| /* ocsp.c */ |
| /* |
| * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
| * 2000. |
| */ |
| /* ==================================================================== |
| * Copyright (c) 1999 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * licensing@OpenSSL.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| #ifndef OPENSSL_NO_OCSP |
| |
| # ifdef OPENSSL_SYS_VMS |
| # define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined |
| * on OpenVMS */ |
| # endif |
| |
| # define USE_SOCKETS |
| |
| # include <stdio.h> |
| # include <stdlib.h> |
| # include <string.h> |
| # include <time.h> |
| # include "apps.h" /* needs to be included before the openssl |
| * headers! */ |
| # include <openssl/e_os2.h> |
| # include <openssl/crypto.h> |
| # include <openssl/err.h> |
| # include <openssl/ssl.h> |
| # include <openssl/evp.h> |
| # include <openssl/bn.h> |
| # include <openssl/x509v3.h> |
| |
| # if defined(NETWARE_CLIB) |
| # ifdef NETWARE_BSDSOCK |
| # include <sys/socket.h> |
| # include <sys/bsdskt.h> |
| # else |
| # include <novsock2.h> |
| # endif |
| # elif defined(NETWARE_LIBC) |
| # ifdef NETWARE_BSDSOCK |
| # include <sys/select.h> |
| # else |
| # include <novsock2.h> |
| # endif |
| # endif |
| |
| /* Maximum leeway in validity period: default 5 minutes */ |
| # define MAX_VALIDITY_PERIOD (5 * 60) |
| |
| static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, |
| const EVP_MD *cert_id_md, X509 *issuer, |
| STACK_OF(OCSP_CERTID) *ids); |
| static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, |
| const EVP_MD *cert_id_md, X509 *issuer, |
| STACK_OF(OCSP_CERTID) *ids); |
| static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, |
| STACK_OF(OPENSSL_STRING) *names, |
| STACK_OF(OCSP_CERTID) *ids, long nsec, |
| long maxage); |
| |
| static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, |
| CA_DB *db, X509 *ca, X509 *rcert, |
| EVP_PKEY *rkey, STACK_OF(X509) *rother, |
| unsigned long flags, int nmin, int ndays); |
| |
| static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser); |
| static BIO *init_responder(char *port); |
| static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, |
| char *port); |
| static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); |
| static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, |
| STACK_OF(CONF_VALUE) *headers, |
| OCSP_REQUEST *req, int req_timeout); |
| |
| # undef PROG |
| # define PROG ocsp_main |
| |
| int MAIN(int, char **); |
| |
| int MAIN(int argc, char **argv) |
| { |
| ENGINE *e = NULL; |
| char **args; |
| char *host = NULL, *port = NULL, *path = "/"; |
| char *thost = NULL, *tport = NULL, *tpath = NULL; |
| char *reqin = NULL, *respin = NULL; |
| char *reqout = NULL, *respout = NULL; |
| char *signfile = NULL, *keyfile = NULL; |
| char *rsignfile = NULL, *rkeyfile = NULL; |
| char *outfile = NULL; |
| int add_nonce = 1, noverify = 0, use_ssl = -1; |
| STACK_OF(CONF_VALUE) *headers = NULL; |
| OCSP_REQUEST *req = NULL; |
| OCSP_RESPONSE *resp = NULL; |
| OCSP_BASICRESP *bs = NULL; |
| X509 *issuer = NULL, *cert = NULL; |
| X509 *signer = NULL, *rsigner = NULL; |
| EVP_PKEY *key = NULL, *rkey = NULL; |
| BIO *acbio = NULL, *cbio = NULL; |
| BIO *derbio = NULL; |
| BIO *out = NULL; |
| int req_timeout = -1; |
| int req_text = 0, resp_text = 0; |
| long nsec = MAX_VALIDITY_PERIOD, maxage = -1; |
| char *CAfile = NULL, *CApath = NULL; |
| X509_STORE *store = NULL; |
| STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL; |
| char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL; |
| unsigned long sign_flags = 0, verify_flags = 0, rflags = 0; |
| int ret = 1; |
| int accept_count = -1; |
| int badarg = 0; |
| int i; |
| int ignore_err = 0; |
| STACK_OF(OPENSSL_STRING) *reqnames = NULL; |
| STACK_OF(OCSP_CERTID) *ids = NULL; |
| |
| X509 *rca_cert = NULL; |
| char *ridx_filename = NULL; |
| char *rca_filename = NULL; |
| CA_DB *rdb = NULL; |
| int nmin = 0, ndays = -1; |
| const EVP_MD *cert_id_md = NULL; |
| |
| if (bio_err == NULL) |
| bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); |
| |
| if (!load_config(bio_err, NULL)) |
| goto end; |
| SSL_load_error_strings(); |
| OpenSSL_add_ssl_algorithms(); |
| args = argv + 1; |
| reqnames = sk_OPENSSL_STRING_new_null(); |
| ids = sk_OCSP_CERTID_new_null(); |
| while (!badarg && *args && *args[0] == '-') { |
| if (!strcmp(*args, "-out")) { |
| if (args[1]) { |
| args++; |
| outfile = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-timeout")) { |
| if (args[1]) { |
| args++; |
| req_timeout = atol(*args); |
| if (req_timeout < 0) { |
| BIO_printf(bio_err, "Illegal timeout value %s\n", *args); |
| badarg = 1; |
| } |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-url")) { |
| if (thost) |
| OPENSSL_free(thost); |
| if (tport) |
| OPENSSL_free(tport); |
| if (tpath) |
| OPENSSL_free(tpath); |
| if (args[1]) { |
| args++; |
| if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl)) { |
| BIO_printf(bio_err, "Error parsing URL\n"); |
| badarg = 1; |
| } |
| thost = host; |
| tport = port; |
| tpath = path; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-host")) { |
| if (args[1]) { |
| args++; |
| host = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-port")) { |
| if (args[1]) { |
| args++; |
| port = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-header")) { |
| if (args[1] && args[2]) { |
| if (!X509V3_add_value(args[1], args[2], &headers)) |
| goto end; |
| args += 2; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-ignore_err")) |
| ignore_err = 1; |
| else if (!strcmp(*args, "-noverify")) |
| noverify = 1; |
| else if (!strcmp(*args, "-nonce")) |
| add_nonce = 2; |
| else if (!strcmp(*args, "-no_nonce")) |
| add_nonce = 0; |
| else if (!strcmp(*args, "-resp_no_certs")) |
| rflags |= OCSP_NOCERTS; |
| else if (!strcmp(*args, "-resp_key_id")) |
| rflags |= OCSP_RESPID_KEY; |
| else if (!strcmp(*args, "-no_certs")) |
| sign_flags |= OCSP_NOCERTS; |
| else if (!strcmp(*args, "-no_signature_verify")) |
| verify_flags |= OCSP_NOSIGS; |
| else if (!strcmp(*args, "-no_cert_verify")) |
| verify_flags |= OCSP_NOVERIFY; |
| else if (!strcmp(*args, "-no_chain")) |
| verify_flags |= OCSP_NOCHAIN; |
| else if (!strcmp(*args, "-no_cert_checks")) |
| verify_flags |= OCSP_NOCHECKS; |
| else if (!strcmp(*args, "-no_explicit")) |
| verify_flags |= OCSP_NOEXPLICIT; |
| else if (!strcmp(*args, "-trust_other")) |
| verify_flags |= OCSP_TRUSTOTHER; |
| else if (!strcmp(*args, "-no_intern")) |
| verify_flags |= OCSP_NOINTERN; |
| else if (!strcmp(*args, "-text")) { |
| req_text = 1; |
| resp_text = 1; |
| } else if (!strcmp(*args, "-req_text")) |
| req_text = 1; |
| else if (!strcmp(*args, "-resp_text")) |
| resp_text = 1; |
| else if (!strcmp(*args, "-reqin")) { |
| if (args[1]) { |
| args++; |
| reqin = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-respin")) { |
| if (args[1]) { |
| args++; |
| respin = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-signer")) { |
| if (args[1]) { |
| args++; |
| signfile = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-VAfile")) { |
| if (args[1]) { |
| args++; |
| verify_certfile = *args; |
| verify_flags |= OCSP_TRUSTOTHER; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-sign_other")) { |
| if (args[1]) { |
| args++; |
| sign_certfile = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-verify_other")) { |
| if (args[1]) { |
| args++; |
| verify_certfile = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-CAfile")) { |
| if (args[1]) { |
| args++; |
| CAfile = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-CApath")) { |
| if (args[1]) { |
| args++; |
| CApath = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-validity_period")) { |
| if (args[1]) { |
| args++; |
| nsec = atol(*args); |
| if (nsec < 0) { |
| BIO_printf(bio_err, |
| "Illegal validity period %s\n", *args); |
| badarg = 1; |
| } |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-status_age")) { |
| if (args[1]) { |
| args++; |
| maxage = atol(*args); |
| if (maxage < 0) { |
| BIO_printf(bio_err, "Illegal validity age %s\n", *args); |
| badarg = 1; |
| } |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-signkey")) { |
| if (args[1]) { |
| args++; |
| keyfile = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-reqout")) { |
| if (args[1]) { |
| args++; |
| reqout = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-respout")) { |
| if (args[1]) { |
| args++; |
| respout = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-path")) { |
| if (args[1]) { |
| args++; |
| path = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-issuer")) { |
| if (args[1]) { |
| args++; |
| X509_free(issuer); |
| issuer = load_cert(bio_err, *args, FORMAT_PEM, |
| NULL, e, "issuer certificate"); |
| if (!issuer) |
| goto end; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-cert")) { |
| if (args[1]) { |
| args++; |
| X509_free(cert); |
| cert = load_cert(bio_err, *args, FORMAT_PEM, |
| NULL, e, "certificate"); |
| if (!cert) |
| goto end; |
| if (!cert_id_md) |
| cert_id_md = EVP_sha1(); |
| if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids)) |
| goto end; |
| if (!sk_OPENSSL_STRING_push(reqnames, *args)) |
| goto end; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-serial")) { |
| if (args[1]) { |
| args++; |
| if (!cert_id_md) |
| cert_id_md = EVP_sha1(); |
| if (!add_ocsp_serial(&req, *args, cert_id_md, issuer, ids)) |
| goto end; |
| if (!sk_OPENSSL_STRING_push(reqnames, *args)) |
| goto end; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-index")) { |
| if (args[1]) { |
| args++; |
| ridx_filename = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-CA")) { |
| if (args[1]) { |
| args++; |
| rca_filename = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-nmin")) { |
| if (args[1]) { |
| args++; |
| nmin = atol(*args); |
| if (nmin < 0) { |
| BIO_printf(bio_err, "Illegal update period %s\n", *args); |
| badarg = 1; |
| } |
| } |
| if (ndays == -1) |
| ndays = 0; |
| else |
| badarg = 1; |
| } else if (!strcmp(*args, "-nrequest")) { |
| if (args[1]) { |
| args++; |
| accept_count = atol(*args); |
| if (accept_count < 0) { |
| BIO_printf(bio_err, "Illegal accept count %s\n", *args); |
| badarg = 1; |
| } |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-ndays")) { |
| if (args[1]) { |
| args++; |
| ndays = atol(*args); |
| if (ndays < 0) { |
| BIO_printf(bio_err, "Illegal update period %s\n", *args); |
| badarg = 1; |
| } |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-rsigner")) { |
| if (args[1]) { |
| args++; |
| rsignfile = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-rkey")) { |
| if (args[1]) { |
| args++; |
| rkeyfile = *args; |
| } else |
| badarg = 1; |
| } else if (!strcmp(*args, "-rother")) { |
| if (args[1]) { |
| args++; |
| rcertfile = *args; |
| } else |
| badarg = 1; |
| } else if ((cert_id_md = EVP_get_digestbyname((*args) + 1)) == NULL) { |
| badarg = 1; |
| } |
| args++; |
| } |
| |
| /* Have we anything to do? */ |
| if (!req && !reqin && !respin && !(port && ridx_filename)) |
| badarg = 1; |
| |
| if (badarg) { |
| BIO_printf(bio_err, "OCSP utility\n"); |
| BIO_printf(bio_err, "Usage ocsp [options]\n"); |
| BIO_printf(bio_err, "where options are\n"); |
| BIO_printf(bio_err, "-out file output filename\n"); |
| BIO_printf(bio_err, "-issuer file issuer certificate\n"); |
| BIO_printf(bio_err, "-cert file certificate to check\n"); |
| BIO_printf(bio_err, "-serial n serial number to check\n"); |
| BIO_printf(bio_err, |
| "-signer file certificate to sign OCSP request with\n"); |
| BIO_printf(bio_err, |
| "-signkey file private key to sign OCSP request with\n"); |
| BIO_printf(bio_err, |
| "-sign_other file additional certificates to include in signed request\n"); |
| BIO_printf(bio_err, |
| "-no_certs don't include any certificates in signed request\n"); |
| BIO_printf(bio_err, |
| "-req_text print text form of request\n"); |
| BIO_printf(bio_err, |
| "-resp_text print text form of response\n"); |
| BIO_printf(bio_err, |
| "-text print text form of request and response\n"); |
| BIO_printf(bio_err, |
| "-reqout file write DER encoded OCSP request to \"file\"\n"); |
| BIO_printf(bio_err, |
| "-respout file write DER encoded OCSP reponse to \"file\"\n"); |
| BIO_printf(bio_err, |
| "-reqin file read DER encoded OCSP request from \"file\"\n"); |
| BIO_printf(bio_err, |
| "-respin file read DER encoded OCSP reponse from \"file\"\n"); |
| BIO_printf(bio_err, |
| "-nonce add OCSP nonce to request\n"); |
| BIO_printf(bio_err, |
| "-no_nonce don't add OCSP nonce to request\n"); |
| BIO_printf(bio_err, "-url URL OCSP responder URL\n"); |
| BIO_printf(bio_err, |
| "-host host:n send OCSP request to host on port n\n"); |
| BIO_printf(bio_err, |
| "-path path to use in OCSP request\n"); |
| BIO_printf(bio_err, |
| "-CApath dir trusted certificates directory\n"); |
| BIO_printf(bio_err, |
| "-CAfile file trusted certificates file\n"); |
| BIO_printf(bio_err, |
| "-no_alt_chains only ever use the first certificate chain found\n"); |
| BIO_printf(bio_err, |
| "-VAfile file validator certificates file\n"); |
| BIO_printf(bio_err, |
| "-validity_period n maximum validity discrepancy in seconds\n"); |
| BIO_printf(bio_err, |
| "-status_age n maximum status age in seconds\n"); |
| BIO_printf(bio_err, |
| "-noverify don't verify response at all\n"); |
| BIO_printf(bio_err, |
| "-verify_other file additional certificates to search for signer\n"); |
| BIO_printf(bio_err, |
| "-trust_other don't verify additional certificates\n"); |
| BIO_printf(bio_err, |
| "-no_intern don't search certificates contained in response for signer\n"); |
| BIO_printf(bio_err, |
| "-no_signature_verify don't check signature on response\n"); |
| BIO_printf(bio_err, |
| "-no_cert_verify don't check signing certificate\n"); |
| BIO_printf(bio_err, |
| "-no_chain don't chain verify response\n"); |
| BIO_printf(bio_err, |
| "-no_cert_checks don't do additional checks on signing certificate\n"); |
| BIO_printf(bio_err, |
| "-port num port to run responder on\n"); |
| BIO_printf(bio_err, |
| "-index file certificate status index file\n"); |
| BIO_printf(bio_err, "-CA file CA certificate\n"); |
| BIO_printf(bio_err, |
| "-rsigner file responder certificate to sign responses with\n"); |
| BIO_printf(bio_err, |
| "-rkey file responder key to sign responses with\n"); |
| BIO_printf(bio_err, |
| "-rother file other certificates to include in response\n"); |
| BIO_printf(bio_err, |
| "-resp_no_certs don't include any certificates in response\n"); |
| BIO_printf(bio_err, |
| "-nmin n number of minutes before next update\n"); |
| BIO_printf(bio_err, |
| "-ndays n number of days before next update\n"); |
| BIO_printf(bio_err, |
| "-resp_key_id identify reponse by signing certificate key ID\n"); |
| BIO_printf(bio_err, |
| "-nrequest n number of requests to accept (default unlimited)\n"); |
| BIO_printf(bio_err, |
| "-<dgst alg> use specified digest in the request\n"); |
| BIO_printf(bio_err, |
| "-timeout n timeout connection to OCSP responder after n seconds\n"); |
| goto end; |
| } |
| |
| if (outfile) |
| out = BIO_new_file(outfile, "w"); |
| else |
| out = BIO_new_fp(stdout, BIO_NOCLOSE); |
| |
| if (!out) { |
| BIO_printf(bio_err, "Error opening output file\n"); |
| goto end; |
| } |
| |
| if (!req && (add_nonce != 2)) |
| add_nonce = 0; |
| |
| if (!req && reqin) { |
| derbio = BIO_new_file(reqin, "rb"); |
| if (!derbio) { |
| BIO_printf(bio_err, "Error Opening OCSP request file\n"); |
| goto end; |
| } |
| req = d2i_OCSP_REQUEST_bio(derbio, NULL); |
| BIO_free(derbio); |
| if (!req) { |
| BIO_printf(bio_err, "Error reading OCSP request\n"); |
| goto end; |
| } |
| } |
| |
| if (!req && port) { |
| acbio = init_responder(port); |
| if (!acbio) |
| goto end; |
| } |
| |
| if (rsignfile && !rdb) { |
| if (!rkeyfile) |
| rkeyfile = rsignfile; |
| rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM, |
| NULL, e, "responder certificate"); |
| if (!rsigner) { |
| BIO_printf(bio_err, "Error loading responder certificate\n"); |
| goto end; |
| } |
| rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM, |
| NULL, e, "CA certificate"); |
| if (rcertfile) { |
| rother = load_certs(bio_err, rcertfile, FORMAT_PEM, |
| NULL, e, "responder other certificates"); |
| if (!rother) |
| goto end; |
| } |
| rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL, |
| "responder private key"); |
| if (!rkey) |
| goto end; |
| } |
| if (acbio) |
| BIO_printf(bio_err, "Waiting for OCSP client connections...\n"); |
| |
| redo_accept: |
| |
| if (acbio) { |
| if (!do_responder(&req, &cbio, acbio, port)) |
| goto end; |
| if (!req) { |
| resp = |
| OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, |
| NULL); |
| send_ocsp_response(cbio, resp); |
| goto done_resp; |
| } |
| } |
| |
| if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) { |
| BIO_printf(bio_err, "Need an OCSP request for this operation!\n"); |
| goto end; |
| } |
| |
| if (req && add_nonce) |
| OCSP_request_add1_nonce(req, NULL, -1); |
| |
| if (signfile) { |
| if (!keyfile) |
| keyfile = signfile; |
| signer = load_cert(bio_err, signfile, FORMAT_PEM, |
| NULL, e, "signer certificate"); |
| if (!signer) { |
| BIO_printf(bio_err, "Error loading signer certificate\n"); |
| goto end; |
| } |
| if (sign_certfile) { |
| sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM, |
| NULL, e, "signer certificates"); |
| if (!sign_other) |
| goto end; |
| } |
| key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL, |
| "signer private key"); |
| if (!key) |
| goto end; |
| |
| if (!OCSP_request_sign |
| (req, signer, key, NULL, sign_other, sign_flags)) { |
| BIO_printf(bio_err, "Error signing OCSP request\n"); |
| goto end; |
| } |
| } |
| |
| if (req_text && req) |
| OCSP_REQUEST_print(out, req, 0); |
| |
| if (reqout) { |
| derbio = BIO_new_file(reqout, "wb"); |
| if (!derbio) { |
| BIO_printf(bio_err, "Error opening file %s\n", reqout); |
| goto end; |
| } |
| i2d_OCSP_REQUEST_bio(derbio, req); |
| BIO_free(derbio); |
| } |
| |
| if (ridx_filename && (!rkey || !rsigner || !rca_cert)) { |
| BIO_printf(bio_err, |
| "Need a responder certificate, key and CA for this operation!\n"); |
| goto end; |
| } |
| |
| if (ridx_filename && !rdb) { |
| rdb = load_index(ridx_filename, NULL); |
| if (!rdb) |
| goto end; |
| if (!index_index(rdb)) |
| goto end; |
| } |
| |
| if (rdb) { |
| i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, |
| rother, rflags, nmin, ndays); |
| if (cbio) |
| send_ocsp_response(cbio, resp); |
| } else if (host) { |
| # ifndef OPENSSL_NO_SOCK |
| resp = process_responder(bio_err, req, host, path, |
| port, use_ssl, headers, req_timeout); |
| if (!resp) |
| goto end; |
| # else |
| BIO_printf(bio_err, |
| "Error creating connect BIO - sockets not supported.\n"); |
| goto end; |
| # endif |
| } else if (respin) { |
| derbio = BIO_new_file(respin, "rb"); |
| if (!derbio) { |
| BIO_printf(bio_err, "Error Opening OCSP response file\n"); |
| goto end; |
| } |
| resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); |
| BIO_free(derbio); |
| if (!resp) { |
| BIO_printf(bio_err, "Error reading OCSP response\n"); |
| goto end; |
| } |
| |
| } else { |
| ret = 0; |
| goto end; |
| } |
| |
| done_resp: |
| |
| if (respout) { |
| derbio = BIO_new_file(respout, "wb"); |
| if (!derbio) { |
| BIO_printf(bio_err, "Error opening file %s\n", respout); |
| goto end; |
| } |
| i2d_OCSP_RESPONSE_bio(derbio, resp); |
| BIO_free(derbio); |
| } |
| |
| i = OCSP_response_status(resp); |
| |
| if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) { |
| BIO_printf(out, "Responder Error: %s (%d)\n", |
| OCSP_response_status_str(i), i); |
| if (ignore_err) |
| goto redo_accept; |
| ret = 0; |
| goto end; |
| } |
| |
| if (resp_text) |
| OCSP_RESPONSE_print(out, resp, 0); |
| |
| /* If running as responder don't verify our own response */ |
| if (cbio) { |
| if (accept_count > 0) |
| accept_count--; |
| /* Redo if more connections needed */ |
| if (accept_count) { |
| BIO_free_all(cbio); |
| cbio = NULL; |
| OCSP_REQUEST_free(req); |
| req = NULL; |
| OCSP_RESPONSE_free(resp); |
| resp = NULL; |
| goto redo_accept; |
| } |
| goto end; |
| } |
| |
| if (!store) |
| store = setup_verify(bio_err, CAfile, CApath); |
| if (!store) |
| goto end; |
| if (verify_certfile) { |
| verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM, |
| NULL, e, "validator certificate"); |
| if (!verify_other) |
| goto end; |
| } |
| |
| bs = OCSP_response_get1_basic(resp); |
| |
| if (!bs) { |
| BIO_printf(bio_err, "Error parsing response\n"); |
| goto end; |
| } |
| |
| if (!noverify) { |
| if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) { |
| if (i == -1) |
| BIO_printf(bio_err, "WARNING: no nonce in response\n"); |
| else { |
| BIO_printf(bio_err, "Nonce Verify error\n"); |
| goto end; |
| } |
| } |
| |
| i = OCSP_basic_verify(bs, verify_other, store, verify_flags); |
| if (i < 0) |
| i = OCSP_basic_verify(bs, NULL, store, 0); |
| |
| if (i <= 0) { |
| BIO_printf(bio_err, "Response Verify Failure\n"); |
| ERR_print_errors(bio_err); |
| } else |
| BIO_printf(bio_err, "Response verify OK\n"); |
| |
| } |
| |
| if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage)) |
| goto end; |
| |
| ret = 0; |
| |
| end: |
| ERR_print_errors(bio_err); |
| X509_free(signer); |
| X509_STORE_free(store); |
| EVP_PKEY_free(key); |
| EVP_PKEY_free(rkey); |
| X509_free(issuer); |
| X509_free(cert); |
| X509_free(rsigner); |
| X509_free(rca_cert); |
| free_index(rdb); |
| BIO_free_all(cbio); |
| BIO_free_all(acbio); |
| BIO_free(out); |
| OCSP_REQUEST_free(req); |
| OCSP_RESPONSE_free(resp); |
| OCSP_BASICRESP_free(bs); |
| sk_OPENSSL_STRING_free(reqnames); |
| sk_OCSP_CERTID_free(ids); |
| sk_X509_pop_free(sign_other, X509_free); |
| sk_X509_pop_free(verify_other, X509_free); |
| sk_CONF_VALUE_pop_free(headers, X509V3_conf_free); |
| |
| if (thost) |
| OPENSSL_free(thost); |
| if (tport) |
| OPENSSL_free(tport); |
| if (tpath) |
| OPENSSL_free(tpath); |
| |
| OPENSSL_EXIT(ret); |
| } |
| |
| static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, |
| const EVP_MD *cert_id_md, X509 *issuer, |
| STACK_OF(OCSP_CERTID) *ids) |
| { |
| OCSP_CERTID *id; |
| if (!issuer) { |
| BIO_printf(bio_err, "No issuer certificate specified\n"); |
| return 0; |
| } |
| if (!*req) |
| *req = OCSP_REQUEST_new(); |
| if (!*req) |
| goto err; |
| id = OCSP_cert_to_id(cert_id_md, cert, issuer); |
| if (!id || !sk_OCSP_CERTID_push(ids, id)) |
| goto err; |
| if (!OCSP_request_add0_id(*req, id)) |
| goto err; |
| return 1; |
| |
| err: |
| BIO_printf(bio_err, "Error Creating OCSP request\n"); |
| return 0; |
| } |
| |
| static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, |
| const EVP_MD *cert_id_md, X509 *issuer, |
| STACK_OF(OCSP_CERTID) *ids) |
| { |
| OCSP_CERTID *id; |
| X509_NAME *iname; |
| ASN1_BIT_STRING *ikey; |
| ASN1_INTEGER *sno; |
| if (!issuer) { |
| BIO_printf(bio_err, "No issuer certificate specified\n"); |
| return 0; |
| } |
| if (!*req) |
| *req = OCSP_REQUEST_new(); |
| if (!*req) |
| goto err; |
| iname = X509_get_subject_name(issuer); |
| ikey = X509_get0_pubkey_bitstr(issuer); |
| sno = s2i_ASN1_INTEGER(NULL, serial); |
| if (!sno) { |
| BIO_printf(bio_err, "Error converting serial number %s\n", serial); |
| return 0; |
| } |
| id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno); |
| ASN1_INTEGER_free(sno); |
| if (!id || !sk_OCSP_CERTID_push(ids, id)) |
| goto err; |
| if (!OCSP_request_add0_id(*req, id)) |
| goto err; |
| return 1; |
| |
| err: |
| BIO_printf(bio_err, "Error Creating OCSP request\n"); |
| return 0; |
| } |
| |
| static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, |
| STACK_OF(OPENSSL_STRING) *names, |
| STACK_OF(OCSP_CERTID) *ids, long nsec, |
| long maxage) |
| { |
| OCSP_CERTID *id; |
| char *name; |
| int i; |
| |
| int status, reason; |
| |
| ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; |
| |
| if (!bs || !req || !sk_OPENSSL_STRING_num(names) |
| || !sk_OCSP_CERTID_num(ids)) |
| return 1; |
| |
| for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) { |
| id = sk_OCSP_CERTID_value(ids, i); |
| name = sk_OPENSSL_STRING_value(names, i); |
| BIO_printf(out, "%s: ", name); |
| |
| if (!OCSP_resp_find_status(bs, id, &status, &reason, |
| &rev, &thisupd, &nextupd)) { |
| BIO_puts(out, "ERROR: No Status found.\n"); |
| continue; |
| } |
| |
| /* |
| * Check validity: if invalid write to output BIO so we know which |
| * response this refers to. |
| */ |
| if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) { |
| BIO_puts(out, "WARNING: Status times invalid.\n"); |
| ERR_print_errors(out); |
| } |
| BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); |
| |
| BIO_puts(out, "\tThis Update: "); |
| ASN1_GENERALIZEDTIME_print(out, thisupd); |
| BIO_puts(out, "\n"); |
| |
| if (nextupd) { |
| BIO_puts(out, "\tNext Update: "); |
| ASN1_GENERALIZEDTIME_print(out, nextupd); |
| BIO_puts(out, "\n"); |
| } |
| |
| if (status != V_OCSP_CERTSTATUS_REVOKED) |
| continue; |
| |
| if (reason != -1) |
| BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason)); |
| |
| BIO_puts(out, "\tRevocation Time: "); |
| ASN1_GENERALIZEDTIME_print(out, rev); |
| BIO_puts(out, "\n"); |
| } |
| |
| return 1; |
| } |
| |
| static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, |
| CA_DB *db, X509 *ca, X509 *rcert, |
| EVP_PKEY *rkey, STACK_OF(X509) *rother, |
| unsigned long flags, int nmin, int ndays) |
| { |
| ASN1_TIME *thisupd = NULL, *nextupd = NULL; |
| OCSP_CERTID *cid, *ca_id = NULL; |
| OCSP_BASICRESP *bs = NULL; |
| int i, id_count, ret = 1; |
| |
| id_count = OCSP_request_onereq_count(req); |
| |
| if (id_count <= 0) { |
| *resp = |
| OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); |
| goto end; |
| } |
| |
| bs = OCSP_BASICRESP_new(); |
| thisupd = X509_gmtime_adj(NULL, 0); |
| if (ndays != -1) |
| nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL); |
| |
| /* Examine each certificate id in the request */ |
| for (i = 0; i < id_count; i++) { |
| OCSP_ONEREQ *one; |
| ASN1_INTEGER *serial; |
| char **inf; |
| ASN1_OBJECT *cert_id_md_oid; |
| const EVP_MD *cert_id_md; |
| one = OCSP_request_onereq_get0(req, i); |
| cid = OCSP_onereq_get0_id(one); |
| |
| OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid); |
| |
| cert_id_md = EVP_get_digestbyobj(cert_id_md_oid); |
| if (!cert_id_md) { |
| *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, |
| NULL); |
| goto end; |
| } |
| if (ca_id) |
| OCSP_CERTID_free(ca_id); |
| ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca); |
| |
| /* Is this request about our CA? */ |
| if (OCSP_id_issuer_cmp(ca_id, cid)) { |
| OCSP_basic_add1_status(bs, cid, |
| V_OCSP_CERTSTATUS_UNKNOWN, |
| 0, NULL, thisupd, nextupd); |
| continue; |
| } |
| OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid); |
| inf = lookup_serial(db, serial); |
| if (!inf) |
| OCSP_basic_add1_status(bs, cid, |
| V_OCSP_CERTSTATUS_UNKNOWN, |
| 0, NULL, thisupd, nextupd); |
| else if (inf[DB_type][0] == DB_TYPE_VAL) |
| OCSP_basic_add1_status(bs, cid, |
| V_OCSP_CERTSTATUS_GOOD, |
| 0, NULL, thisupd, nextupd); |
| else if (inf[DB_type][0] == DB_TYPE_REV) { |
| ASN1_OBJECT *inst = NULL; |
| ASN1_TIME *revtm = NULL; |
| ASN1_GENERALIZEDTIME *invtm = NULL; |
| OCSP_SINGLERESP *single; |
| int reason = -1; |
| unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]); |
| single = OCSP_basic_add1_status(bs, cid, |
| V_OCSP_CERTSTATUS_REVOKED, |
| reason, revtm, thisupd, nextupd); |
| if (invtm) |
| OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, |
| invtm, 0, 0); |
| else if (inst) |
| OCSP_SINGLERESP_add1_ext_i2d(single, |
| NID_hold_instruction_code, inst, |
| 0, 0); |
| ASN1_OBJECT_free(inst); |
| ASN1_TIME_free(revtm); |
| ASN1_GENERALIZEDTIME_free(invtm); |
| } |
| } |
| |
| OCSP_copy_nonce(bs, req); |
| |
| OCSP_basic_sign(bs, rcert, rkey, NULL, rother, flags); |
| |
| *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); |
| |
| end: |
| ASN1_TIME_free(thisupd); |
| ASN1_TIME_free(nextupd); |
| OCSP_CERTID_free(ca_id); |
| OCSP_BASICRESP_free(bs); |
| return ret; |
| |
| } |
| |
| static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser) |
| { |
| int i; |
| BIGNUM *bn = NULL; |
| char *itmp, *row[DB_NUMBER], **rrow; |
| for (i = 0; i < DB_NUMBER; i++) |
| row[i] = NULL; |
| bn = ASN1_INTEGER_to_BN(ser, NULL); |
| OPENSSL_assert(bn); /* FIXME: should report an error at this |
| * point and abort */ |
| if (BN_is_zero(bn)) |
| itmp = BUF_strdup("00"); |
| else |
| itmp = BN_bn2hex(bn); |
| row[DB_serial] = itmp; |
| BN_free(bn); |
| rrow = TXT_DB_get_by_index(db->db, DB_serial, row); |
| OPENSSL_free(itmp); |
| return rrow; |
| } |
| |
| /* Quick and dirty OCSP server: read in and parse input request */ |
| |
| static BIO *init_responder(char *port) |
| { |
| BIO *acbio = NULL, *bufbio = NULL; |
| bufbio = BIO_new(BIO_f_buffer()); |
| if (!bufbio) |
| goto err; |
| # ifndef OPENSSL_NO_SOCK |
| acbio = BIO_new_accept(port); |
| # else |
| BIO_printf(bio_err, |
| "Error setting up accept BIO - sockets not supported.\n"); |
| # endif |
| if (!acbio) |
| goto err; |
| BIO_set_accept_bios(acbio, bufbio); |
| bufbio = NULL; |
| |
| if (BIO_do_accept(acbio) <= 0) { |
| BIO_printf(bio_err, "Error setting up accept BIO\n"); |
| ERR_print_errors(bio_err); |
| goto err; |
| } |
| |
| return acbio; |
| |
| err: |
| BIO_free_all(acbio); |
| BIO_free(bufbio); |
| return NULL; |
| } |
| |
| static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, |
| char *port) |
| { |
| int have_post = 0, len; |
| OCSP_REQUEST *req = NULL; |
| char inbuf[1024]; |
| BIO *cbio = NULL; |
| |
| if (BIO_do_accept(acbio) <= 0) { |
| BIO_printf(bio_err, "Error accepting connection\n"); |
| ERR_print_errors(bio_err); |
| return 0; |
| } |
| |
| cbio = BIO_pop(acbio); |
| *pcbio = cbio; |
| |
| for (;;) { |
| len = BIO_gets(cbio, inbuf, sizeof inbuf); |
| if (len <= 0) |
| return 1; |
| /* Look for "POST" signalling start of query */ |
| if (!have_post) { |
| if (strncmp(inbuf, "POST", 4)) { |
| BIO_printf(bio_err, "Invalid request\n"); |
| return 1; |
| } |
| have_post = 1; |
| } |
| /* Look for end of headers */ |
| if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) |
| break; |
| } |
| |
| /* Try to read OCSP request */ |
| |
| req = d2i_OCSP_REQUEST_bio(cbio, NULL); |
| |
| if (!req) { |
| BIO_printf(bio_err, "Error parsing OCSP request\n"); |
| ERR_print_errors(bio_err); |
| } |
| |
| *preq = req; |
| |
| return 1; |
| |
| } |
| |
| static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) |
| { |
| char http_resp[] = |
| "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" |
| "Content-Length: %d\r\n\r\n"; |
| if (!cbio) |
| return 0; |
| BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); |
| i2d_OCSP_RESPONSE_bio(cbio, resp); |
| (void)BIO_flush(cbio); |
| return 1; |
| } |
| |
| static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, |
| STACK_OF(CONF_VALUE) *headers, |
| OCSP_REQUEST *req, int req_timeout) |
| { |
| int fd; |
| int rv; |
| int i; |
| OCSP_REQ_CTX *ctx = NULL; |
| OCSP_RESPONSE *rsp = NULL; |
| fd_set confds; |
| struct timeval tv; |
| |
| if (req_timeout != -1) |
| BIO_set_nbio(cbio, 1); |
| |
| rv = BIO_do_connect(cbio); |
| |
| if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) { |
| BIO_puts(err, "Error connecting BIO\n"); |
| return NULL; |
| } |
| |
| if (BIO_get_fd(cbio, &fd) < 0) { |
| BIO_puts(bio_err, "Can't get connection fd\n"); |
| goto err; |
| } |
| |
| if (req_timeout != -1 && rv <= 0) { |
| FD_ZERO(&confds); |
| openssl_fdset(fd, &confds); |
| tv.tv_usec = 0; |
| tv.tv_sec = req_timeout; |
| rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); |
| if (rv == 0) { |
| BIO_puts(err, "Timeout on connect\n"); |
| return NULL; |
| } |
| } |
| |
| ctx = OCSP_sendreq_new(cbio, path, NULL, -1); |
| if (!ctx) |
| return NULL; |
| |
| for (i = 0; i < sk_CONF_VALUE_num(headers); i++) { |
| CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i); |
| if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value)) |
| goto err; |
| } |
| |
| if (!OCSP_REQ_CTX_set1_req(ctx, req)) |
| goto err; |
| |
| for (;;) { |
| rv = OCSP_sendreq_nbio(&rsp, ctx); |
| if (rv != -1) |
| break; |
| if (req_timeout == -1) |
| continue; |
| FD_ZERO(&confds); |
| openssl_fdset(fd, &confds); |
| tv.tv_usec = 0; |
| tv.tv_sec = req_timeout; |
| if (BIO_should_read(cbio)) |
| rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv); |
| else if (BIO_should_write(cbio)) |
| rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); |
| else { |
| BIO_puts(err, "Unexpected retry condition\n"); |
| goto err; |
| } |
| if (rv == 0) { |
| BIO_puts(err, "Timeout on request\n"); |
| break; |
| } |
| if (rv == -1) { |
| BIO_puts(err, "Select error\n"); |
| break; |
| } |
| |
| } |
| err: |
| if (ctx) |
| OCSP_REQ_CTX_free(ctx); |
| |
| return rsp; |
| } |
| |
| OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req, |
| char *host, char *path, char *port, |
| int use_ssl, STACK_OF(CONF_VALUE) *headers, |
| int req_timeout) |
| { |
| BIO *cbio = NULL; |
| SSL_CTX *ctx = NULL; |
| OCSP_RESPONSE *resp = NULL; |
| cbio = BIO_new_connect(host); |
| if (!cbio) { |
| BIO_printf(err, "Error creating connect BIO\n"); |
| goto end; |
| } |
| if (port) |
| BIO_set_conn_port(cbio, port); |
| if (use_ssl == 1) { |
| BIO *sbio; |
| ctx = SSL_CTX_new(SSLv23_client_method()); |
| if (ctx == NULL) { |
| BIO_printf(err, "Error creating SSL context.\n"); |
| goto end; |
| } |
| SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); |
| sbio = BIO_new_ssl(ctx, 1); |
| cbio = BIO_push(sbio, cbio); |
| } |
| resp = query_responder(err, cbio, path, headers, req, req_timeout); |
| if (!resp) |
| BIO_printf(bio_err, "Error querying OCSP responder\n"); |
| end: |
| if (cbio) |
| BIO_free_all(cbio); |
| if (ctx) |
| SSL_CTX_free(ctx); |
| return resp; |
| } |
| |
| #endif |