if ((issuers = sk_X509_new_null()) == NULL)
381 sk_X509_push(issuers, issuer);
385 cert = load_cert(opt_arg(), FORMAT_PEM, "certificate");
388 if (cert_id_md == NULL)
389 cert_id_md = EVP_sha1();
390 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
392 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
397 if (cert_id_md == NULL)
398 cert_id_md = EVP_sha1();
399 if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
401 if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
406 ridx_filename = opt_arg();
409 rca_filename = opt_arg();
412 opt_int(opt_arg(), &nmin);
417 opt_int(opt_arg(), &accept_count);
420 ndays = atoi(opt_arg());
423 rsignfile = opt_arg();
426 rkeyfile = opt_arg();
429 rcertfile = opt_arg();
431 case OPT_RMD: /* Response MessageDigest */
432 if (!opt_md(opt_arg(), &rsign_md))
437 value = strchr(header, '=');
439 BIO_printf(bio_err, "Missing = in header key=value\n");
443 if (!X509V3_add_value(header, value, &headers))
449 "%s: Digest must be before -cert or -serial\n",
453 if (!opt_md(opt_unknown(), &cert_id_md))
461 BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
465 argc = opt_num_rest();
469 /* Have we anything to do? */
470 if (!req && !reqin && !respin && !(port && ridx_filename))
473 out = bio_open_default(outfile, 'w', FORMAT_TEXT);
477 if (!req && (add_nonce != 2))
481 derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
484 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
487 BIO_printf(bio_err, "Error reading OCSP request\n");
493 acbio = init_responder(port);
500 rkeyfile = rsignfile;
501 rsigner = load_cert(rsignfile, FORMAT_PEM, "responder certificate");
503 BIO_printf(bio_err, "Error loading responder certificate\n");
506 rca_cert = load_cert(rca_filename, FORMAT_PEM, "CA certificate");
508 if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL,
509 "responder other certificates"))
512 rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL,
513 "responder private key");
518 BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
523 if (!do_responder(&req, &cbio, acbio))
527 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
529 send_ocsp_response(cbio, resp);
534 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) {
535 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
539 if (req && add_nonce)
540 OCSP_request_add1_nonce(req, NULL, -1);
545 signer = load_cert(signfile, FORMAT_PEM, "signer certificate");
547 BIO_printf(bio_err, "Error loading signer certificate\n");
551 if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL,
552 "signer certificates"))
555 key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
556 "signer private key");
560 if (!OCSP_request_sign
561 (req, signer, key, NULL, sign_other, sign_flags)) {
562 BIO_printf(bio_err, "Error signing OCSP request\n");
568 OCSP_REQUEST_print(out, req, 0);
571 derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
574 i2d_OCSP_REQUEST_bio(derbio, req);
578 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) {
580 "Need a responder certificate, key and CA for this operation!\n");
584 if (ridx_filename && !rdb) {
585 rdb = load_index(ridx_filename, NULL);
588 if (!index_index(rdb))
593 make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,
594 rsign_md, rother, rflags, nmin, ndays, badsig);
596 send_ocsp_response(cbio, resp);
598 # ifndef OPENSSL_NO_SOCK
599 resp = process_responder(req, host, path,
600 port, use_ssl, headers, req_timeout);
605 "Error creating connect BIO - sockets not supported.\n");
609 derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
612 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
615 BIO_printf(bio_err, "Error reading OCSP response\n");
626 derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
629 i2d_OCSP_RESPONSE_bio(derbio, resp);
633 i = OCSP_response_status(resp);
634 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
635 BIO_printf(out, "Responder Error: %s (%d)\n",
636 OCSP_response_status_str(i), i);
644 OCSP_RESPONSE_print(out, resp, 0);
646 /* If running as responder don't verify our own response */
648 /* If not unlimited, see if we took all we should. */
649 if (accept_count != -1 && --accept_count <= 0) {
655 OCSP_REQUEST_free(req);
657 OCSP_RESPONSE_free(resp);
667 store = setup_verify(CAfile, CApath, noCAfile, noCApath);
672 X509_STORE_set1_param(store, vpm);
673 if (verify_certfile) {
674 if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL,
675 "validator certificate"))
679 bs = OCSP_response_get1_basic(resp);
681 BIO_printf(bio_err, "Error parsing response\n");
688 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
690 BIO_printf(bio_err, "WARNING: no nonce in response\n");
692 BIO_printf(bio_err, "Nonce Verify error\n");
698 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
699 if (i <= 0 && issuers) {
700 i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
705 BIO_printf(bio_err, "Response Verify Failure\n");
706 ERR_print_errors(bio_err);
709 BIO_printf(bio_err, "Response verify OK\n");
713 print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
716 ERR_print_errors(bio_err);
718 X509_STORE_free(store);
719 X509_VERIFY_PARAM_free(vpm);
723 sk_X509_pop_free(issuers, X509_free);
730 OCSP_REQUEST_free(req);
731 OCSP_RESPONSE_free(resp);
732 OCSP_BASICRESP_free(bs);
733 sk_OPENSSL_STRING_free(reqnames);
734 sk_OCSP_CERTID_free(ids);
735 sk_X509_pop_free(sign_other, X509_free);
736 sk_X509_pop_free(verify_other, X509_free);
737 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
745 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
746 const EVP_MD *cert_id_md, X509 *issuer,
747 STACK_OF(OCSP_CERTID) *ids)
751 BIO_printf(bio_err, "No issuer certificate specified\n");
755 *req = OCSP_REQUEST_new();
758 id = OCSP_cert_to_id(cert_id_md, cert, issuer);
759 if (!id || !sk_OCSP_CERTID_push(ids, id))
761 if (!OCSP_request_add0_id(*req, id))
766 BIO_printf(bio_err, "Error Creating OCSP request\n");
770 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
771 const EVP_MD *cert_id_md, X509 *issuer,
772 STACK_OF(OCSP_CERTID) *ids)
776 ASN1_BIT_STRING *ikey;
779 BIO_printf(bio_err, "No issuer certificate specified\n");
783 *req = OCSP_REQUEST_new();
786 iname = X509_get_subject_name(issuer);
787 ikey = X509_get0_pubkey_bitstr(issuer);
788 sno = s2i_ASN1_INTEGER(NULL, serial);
790 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
793 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
794 ASN1_INTEGER_free(sno);
795 if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
797 if (!OCSP_request_add0_id(*req, id))
802 BIO_printf(bio_err, "Error Creating OCSP request\n");
806 static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
807 STACK_OF(OPENSSL_STRING) *names,
808 STACK_OF(OCSP_CERTID) *ids, long nsec,
813 int i, status, reason;
814 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
816 if (!bs || !req || !sk_OPENSSL_STRING_num(names)
817 || !sk_OCSP_CERTID_num(ids))
820 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
821 id = sk_OCSP_CERTID_value(ids, i);
822 name = sk_OPENSSL_STRING_value(names, i);
823 BIO_printf(out, "%s: ", name);
825 if (!OCSP_resp_find_status(bs, id, &status, &reason,
826 &rev, &thisupd, &nextupd)) {
827 BIO_puts(out, "ERROR: No Status found.\n");
832 * Check validity: if invalid write to output BIO so we know which
833 * response this refers to.
835 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
836 BIO_puts(out, "WARNING: Status times invalid.\n");
837 ERR_print_errors(out);
839 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
841 BIO_puts(out, "\tThis Update: ");
842 ASN1_GENERALIZEDTIME_print(out, thisupd);
846 BIO_puts(out, "\tNext Update: ");
847 ASN1_GENERALIZEDTIME_print(out, nextupd);
851 if (status != V_OCSP_CERTSTATUS_REVOKED)
855 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
857 BIO_puts(out, "\tRevocation Time: ");
858 ASN1_GENERALIZEDTIME_print(out, rev);
863 static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
864 CA_DB *db, X509 *ca, X509 *rcert,
865 EVP_PKEY *rkey, const EVP_MD *rmd,
866 STACK_OF(X509) *rother, unsigned long flags,
867 int nmin, int ndays, int badsig)
869 ASN1_TIME *thisupd = NULL, *nextupd = NULL;
870 OCSP_CERTID *cid, *ca_id = NULL;
871 OCSP_BASICRESP *bs = NULL;
874 id_count = OCSP_request_onereq_count(req);
878 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
882 bs = OCSP_BASICRESP_new();
883 thisupd = X509_gmtime_adj(NULL, 0);
885 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
887 /* Examine each certificate id in the request */
888 for (i = 0; i < id_count; i++) {
890 ASN1_INTEGER *serial;
892 ASN1_OBJECT *cert_id_md_oid;
893 const EVP_MD *cert_id_md;
894 one = OCSP_request_onereq_get0(req, i);
895 cid = OCSP_onereq_get0_id(one);
897 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
899 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
901 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
905 OCSP_CERTID_free(ca_id);
906 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
908 /* Is this request about our CA? */
909 if (OCSP_id_issuer_cmp(ca_id, cid)) {
910 OCSP_basic_add1_status(bs, cid,
911 V_OCSP_CERTSTATUS_UNKNOWN,
912 0, NULL, thisupd, nextupd);
915 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
916 inf = lookup_serial(db, serial);
918 OCSP_basic_add1_status(bs, cid,
919 V_OCSP_CERTSTATUS_UNKNOWN,
920 0, NULL, thisupd, nextupd);
921 else if (inf[DB_type][0] == DB_TYPE_VAL)
922 OCSP_basic_add1_status(bs, cid,
923 V_OCSP_CERTSTATUS_GOOD,
924 0, NULL, thisupd, nextupd);
925 else if (inf[DB_type][0] == DB_TYPE_REV) {
926 ASN1_OBJECT *inst = NULL;
927 ASN1_TIME *revtm = NULL;
928 ASN1_GENERALIZEDTIME *invtm = NULL;
929 OCSP_SINGLERESP *single;
931 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
932 single = OCSP_basic_add1_status(bs, cid,
933 V_OCSP_CERTSTATUS_REVOKED,
934 reason, revtm, thisupd, nextupd);
936 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
939 OCSP_SINGLERESP_add1_ext_i2d(single,
940 NID_hold_instruction_code, inst,
942 ASN1_OBJECT_free(inst);
943 ASN1_TIME_free(revtm);
944 ASN1_GENERALIZEDTIME_free(invtm);
948 OCSP_copy_nonce(bs, req);
950 OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags);
953 ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
954 unsigned char *sigptr = ASN1_STRING_data(sig);
955 sigptr[ASN1_STRING_length(sig) - 1] ^= 0x1;
958 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
961 ASN1_TIME_free(thisupd);
962 ASN1_TIME_free(nextupd);
963 OCSP_CERTID_free(ca_id);
964 OCSP_BASICRESP_free(bs);
967 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
971 char *itmp, *row[DB_NUMBER], **rrow;
972 for (i = 0; i < DB_NUMBER; i++)
974 bn = ASN1_INTEGER_to_BN(ser, NULL);
975 OPENSSL_assert(bn); /* FIXME: should report an error at this
978 itmp = OPENSSL_strdup("00");
980 itmp = BN_bn2hex(bn);
981 row[DB_serial] = itmp;
983 rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
988 /* Quick and dirty OCSP server: read in and parse input request */
990 static BIO *init_responder(const char *port)
992 # ifdef OPENSSL_NO_SOCK
994 "Error setting up accept BIO - sockets not supported.\n");
997 BIO *acbio = NULL, *bufbio = NULL;
999 bufbio = BIO_new(BIO_f_buffer());
1002 acbio = BIO_new(BIO_s_accept());
1004 || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
1005 || BIO_set_accept_port(acbio, port) < 0) {
1006 BIO_printf(bio_err, "Error setting up accept BIO\n");
1007 ERR_print_errors(bio_err);
1011 BIO_set_accept_bios(acbio, bufbio);
1013 if (BIO_do_accept(acbio) <= 0) {
1014 BIO_printf(bio_err, "Error starting accept\n");
1015 ERR_print_errors(bio_err);
1022 BIO_free_all(acbio);
1028 # ifndef OPENSSL_NO_SOCK
1030 * Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
1032 static int urldecode(char *p)
1034 unsigned char *out = (unsigned char *)p;
1035 unsigned char *save = out;
1040 else if (isxdigit(_UC(p[1])) && isxdigit(_UC(p[2]))) {
1041 /* Don't check, can't fail because of ixdigit() call. */
1042 *out++ = (OPENSSL_hexchar2int(p[1]) << 4)
1043 | OPENSSL_hexchar2int(p[2]);
1050 return (int)(out - save);
1054 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
1056 # ifdef OPENSSL_NO_SOCK
1060 OCSP_REQUEST *req = NULL;
1061 char inbuf[2048], reqbuf[2048];
1063 BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
1065 if (BIO_do_accept(acbio) <= 0) {
1066 BIO_printf(bio_err, "Error accepting connection\n");
1067 ERR_print_errors(bio_err);
1071 cbio = BIO_pop(acbio);
1074 /* Read the request line. */
1075 len = BIO_gets(cbio, reqbuf, sizeof reqbuf);
1078 if (strncmp(reqbuf, "GET ", 4) == 0) {
1079 /* Expecting GET {sp} /URL {sp} HTTP/1.x */
1080 for (p = reqbuf + 4; *p == ' '; ++p)
1083 BIO_printf(bio_err, "Invalid request -- bad URL\n");
1088 /* Splice off the HTTP version identifier. */
1089 for (q = p; *q; q++)
1092 if (strncmp(q, " HTTP/1.", 8) != 0) {
1093 BIO_printf(bio_err, "Invalid request -- bad HTTP vesion\n");
1099 BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
1102 if ((getbio = BIO_new_mem_buf(p, len)) == NULL
1103 || (b64 = BIO_new(BIO_f_base64())) == NULL) {
1104 BIO_printf(bio_err, "Could not allocate memory\n");
1105 ERR_print_errors(bio_err);
1108 BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1109 getbio = BIO_push(b64, getbio);
1110 } else if (strncmp(reqbuf, "POST ", 5) != 0) {
1111 BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
1115 /* Read and skip past the headers. */
1117 len = BIO_gets(cbio, inbuf, sizeof inbuf);
1120 if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
1124 /* Try to read OCSP request */
1126 req = d2i_OCSP_REQUEST_bio(getbio, NULL);
1127 BIO_free_all(getbio);
1129 req = d2i_OCSP_REQUEST_bio(cbio, NULL);
1132 BIO_printf(bio_err, "Error parsing OCSP request\n");
1133 ERR_print_errors(bio_err);
1142 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
1145 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
1146 "Content-Length: %d\r\n\r\n";
1149 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
1150 i2d_OCSP_RESPONSE_bio(cbio, resp);
1151 (void)BIO_flush(cbio);
1155 # ifndef OPENSSL_NO_SOCK
1156 static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
1158 const STACK_OF(CONF_VALUE) *headers,
1159 OCSP_REQUEST *req, int req_timeout)
1165 OCSP_REQ_CTX *ctx = NULL;
1166 OCSP_RESPONSE *rsp = NULL;
1170 if (req_timeout != -1)
1171 BIO_set_nbio(cbio, 1);
1173 rv = BIO_do_connect(cbio);
1175 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) {
1176 BIO_puts(bio_err, "Error connecting BIO\n");
1180 if (BIO_get_fd(cbio, &fd) < 0) {
1181 BIO_puts(bio_err, "Can't get connection fd\n");
1185 if (req_timeout != -1 && rv <= 0) {
1187 openssl_fdset(fd, &confds);
1189 tv.tv_sec = req_timeout;
1190 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1192 BIO_puts(bio_err, "Timeout on connect\n");
1197 ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
1201 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
1202 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
1203 if (add_host == 1 && strcasecmp("host", hdr->name) == 0)
1205 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
1209 if (add_host == 1 && OCSP_REQ_CTX_add1_header(ctx, "Host", host) == 0)
1212 if (!OCSP_REQ_CTX_set1_req(ctx, req))
1216 rv = OCSP_sendreq_nbio(&rsp, ctx);
1219 if (req_timeout == -1)
1222 openssl_fdset(fd, &confds);
1224 tv.tv_sec = req_timeout;
1225 if (BIO_should_read(cbio))
1226 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
1227 else if (BIO_should_write(cbio))
1228 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
1230 BIO_puts(bio_err, "Unexpected retry condition\n");
1234 BIO_puts(bio_err, "Timeout on request\n");
1238 BIO_puts(bio_err, "Select error\n");
1244 OCSP_REQ_CTX_free(ctx);
1249 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
1250 const char *host, const char *path,
1251 const char *port, int use_ssl,
1252 STACK_OF(CONF_VALUE) *headers,
1256 SSL_CTX *ctx = NULL;
1257 OCSP_RESPONSE *resp = NULL;
1259 cbio = BIO_new_connect(host);
1261 BIO_printf(bio_err, "Error creating connect BIO\n");
1265 BIO_set_conn_port(cbio, port);
1268 ctx = SSL_CTX_new(TLS_client_method());
1270 BIO_printf(bio_err, "Error creating SSL context.\n");
1273 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
1274 sbio = BIO_new_ssl(ctx, 1);
1275 cbio = BIO_push(sbio, cbio);
1278 resp = query_responder(cbio, host, path, headers, req, req_timeout);
1280 BIO_printf(bio_err, "Error querying OCSP responder\n");