diff options
Diffstat (limited to 'openssl/apps/ocsp.c')
| -rw-r--r-- | openssl/apps/ocsp.c | 1421 |
1 files changed, 1421 insertions, 0 deletions
diff --git a/openssl/apps/ocsp.c b/openssl/apps/ocsp.c new file mode 100644 index 00000000..01847dfa --- /dev/null +++ b/openssl/apps/ocsp.c @@ -0,0 +1,1421 @@ +/* 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 *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 (args[1]) + { + args++; + if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl)) + { + BIO_printf(bio_err, "Error parsing URL\n"); + badarg = 1; + } + } + 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, "-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"); + 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 (use_ssl != -1) + { + OPENSSL_free(host); + OPENSSL_free(port); + OPENSSL_free(path); + } + + 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_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24 ); + + /* 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(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; +#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) + ctx = SSL_CTX_new(SSLv23_client_method()); +#elif !defined(OPENSSL_NO_SSL3) + ctx = SSL_CTX_new(SSLv3_client_method()); +#elif !defined(OPENSSL_NO_SSL2) + ctx = SSL_CTX_new(SSLv2_client_method()); +#else + BIO_printf(err, "SSL is disabled\n"); + goto end; +#endif + 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 responsder\n"); + end: + if (cbio) + BIO_free_all(cbio); + if (ctx) + SSL_CTX_free(ctx); + return resp; + } + +#endif |