1109998Smarkm/* ocsp.c */ 2280304Sjkim/* 3280304Sjkim * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4280304Sjkim * 2000. 5109998Smarkm */ 6109998Smarkm/* ==================================================================== 7109998Smarkm * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 8109998Smarkm * 9109998Smarkm * Redistribution and use in source and binary forms, with or without 10109998Smarkm * modification, are permitted provided that the following conditions 11109998Smarkm * are met: 12109998Smarkm * 13109998Smarkm * 1. Redistributions of source code must retain the above copyright 14280304Sjkim * notice, this list of conditions and the following disclaimer. 15109998Smarkm * 16109998Smarkm * 2. Redistributions in binary form must reproduce the above copyright 17109998Smarkm * notice, this list of conditions and the following disclaimer in 18109998Smarkm * the documentation and/or other materials provided with the 19109998Smarkm * distribution. 20109998Smarkm * 21109998Smarkm * 3. All advertising materials mentioning features or use of this 22109998Smarkm * software must display the following acknowledgment: 23109998Smarkm * "This product includes software developed by the OpenSSL Project 24109998Smarkm * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25109998Smarkm * 26109998Smarkm * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27109998Smarkm * endorse or promote products derived from this software without 28109998Smarkm * prior written permission. For written permission, please contact 29109998Smarkm * licensing@OpenSSL.org. 30109998Smarkm * 31109998Smarkm * 5. Products derived from this software may not be called "OpenSSL" 32109998Smarkm * nor may "OpenSSL" appear in their names without prior written 33109998Smarkm * permission of the OpenSSL Project. 34109998Smarkm * 35109998Smarkm * 6. Redistributions of any form whatsoever must retain the following 36109998Smarkm * acknowledgment: 37109998Smarkm * "This product includes software developed by the OpenSSL Project 38109998Smarkm * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39109998Smarkm * 40109998Smarkm * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41109998Smarkm * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42109998Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43109998Smarkm * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44109998Smarkm * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45109998Smarkm * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46109998Smarkm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47109998Smarkm * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48109998Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49109998Smarkm * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50109998Smarkm * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51109998Smarkm * OF THE POSSIBILITY OF SUCH DAMAGE. 52109998Smarkm * ==================================================================== 53109998Smarkm * 54109998Smarkm * This product includes cryptographic software written by Eric Young 55109998Smarkm * (eay@cryptsoft.com). This product includes software written by Tim 56109998Smarkm * Hudson (tjh@cryptsoft.com). 57109998Smarkm * 58109998Smarkm */ 59111147Snectar#ifndef OPENSSL_NO_OCSP 60238405Sjkim 61280304Sjkim# ifdef OPENSSL_SYS_VMS 62280304Sjkim# define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined 63280304Sjkim * on OpenVMS */ 64280304Sjkim# endif 65238405Sjkim 66280304Sjkim# define USE_SOCKETS 67238405Sjkim 68280304Sjkim# include <stdio.h> 69280304Sjkim# include <stdlib.h> 70280304Sjkim# include <string.h> 71280304Sjkim# include <time.h> 72280304Sjkim# include "apps.h" /* needs to be included before the openssl 73280304Sjkim * headers! */ 74280304Sjkim# include <openssl/e_os2.h> 75280304Sjkim# include <openssl/crypto.h> 76280304Sjkim# include <openssl/err.h> 77280304Sjkim# include <openssl/ssl.h> 78280304Sjkim# include <openssl/evp.h> 79280304Sjkim# include <openssl/bn.h> 80280304Sjkim# include <openssl/x509v3.h> 81109998Smarkm 82280304Sjkim# if defined(NETWARE_CLIB) 83238405Sjkim# ifdef NETWARE_BSDSOCK 84280304Sjkim# include <sys/socket.h> 85280304Sjkim# include <sys/bsdskt.h> 86238405Sjkim# else 87280304Sjkim# include <novsock2.h> 88238405Sjkim# endif 89280304Sjkim# elif defined(NETWARE_LIBC) 90238405Sjkim# ifdef NETWARE_BSDSOCK 91280304Sjkim# include <sys/select.h> 92238405Sjkim# else 93280304Sjkim# include <novsock2.h> 94238405Sjkim# endif 95280304Sjkim# endif 96280304Sjkim 97109998Smarkm/* Maximum leeway in validity period: default 5 minutes */ 98280304Sjkim# define MAX_VALIDITY_PERIOD (5 * 60) 99109998Smarkm 100280304Sjkimstatic int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, 101280304Sjkim const EVP_MD *cert_id_md, X509 *issuer, 102280304Sjkim STACK_OF(OCSP_CERTID) *ids); 103280304Sjkimstatic int add_ocsp_serial(OCSP_REQUEST **req, char *serial, 104280304Sjkim const EVP_MD *cert_id_md, X509 *issuer, 105280304Sjkim STACK_OF(OCSP_CERTID) *ids); 106109998Smarkmstatic int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, 107280304Sjkim STACK_OF(OPENSSL_STRING) *names, 108280304Sjkim STACK_OF(OCSP_CERTID) *ids, long nsec, 109280304Sjkim long maxage); 110109998Smarkm 111280304Sjkimstatic int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, 112280304Sjkim CA_DB *db, X509 *ca, X509 *rcert, 113280304Sjkim EVP_PKEY *rkey, STACK_OF(X509) *rother, 114280304Sjkim unsigned long flags, int nmin, int ndays); 115109998Smarkm 116127128Snectarstatic char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser); 117109998Smarkmstatic BIO *init_responder(char *port); 118280304Sjkimstatic int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, 119280304Sjkim char *port); 120109998Smarkmstatic int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); 121194206Ssimonstatic OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, 122280304Sjkim STACK_OF(CONF_VALUE) *headers, 123280304Sjkim OCSP_REQUEST *req, int req_timeout); 124109998Smarkm 125280304Sjkim# undef PROG 126280304Sjkim# define PROG ocsp_main 127109998Smarkm 128109998Smarkmint MAIN(int, char **); 129109998Smarkm 130109998Smarkmint MAIN(int argc, char **argv) 131280304Sjkim{ 132280304Sjkim ENGINE *e = NULL; 133280304Sjkim char **args; 134280304Sjkim char *host = NULL, *port = NULL, *path = "/"; 135280304Sjkim char *thost = NULL, *tport = NULL, *tpath = NULL; 136280304Sjkim char *reqin = NULL, *respin = NULL; 137280304Sjkim char *reqout = NULL, *respout = NULL; 138280304Sjkim char *signfile = NULL, *keyfile = NULL; 139280304Sjkim char *rsignfile = NULL, *rkeyfile = NULL; 140280304Sjkim char *outfile = NULL; 141280304Sjkim int add_nonce = 1, noverify = 0, use_ssl = -1; 142280304Sjkim STACK_OF(CONF_VALUE) *headers = NULL; 143280304Sjkim OCSP_REQUEST *req = NULL; 144280304Sjkim OCSP_RESPONSE *resp = NULL; 145280304Sjkim OCSP_BASICRESP *bs = NULL; 146280304Sjkim X509 *issuer = NULL, *cert = NULL; 147280304Sjkim X509 *signer = NULL, *rsigner = NULL; 148280304Sjkim EVP_PKEY *key = NULL, *rkey = NULL; 149280304Sjkim BIO *acbio = NULL, *cbio = NULL; 150280304Sjkim BIO *derbio = NULL; 151280304Sjkim BIO *out = NULL; 152280304Sjkim int req_timeout = -1; 153280304Sjkim int req_text = 0, resp_text = 0; 154280304Sjkim long nsec = MAX_VALIDITY_PERIOD, maxage = -1; 155280304Sjkim char *CAfile = NULL, *CApath = NULL; 156280304Sjkim X509_STORE *store = NULL; 157280304Sjkim STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL; 158280304Sjkim char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL; 159280304Sjkim unsigned long sign_flags = 0, verify_flags = 0, rflags = 0; 160280304Sjkim int ret = 1; 161280304Sjkim int accept_count = -1; 162280304Sjkim int badarg = 0; 163280304Sjkim int i; 164280304Sjkim int ignore_err = 0; 165280304Sjkim STACK_OF(OPENSSL_STRING) *reqnames = NULL; 166280304Sjkim STACK_OF(OCSP_CERTID) *ids = NULL; 167109998Smarkm 168280304Sjkim X509 *rca_cert = NULL; 169280304Sjkim char *ridx_filename = NULL; 170280304Sjkim char *rca_filename = NULL; 171280304Sjkim CA_DB *rdb = NULL; 172280304Sjkim int nmin = 0, ndays = -1; 173280304Sjkim const EVP_MD *cert_id_md = NULL; 174109998Smarkm 175280304Sjkim if (bio_err == NULL) 176280304Sjkim bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 177109998Smarkm 178280304Sjkim if (!load_config(bio_err, NULL)) 179280304Sjkim goto end; 180280304Sjkim SSL_load_error_strings(); 181280304Sjkim OpenSSL_add_ssl_algorithms(); 182280304Sjkim args = argv + 1; 183280304Sjkim reqnames = sk_OPENSSL_STRING_new_null(); 184280304Sjkim ids = sk_OCSP_CERTID_new_null(); 185280304Sjkim while (!badarg && *args && *args[0] == '-') { 186280304Sjkim if (!strcmp(*args, "-out")) { 187280304Sjkim if (args[1]) { 188280304Sjkim args++; 189280304Sjkim outfile = *args; 190280304Sjkim } else 191280304Sjkim badarg = 1; 192280304Sjkim } else if (!strcmp(*args, "-timeout")) { 193280304Sjkim if (args[1]) { 194280304Sjkim args++; 195280304Sjkim req_timeout = atol(*args); 196280304Sjkim if (req_timeout < 0) { 197280304Sjkim BIO_printf(bio_err, "Illegal timeout value %s\n", *args); 198280304Sjkim badarg = 1; 199280304Sjkim } 200280304Sjkim } else 201280304Sjkim badarg = 1; 202280304Sjkim } else if (!strcmp(*args, "-url")) { 203280304Sjkim if (thost) 204280304Sjkim OPENSSL_free(thost); 205280304Sjkim if (tport) 206280304Sjkim OPENSSL_free(tport); 207280304Sjkim if (tpath) 208280304Sjkim OPENSSL_free(tpath); 209280304Sjkim if (args[1]) { 210280304Sjkim args++; 211280304Sjkim if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl)) { 212280304Sjkim BIO_printf(bio_err, "Error parsing URL\n"); 213280304Sjkim badarg = 1; 214280304Sjkim } 215280304Sjkim thost = host; 216280304Sjkim tport = port; 217280304Sjkim tpath = path; 218280304Sjkim } else 219280304Sjkim badarg = 1; 220280304Sjkim } else if (!strcmp(*args, "-host")) { 221280304Sjkim if (args[1]) { 222280304Sjkim args++; 223280304Sjkim host = *args; 224280304Sjkim } else 225280304Sjkim badarg = 1; 226280304Sjkim } else if (!strcmp(*args, "-port")) { 227280304Sjkim if (args[1]) { 228280304Sjkim args++; 229280304Sjkim port = *args; 230280304Sjkim } else 231280304Sjkim badarg = 1; 232280304Sjkim } else if (!strcmp(*args, "-header")) { 233280304Sjkim if (args[1] && args[2]) { 234280304Sjkim if (!X509V3_add_value(args[1], args[2], &headers)) 235280304Sjkim goto end; 236280304Sjkim args += 2; 237280304Sjkim } else 238280304Sjkim badarg = 1; 239280304Sjkim } else if (!strcmp(*args, "-ignore_err")) 240280304Sjkim ignore_err = 1; 241280304Sjkim else if (!strcmp(*args, "-noverify")) 242280304Sjkim noverify = 1; 243280304Sjkim else if (!strcmp(*args, "-nonce")) 244280304Sjkim add_nonce = 2; 245280304Sjkim else if (!strcmp(*args, "-no_nonce")) 246280304Sjkim add_nonce = 0; 247280304Sjkim else if (!strcmp(*args, "-resp_no_certs")) 248280304Sjkim rflags |= OCSP_NOCERTS; 249280304Sjkim else if (!strcmp(*args, "-resp_key_id")) 250280304Sjkim rflags |= OCSP_RESPID_KEY; 251280304Sjkim else if (!strcmp(*args, "-no_certs")) 252280304Sjkim sign_flags |= OCSP_NOCERTS; 253280304Sjkim else if (!strcmp(*args, "-no_signature_verify")) 254280304Sjkim verify_flags |= OCSP_NOSIGS; 255280304Sjkim else if (!strcmp(*args, "-no_cert_verify")) 256280304Sjkim verify_flags |= OCSP_NOVERIFY; 257280304Sjkim else if (!strcmp(*args, "-no_chain")) 258280304Sjkim verify_flags |= OCSP_NOCHAIN; 259280304Sjkim else if (!strcmp(*args, "-no_cert_checks")) 260280304Sjkim verify_flags |= OCSP_NOCHECKS; 261280304Sjkim else if (!strcmp(*args, "-no_explicit")) 262280304Sjkim verify_flags |= OCSP_NOEXPLICIT; 263280304Sjkim else if (!strcmp(*args, "-trust_other")) 264280304Sjkim verify_flags |= OCSP_TRUSTOTHER; 265280304Sjkim else if (!strcmp(*args, "-no_intern")) 266280304Sjkim verify_flags |= OCSP_NOINTERN; 267280304Sjkim else if (!strcmp(*args, "-text")) { 268280304Sjkim req_text = 1; 269280304Sjkim resp_text = 1; 270280304Sjkim } else if (!strcmp(*args, "-req_text")) 271280304Sjkim req_text = 1; 272280304Sjkim else if (!strcmp(*args, "-resp_text")) 273280304Sjkim resp_text = 1; 274280304Sjkim else if (!strcmp(*args, "-reqin")) { 275280304Sjkim if (args[1]) { 276280304Sjkim args++; 277280304Sjkim reqin = *args; 278280304Sjkim } else 279280304Sjkim badarg = 1; 280280304Sjkim } else if (!strcmp(*args, "-respin")) { 281280304Sjkim if (args[1]) { 282280304Sjkim args++; 283280304Sjkim respin = *args; 284280304Sjkim } else 285280304Sjkim badarg = 1; 286280304Sjkim } else if (!strcmp(*args, "-signer")) { 287280304Sjkim if (args[1]) { 288280304Sjkim args++; 289280304Sjkim signfile = *args; 290280304Sjkim } else 291280304Sjkim badarg = 1; 292280304Sjkim } else if (!strcmp(*args, "-VAfile")) { 293280304Sjkim if (args[1]) { 294280304Sjkim args++; 295280304Sjkim verify_certfile = *args; 296280304Sjkim verify_flags |= OCSP_TRUSTOTHER; 297280304Sjkim } else 298280304Sjkim badarg = 1; 299280304Sjkim } else if (!strcmp(*args, "-sign_other")) { 300280304Sjkim if (args[1]) { 301280304Sjkim args++; 302280304Sjkim sign_certfile = *args; 303280304Sjkim } else 304280304Sjkim badarg = 1; 305280304Sjkim } else if (!strcmp(*args, "-verify_other")) { 306280304Sjkim if (args[1]) { 307280304Sjkim args++; 308280304Sjkim verify_certfile = *args; 309280304Sjkim } else 310280304Sjkim badarg = 1; 311280304Sjkim } else if (!strcmp(*args, "-CAfile")) { 312280304Sjkim if (args[1]) { 313280304Sjkim args++; 314280304Sjkim CAfile = *args; 315280304Sjkim } else 316280304Sjkim badarg = 1; 317280304Sjkim } else if (!strcmp(*args, "-CApath")) { 318280304Sjkim if (args[1]) { 319280304Sjkim args++; 320280304Sjkim CApath = *args; 321280304Sjkim } else 322280304Sjkim badarg = 1; 323280304Sjkim } else if (!strcmp(*args, "-validity_period")) { 324280304Sjkim if (args[1]) { 325280304Sjkim args++; 326280304Sjkim nsec = atol(*args); 327280304Sjkim if (nsec < 0) { 328280304Sjkim BIO_printf(bio_err, 329280304Sjkim "Illegal validity period %s\n", *args); 330280304Sjkim badarg = 1; 331280304Sjkim } 332280304Sjkim } else 333280304Sjkim badarg = 1; 334280304Sjkim } else if (!strcmp(*args, "-status_age")) { 335280304Sjkim if (args[1]) { 336280304Sjkim args++; 337280304Sjkim maxage = atol(*args); 338280304Sjkim if (maxage < 0) { 339280304Sjkim BIO_printf(bio_err, "Illegal validity age %s\n", *args); 340280304Sjkim badarg = 1; 341280304Sjkim } 342280304Sjkim } else 343280304Sjkim badarg = 1; 344280304Sjkim } else if (!strcmp(*args, "-signkey")) { 345280304Sjkim if (args[1]) { 346280304Sjkim args++; 347280304Sjkim keyfile = *args; 348280304Sjkim } else 349280304Sjkim badarg = 1; 350280304Sjkim } else if (!strcmp(*args, "-reqout")) { 351280304Sjkim if (args[1]) { 352280304Sjkim args++; 353280304Sjkim reqout = *args; 354280304Sjkim } else 355280304Sjkim badarg = 1; 356280304Sjkim } else if (!strcmp(*args, "-respout")) { 357280304Sjkim if (args[1]) { 358280304Sjkim args++; 359280304Sjkim respout = *args; 360280304Sjkim } else 361280304Sjkim badarg = 1; 362280304Sjkim } else if (!strcmp(*args, "-path")) { 363280304Sjkim if (args[1]) { 364280304Sjkim args++; 365280304Sjkim path = *args; 366280304Sjkim } else 367280304Sjkim badarg = 1; 368280304Sjkim } else if (!strcmp(*args, "-issuer")) { 369280304Sjkim if (args[1]) { 370280304Sjkim args++; 371280304Sjkim X509_free(issuer); 372280304Sjkim issuer = load_cert(bio_err, *args, FORMAT_PEM, 373280304Sjkim NULL, e, "issuer certificate"); 374280304Sjkim if (!issuer) 375280304Sjkim goto end; 376280304Sjkim } else 377280304Sjkim badarg = 1; 378280304Sjkim } else if (!strcmp(*args, "-cert")) { 379280304Sjkim if (args[1]) { 380280304Sjkim args++; 381280304Sjkim X509_free(cert); 382280304Sjkim cert = load_cert(bio_err, *args, FORMAT_PEM, 383280304Sjkim NULL, e, "certificate"); 384280304Sjkim if (!cert) 385280304Sjkim goto end; 386280304Sjkim if (!cert_id_md) 387280304Sjkim cert_id_md = EVP_sha1(); 388280304Sjkim if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids)) 389280304Sjkim goto end; 390280304Sjkim if (!sk_OPENSSL_STRING_push(reqnames, *args)) 391280304Sjkim goto end; 392280304Sjkim } else 393280304Sjkim badarg = 1; 394280304Sjkim } else if (!strcmp(*args, "-serial")) { 395280304Sjkim if (args[1]) { 396280304Sjkim args++; 397280304Sjkim if (!cert_id_md) 398280304Sjkim cert_id_md = EVP_sha1(); 399280304Sjkim if (!add_ocsp_serial(&req, *args, cert_id_md, issuer, ids)) 400280304Sjkim goto end; 401280304Sjkim if (!sk_OPENSSL_STRING_push(reqnames, *args)) 402280304Sjkim goto end; 403280304Sjkim } else 404280304Sjkim badarg = 1; 405280304Sjkim } else if (!strcmp(*args, "-index")) { 406280304Sjkim if (args[1]) { 407280304Sjkim args++; 408280304Sjkim ridx_filename = *args; 409280304Sjkim } else 410280304Sjkim badarg = 1; 411280304Sjkim } else if (!strcmp(*args, "-CA")) { 412280304Sjkim if (args[1]) { 413280304Sjkim args++; 414280304Sjkim rca_filename = *args; 415280304Sjkim } else 416280304Sjkim badarg = 1; 417280304Sjkim } else if (!strcmp(*args, "-nmin")) { 418280304Sjkim if (args[1]) { 419280304Sjkim args++; 420280304Sjkim nmin = atol(*args); 421280304Sjkim if (nmin < 0) { 422280304Sjkim BIO_printf(bio_err, "Illegal update period %s\n", *args); 423280304Sjkim badarg = 1; 424280304Sjkim } 425280304Sjkim } 426280304Sjkim if (ndays == -1) 427280304Sjkim ndays = 0; 428280304Sjkim else 429280304Sjkim badarg = 1; 430280304Sjkim } else if (!strcmp(*args, "-nrequest")) { 431280304Sjkim if (args[1]) { 432280304Sjkim args++; 433280304Sjkim accept_count = atol(*args); 434280304Sjkim if (accept_count < 0) { 435280304Sjkim BIO_printf(bio_err, "Illegal accept count %s\n", *args); 436280304Sjkim badarg = 1; 437280304Sjkim } 438280304Sjkim } else 439280304Sjkim badarg = 1; 440280304Sjkim } else if (!strcmp(*args, "-ndays")) { 441280304Sjkim if (args[1]) { 442280304Sjkim args++; 443280304Sjkim ndays = atol(*args); 444280304Sjkim if (ndays < 0) { 445280304Sjkim BIO_printf(bio_err, "Illegal update period %s\n", *args); 446280304Sjkim badarg = 1; 447280304Sjkim } 448280304Sjkim } else 449280304Sjkim badarg = 1; 450280304Sjkim } else if (!strcmp(*args, "-rsigner")) { 451280304Sjkim if (args[1]) { 452280304Sjkim args++; 453280304Sjkim rsignfile = *args; 454280304Sjkim } else 455280304Sjkim badarg = 1; 456280304Sjkim } else if (!strcmp(*args, "-rkey")) { 457280304Sjkim if (args[1]) { 458280304Sjkim args++; 459280304Sjkim rkeyfile = *args; 460280304Sjkim } else 461280304Sjkim badarg = 1; 462280304Sjkim } else if (!strcmp(*args, "-rother")) { 463280304Sjkim if (args[1]) { 464280304Sjkim args++; 465280304Sjkim rcertfile = *args; 466280304Sjkim } else 467280304Sjkim badarg = 1; 468280304Sjkim } else if ((cert_id_md = EVP_get_digestbyname((*args) + 1)) == NULL) { 469280304Sjkim badarg = 1; 470280304Sjkim } 471280304Sjkim args++; 472280304Sjkim } 473109998Smarkm 474280304Sjkim /* Have we anything to do? */ 475280304Sjkim if (!req && !reqin && !respin && !(port && ridx_filename)) 476280304Sjkim badarg = 1; 477109998Smarkm 478280304Sjkim if (badarg) { 479280304Sjkim BIO_printf(bio_err, "OCSP utility\n"); 480280304Sjkim BIO_printf(bio_err, "Usage ocsp [options]\n"); 481280304Sjkim BIO_printf(bio_err, "where options are\n"); 482280304Sjkim BIO_printf(bio_err, "-out file output filename\n"); 483280304Sjkim BIO_printf(bio_err, "-issuer file issuer certificate\n"); 484280304Sjkim BIO_printf(bio_err, "-cert file certificate to check\n"); 485280304Sjkim BIO_printf(bio_err, "-serial n serial number to check\n"); 486280304Sjkim BIO_printf(bio_err, 487280304Sjkim "-signer file certificate to sign OCSP request with\n"); 488280304Sjkim BIO_printf(bio_err, 489280304Sjkim "-signkey file private key to sign OCSP request with\n"); 490280304Sjkim BIO_printf(bio_err, 491280304Sjkim "-sign_other file additional certificates to include in signed request\n"); 492280304Sjkim BIO_printf(bio_err, 493280304Sjkim "-no_certs don't include any certificates in signed request\n"); 494280304Sjkim BIO_printf(bio_err, 495280304Sjkim "-req_text print text form of request\n"); 496280304Sjkim BIO_printf(bio_err, 497280304Sjkim "-resp_text print text form of response\n"); 498280304Sjkim BIO_printf(bio_err, 499280304Sjkim "-text print text form of request and response\n"); 500280304Sjkim BIO_printf(bio_err, 501280304Sjkim "-reqout file write DER encoded OCSP request to \"file\"\n"); 502280304Sjkim BIO_printf(bio_err, 503280304Sjkim "-respout file write DER encoded OCSP reponse to \"file\"\n"); 504280304Sjkim BIO_printf(bio_err, 505280304Sjkim "-reqin file read DER encoded OCSP request from \"file\"\n"); 506280304Sjkim BIO_printf(bio_err, 507280304Sjkim "-respin file read DER encoded OCSP reponse from \"file\"\n"); 508280304Sjkim BIO_printf(bio_err, 509280304Sjkim "-nonce add OCSP nonce to request\n"); 510280304Sjkim BIO_printf(bio_err, 511280304Sjkim "-no_nonce don't add OCSP nonce to request\n"); 512280304Sjkim BIO_printf(bio_err, "-url URL OCSP responder URL\n"); 513280304Sjkim BIO_printf(bio_err, 514280304Sjkim "-host host:n send OCSP request to host on port n\n"); 515280304Sjkim BIO_printf(bio_err, 516280304Sjkim "-path path to use in OCSP request\n"); 517280304Sjkim BIO_printf(bio_err, 518280304Sjkim "-CApath dir trusted certificates directory\n"); 519280304Sjkim BIO_printf(bio_err, 520280304Sjkim "-CAfile file trusted certificates file\n"); 521280304Sjkim BIO_printf(bio_err, 522284285Sjkim "-no_alt_chains only ever use the first certificate chain found\n"); 523284285Sjkim BIO_printf(bio_err, 524280304Sjkim "-VAfile file validator certificates file\n"); 525280304Sjkim BIO_printf(bio_err, 526280304Sjkim "-validity_period n maximum validity discrepancy in seconds\n"); 527280304Sjkim BIO_printf(bio_err, 528280304Sjkim "-status_age n maximum status age in seconds\n"); 529280304Sjkim BIO_printf(bio_err, 530280304Sjkim "-noverify don't verify response at all\n"); 531280304Sjkim BIO_printf(bio_err, 532280304Sjkim "-verify_other file additional certificates to search for signer\n"); 533280304Sjkim BIO_printf(bio_err, 534280304Sjkim "-trust_other don't verify additional certificates\n"); 535280304Sjkim BIO_printf(bio_err, 536280304Sjkim "-no_intern don't search certificates contained in response for signer\n"); 537280304Sjkim BIO_printf(bio_err, 538280304Sjkim "-no_signature_verify don't check signature on response\n"); 539280304Sjkim BIO_printf(bio_err, 540280304Sjkim "-no_cert_verify don't check signing certificate\n"); 541280304Sjkim BIO_printf(bio_err, 542280304Sjkim "-no_chain don't chain verify response\n"); 543280304Sjkim BIO_printf(bio_err, 544280304Sjkim "-no_cert_checks don't do additional checks on signing certificate\n"); 545280304Sjkim BIO_printf(bio_err, 546280304Sjkim "-port num port to run responder on\n"); 547280304Sjkim BIO_printf(bio_err, 548280304Sjkim "-index file certificate status index file\n"); 549280304Sjkim BIO_printf(bio_err, "-CA file CA certificate\n"); 550280304Sjkim BIO_printf(bio_err, 551280304Sjkim "-rsigner file responder certificate to sign responses with\n"); 552280304Sjkim BIO_printf(bio_err, 553280304Sjkim "-rkey file responder key to sign responses with\n"); 554280304Sjkim BIO_printf(bio_err, 555280304Sjkim "-rother file other certificates to include in response\n"); 556280304Sjkim BIO_printf(bio_err, 557280304Sjkim "-resp_no_certs don't include any certificates in response\n"); 558280304Sjkim BIO_printf(bio_err, 559280304Sjkim "-nmin n number of minutes before next update\n"); 560280304Sjkim BIO_printf(bio_err, 561280304Sjkim "-ndays n number of days before next update\n"); 562280304Sjkim BIO_printf(bio_err, 563280304Sjkim "-resp_key_id identify reponse by signing certificate key ID\n"); 564280304Sjkim BIO_printf(bio_err, 565280304Sjkim "-nrequest n number of requests to accept (default unlimited)\n"); 566280304Sjkim BIO_printf(bio_err, 567280304Sjkim "-<dgst alg> use specified digest in the request\n"); 568280304Sjkim BIO_printf(bio_err, 569280304Sjkim "-timeout n timeout connection to OCSP responder after n seconds\n"); 570280304Sjkim goto end; 571280304Sjkim } 572109998Smarkm 573280304Sjkim if (outfile) 574280304Sjkim out = BIO_new_file(outfile, "w"); 575280304Sjkim else 576280304Sjkim out = BIO_new_fp(stdout, BIO_NOCLOSE); 577109998Smarkm 578280304Sjkim if (!out) { 579280304Sjkim BIO_printf(bio_err, "Error opening output file\n"); 580280304Sjkim goto end; 581280304Sjkim } 582109998Smarkm 583280304Sjkim if (!req && (add_nonce != 2)) 584280304Sjkim add_nonce = 0; 585109998Smarkm 586280304Sjkim if (!req && reqin) { 587280304Sjkim derbio = BIO_new_file(reqin, "rb"); 588280304Sjkim if (!derbio) { 589280304Sjkim BIO_printf(bio_err, "Error Opening OCSP request file\n"); 590280304Sjkim goto end; 591280304Sjkim } 592280304Sjkim req = d2i_OCSP_REQUEST_bio(derbio, NULL); 593280304Sjkim BIO_free(derbio); 594280304Sjkim if (!req) { 595280304Sjkim BIO_printf(bio_err, "Error reading OCSP request\n"); 596280304Sjkim goto end; 597280304Sjkim } 598280304Sjkim } 599109998Smarkm 600280304Sjkim if (!req && port) { 601280304Sjkim acbio = init_responder(port); 602280304Sjkim if (!acbio) 603280304Sjkim goto end; 604280304Sjkim } 605109998Smarkm 606280304Sjkim if (rsignfile && !rdb) { 607280304Sjkim if (!rkeyfile) 608280304Sjkim rkeyfile = rsignfile; 609280304Sjkim rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM, 610280304Sjkim NULL, e, "responder certificate"); 611280304Sjkim if (!rsigner) { 612280304Sjkim BIO_printf(bio_err, "Error loading responder certificate\n"); 613280304Sjkim goto end; 614280304Sjkim } 615280304Sjkim rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM, 616280304Sjkim NULL, e, "CA certificate"); 617280304Sjkim if (rcertfile) { 618280304Sjkim rother = load_certs(bio_err, rcertfile, FORMAT_PEM, 619280304Sjkim NULL, e, "responder other certificates"); 620280304Sjkim if (!rother) 621280304Sjkim goto end; 622280304Sjkim } 623280304Sjkim rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL, 624280304Sjkim "responder private key"); 625280304Sjkim if (!rkey) 626280304Sjkim goto end; 627280304Sjkim } 628280304Sjkim if (acbio) 629280304Sjkim BIO_printf(bio_err, "Waiting for OCSP client connections...\n"); 630109998Smarkm 631280304Sjkim redo_accept: 632109998Smarkm 633280304Sjkim if (acbio) { 634280304Sjkim if (!do_responder(&req, &cbio, acbio, port)) 635280304Sjkim goto end; 636280304Sjkim if (!req) { 637280304Sjkim resp = 638280304Sjkim OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, 639280304Sjkim NULL); 640280304Sjkim send_ocsp_response(cbio, resp); 641280304Sjkim goto done_resp; 642280304Sjkim } 643280304Sjkim } 644109998Smarkm 645280304Sjkim if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) { 646280304Sjkim BIO_printf(bio_err, "Need an OCSP request for this operation!\n"); 647280304Sjkim goto end; 648280304Sjkim } 649109998Smarkm 650280304Sjkim if (req && add_nonce) 651280304Sjkim OCSP_request_add1_nonce(req, NULL, -1); 652109998Smarkm 653280304Sjkim if (signfile) { 654280304Sjkim if (!keyfile) 655280304Sjkim keyfile = signfile; 656280304Sjkim signer = load_cert(bio_err, signfile, FORMAT_PEM, 657280304Sjkim NULL, e, "signer certificate"); 658280304Sjkim if (!signer) { 659280304Sjkim BIO_printf(bio_err, "Error loading signer certificate\n"); 660280304Sjkim goto end; 661280304Sjkim } 662280304Sjkim if (sign_certfile) { 663280304Sjkim sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM, 664280304Sjkim NULL, e, "signer certificates"); 665280304Sjkim if (!sign_other) 666280304Sjkim goto end; 667280304Sjkim } 668280304Sjkim key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL, 669280304Sjkim "signer private key"); 670280304Sjkim if (!key) 671280304Sjkim goto end; 672238405Sjkim 673280304Sjkim if (!OCSP_request_sign 674280304Sjkim (req, signer, key, NULL, sign_other, sign_flags)) { 675280304Sjkim BIO_printf(bio_err, "Error signing OCSP request\n"); 676280304Sjkim goto end; 677280304Sjkim } 678280304Sjkim } 679109998Smarkm 680280304Sjkim if (req_text && req) 681280304Sjkim OCSP_REQUEST_print(out, req, 0); 682109998Smarkm 683280304Sjkim if (reqout) { 684280304Sjkim derbio = BIO_new_file(reqout, "wb"); 685280304Sjkim if (!derbio) { 686280304Sjkim BIO_printf(bio_err, "Error opening file %s\n", reqout); 687280304Sjkim goto end; 688280304Sjkim } 689280304Sjkim i2d_OCSP_REQUEST_bio(derbio, req); 690280304Sjkim BIO_free(derbio); 691280304Sjkim } 692109998Smarkm 693280304Sjkim if (ridx_filename && (!rkey || !rsigner || !rca_cert)) { 694280304Sjkim BIO_printf(bio_err, 695280304Sjkim "Need a responder certificate, key and CA for this operation!\n"); 696280304Sjkim goto end; 697280304Sjkim } 698109998Smarkm 699280304Sjkim if (ridx_filename && !rdb) { 700280304Sjkim rdb = load_index(ridx_filename, NULL); 701280304Sjkim if (!rdb) 702280304Sjkim goto end; 703280304Sjkim if (!index_index(rdb)) 704280304Sjkim goto end; 705280304Sjkim } 706109998Smarkm 707280304Sjkim if (rdb) { 708280304Sjkim i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, 709280304Sjkim rother, rflags, nmin, ndays); 710280304Sjkim if (cbio) 711280304Sjkim send_ocsp_response(cbio, resp); 712280304Sjkim } else if (host) { 713280304Sjkim# ifndef OPENSSL_NO_SOCK 714280304Sjkim resp = process_responder(bio_err, req, host, path, 715280304Sjkim port, use_ssl, headers, req_timeout); 716280304Sjkim if (!resp) 717280304Sjkim goto end; 718280304Sjkim# else 719280304Sjkim BIO_printf(bio_err, 720280304Sjkim "Error creating connect BIO - sockets not supported.\n"); 721280304Sjkim goto end; 722280304Sjkim# endif 723280304Sjkim } else if (respin) { 724280304Sjkim derbio = BIO_new_file(respin, "rb"); 725280304Sjkim if (!derbio) { 726280304Sjkim BIO_printf(bio_err, "Error Opening OCSP response file\n"); 727280304Sjkim goto end; 728280304Sjkim } 729280304Sjkim resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); 730280304Sjkim BIO_free(derbio); 731280304Sjkim if (!resp) { 732280304Sjkim BIO_printf(bio_err, "Error reading OCSP response\n"); 733280304Sjkim goto end; 734280304Sjkim } 735109998Smarkm 736280304Sjkim } else { 737280304Sjkim ret = 0; 738280304Sjkim goto end; 739280304Sjkim } 740109998Smarkm 741280304Sjkim done_resp: 742109998Smarkm 743280304Sjkim if (respout) { 744280304Sjkim derbio = BIO_new_file(respout, "wb"); 745280304Sjkim if (!derbio) { 746280304Sjkim BIO_printf(bio_err, "Error opening file %s\n", respout); 747280304Sjkim goto end; 748280304Sjkim } 749280304Sjkim i2d_OCSP_RESPONSE_bio(derbio, resp); 750280304Sjkim BIO_free(derbio); 751280304Sjkim } 752109998Smarkm 753280304Sjkim i = OCSP_response_status(resp); 754109998Smarkm 755280304Sjkim if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) { 756280304Sjkim BIO_printf(out, "Responder Error: %s (%d)\n", 757280304Sjkim OCSP_response_status_str(i), i); 758280304Sjkim if (ignore_err) 759280304Sjkim goto redo_accept; 760280304Sjkim ret = 0; 761280304Sjkim goto end; 762280304Sjkim } 763109998Smarkm 764280304Sjkim if (resp_text) 765280304Sjkim OCSP_RESPONSE_print(out, resp, 0); 766109998Smarkm 767280304Sjkim /* If running as responder don't verify our own response */ 768280304Sjkim if (cbio) { 769280304Sjkim if (accept_count > 0) 770280304Sjkim accept_count--; 771280304Sjkim /* Redo if more connections needed */ 772280304Sjkim if (accept_count) { 773280304Sjkim BIO_free_all(cbio); 774280304Sjkim cbio = NULL; 775280304Sjkim OCSP_REQUEST_free(req); 776280304Sjkim req = NULL; 777280304Sjkim OCSP_RESPONSE_free(resp); 778280304Sjkim resp = NULL; 779280304Sjkim goto redo_accept; 780280304Sjkim } 781280304Sjkim goto end; 782280304Sjkim } 783109998Smarkm 784280304Sjkim if (!store) 785280304Sjkim store = setup_verify(bio_err, CAfile, CApath); 786280304Sjkim if (!store) 787280304Sjkim goto end; 788280304Sjkim if (verify_certfile) { 789280304Sjkim verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM, 790280304Sjkim NULL, e, "validator certificate"); 791280304Sjkim if (!verify_other) 792280304Sjkim goto end; 793280304Sjkim } 794109998Smarkm 795280304Sjkim bs = OCSP_response_get1_basic(resp); 796109998Smarkm 797280304Sjkim if (!bs) { 798280304Sjkim BIO_printf(bio_err, "Error parsing response\n"); 799280304Sjkim goto end; 800280304Sjkim } 801109998Smarkm 802280304Sjkim if (!noverify) { 803280304Sjkim if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) { 804280304Sjkim if (i == -1) 805280304Sjkim BIO_printf(bio_err, "WARNING: no nonce in response\n"); 806280304Sjkim else { 807280304Sjkim BIO_printf(bio_err, "Nonce Verify error\n"); 808280304Sjkim goto end; 809280304Sjkim } 810280304Sjkim } 811109998Smarkm 812280304Sjkim i = OCSP_basic_verify(bs, verify_other, store, verify_flags); 813280304Sjkim if (i < 0) 814280304Sjkim i = OCSP_basic_verify(bs, NULL, store, 0); 815109998Smarkm 816280304Sjkim if (i <= 0) { 817280304Sjkim BIO_printf(bio_err, "Response Verify Failure\n"); 818280304Sjkim ERR_print_errors(bio_err); 819280304Sjkim } else 820280304Sjkim BIO_printf(bio_err, "Response verify OK\n"); 821109998Smarkm 822280304Sjkim } 823109998Smarkm 824280304Sjkim if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage)) 825280304Sjkim goto end; 826109998Smarkm 827280304Sjkim ret = 0; 828109998Smarkm 829280304Sjkim end: 830280304Sjkim ERR_print_errors(bio_err); 831280304Sjkim X509_free(signer); 832280304Sjkim X509_STORE_free(store); 833280304Sjkim EVP_PKEY_free(key); 834280304Sjkim EVP_PKEY_free(rkey); 835280304Sjkim X509_free(issuer); 836280304Sjkim X509_free(cert); 837280304Sjkim X509_free(rsigner); 838280304Sjkim X509_free(rca_cert); 839280304Sjkim free_index(rdb); 840280304Sjkim BIO_free_all(cbio); 841280304Sjkim BIO_free_all(acbio); 842280304Sjkim BIO_free(out); 843280304Sjkim OCSP_REQUEST_free(req); 844280304Sjkim OCSP_RESPONSE_free(resp); 845280304Sjkim OCSP_BASICRESP_free(bs); 846280304Sjkim sk_OPENSSL_STRING_free(reqnames); 847280304Sjkim sk_OCSP_CERTID_free(ids); 848280304Sjkim sk_X509_pop_free(sign_other, X509_free); 849280304Sjkim sk_X509_pop_free(verify_other, X509_free); 850280304Sjkim sk_CONF_VALUE_pop_free(headers, X509V3_conf_free); 851109998Smarkm 852280304Sjkim if (thost) 853280304Sjkim OPENSSL_free(thost); 854280304Sjkim if (tport) 855280304Sjkim OPENSSL_free(tport); 856280304Sjkim if (tpath) 857280304Sjkim OPENSSL_free(tpath); 858280304Sjkim 859280304Sjkim OPENSSL_EXIT(ret); 860109998Smarkm} 861109998Smarkm 862280304Sjkimstatic int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, 863280304Sjkim const EVP_MD *cert_id_md, X509 *issuer, 864280304Sjkim STACK_OF(OCSP_CERTID) *ids) 865280304Sjkim{ 866280304Sjkim OCSP_CERTID *id; 867280304Sjkim if (!issuer) { 868280304Sjkim BIO_printf(bio_err, "No issuer certificate specified\n"); 869280304Sjkim return 0; 870280304Sjkim } 871280304Sjkim if (!*req) 872280304Sjkim *req = OCSP_REQUEST_new(); 873280304Sjkim if (!*req) 874280304Sjkim goto err; 875280304Sjkim id = OCSP_cert_to_id(cert_id_md, cert, issuer); 876280304Sjkim if (!id || !sk_OCSP_CERTID_push(ids, id)) 877280304Sjkim goto err; 878280304Sjkim if (!OCSP_request_add0_id(*req, id)) 879280304Sjkim goto err; 880280304Sjkim return 1; 881109998Smarkm 882280304Sjkim err: 883280304Sjkim BIO_printf(bio_err, "Error Creating OCSP request\n"); 884280304Sjkim return 0; 885280304Sjkim} 886109998Smarkm 887280304Sjkimstatic int add_ocsp_serial(OCSP_REQUEST **req, char *serial, 888280304Sjkim const EVP_MD *cert_id_md, X509 *issuer, 889280304Sjkim STACK_OF(OCSP_CERTID) *ids) 890280304Sjkim{ 891280304Sjkim OCSP_CERTID *id; 892280304Sjkim X509_NAME *iname; 893280304Sjkim ASN1_BIT_STRING *ikey; 894280304Sjkim ASN1_INTEGER *sno; 895280304Sjkim if (!issuer) { 896280304Sjkim BIO_printf(bio_err, "No issuer certificate specified\n"); 897280304Sjkim return 0; 898280304Sjkim } 899280304Sjkim if (!*req) 900280304Sjkim *req = OCSP_REQUEST_new(); 901280304Sjkim if (!*req) 902280304Sjkim goto err; 903280304Sjkim iname = X509_get_subject_name(issuer); 904280304Sjkim ikey = X509_get0_pubkey_bitstr(issuer); 905280304Sjkim sno = s2i_ASN1_INTEGER(NULL, serial); 906280304Sjkim if (!sno) { 907280304Sjkim BIO_printf(bio_err, "Error converting serial number %s\n", serial); 908280304Sjkim return 0; 909280304Sjkim } 910280304Sjkim id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno); 911280304Sjkim ASN1_INTEGER_free(sno); 912280304Sjkim if (!id || !sk_OCSP_CERTID_push(ids, id)) 913280304Sjkim goto err; 914280304Sjkim if (!OCSP_request_add0_id(*req, id)) 915280304Sjkim goto err; 916280304Sjkim return 1; 917109998Smarkm 918280304Sjkim err: 919280304Sjkim BIO_printf(bio_err, "Error Creating OCSP request\n"); 920280304Sjkim return 0; 921280304Sjkim} 922109998Smarkm 923109998Smarkmstatic int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, 924280304Sjkim STACK_OF(OPENSSL_STRING) *names, 925280304Sjkim STACK_OF(OCSP_CERTID) *ids, long nsec, 926280304Sjkim long maxage) 927280304Sjkim{ 928280304Sjkim OCSP_CERTID *id; 929280304Sjkim char *name; 930280304Sjkim int i; 931109998Smarkm 932280304Sjkim int status, reason; 933109998Smarkm 934280304Sjkim ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; 935109998Smarkm 936280304Sjkim if (!bs || !req || !sk_OPENSSL_STRING_num(names) 937280304Sjkim || !sk_OCSP_CERTID_num(ids)) 938280304Sjkim return 1; 939109998Smarkm 940280304Sjkim for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) { 941280304Sjkim id = sk_OCSP_CERTID_value(ids, i); 942280304Sjkim name = sk_OPENSSL_STRING_value(names, i); 943280304Sjkim BIO_printf(out, "%s: ", name); 944109998Smarkm 945280304Sjkim if (!OCSP_resp_find_status(bs, id, &status, &reason, 946280304Sjkim &rev, &thisupd, &nextupd)) { 947280304Sjkim BIO_puts(out, "ERROR: No Status found.\n"); 948280304Sjkim continue; 949280304Sjkim } 950109998Smarkm 951280304Sjkim /* 952280304Sjkim * Check validity: if invalid write to output BIO so we know which 953280304Sjkim * response this refers to. 954280304Sjkim */ 955280304Sjkim if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) { 956280304Sjkim BIO_puts(out, "WARNING: Status times invalid.\n"); 957280304Sjkim ERR_print_errors(out); 958280304Sjkim } 959280304Sjkim BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); 960109998Smarkm 961280304Sjkim BIO_puts(out, "\tThis Update: "); 962280304Sjkim ASN1_GENERALIZEDTIME_print(out, thisupd); 963280304Sjkim BIO_puts(out, "\n"); 964109998Smarkm 965280304Sjkim if (nextupd) { 966280304Sjkim BIO_puts(out, "\tNext Update: "); 967280304Sjkim ASN1_GENERALIZEDTIME_print(out, nextupd); 968280304Sjkim BIO_puts(out, "\n"); 969280304Sjkim } 970109998Smarkm 971280304Sjkim if (status != V_OCSP_CERTSTATUS_REVOKED) 972280304Sjkim continue; 973109998Smarkm 974280304Sjkim if (reason != -1) 975280304Sjkim BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason)); 976109998Smarkm 977280304Sjkim BIO_puts(out, "\tRevocation Time: "); 978280304Sjkim ASN1_GENERALIZEDTIME_print(out, rev); 979280304Sjkim BIO_puts(out, "\n"); 980280304Sjkim } 981109998Smarkm 982280304Sjkim return 1; 983280304Sjkim} 984109998Smarkm 985280304Sjkimstatic int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, 986280304Sjkim CA_DB *db, X509 *ca, X509 *rcert, 987280304Sjkim EVP_PKEY *rkey, STACK_OF(X509) *rother, 988280304Sjkim unsigned long flags, int nmin, int ndays) 989280304Sjkim{ 990280304Sjkim ASN1_TIME *thisupd = NULL, *nextupd = NULL; 991280304Sjkim OCSP_CERTID *cid, *ca_id = NULL; 992280304Sjkim OCSP_BASICRESP *bs = NULL; 993280304Sjkim int i, id_count, ret = 1; 994109998Smarkm 995280304Sjkim id_count = OCSP_request_onereq_count(req); 996109998Smarkm 997280304Sjkim if (id_count <= 0) { 998280304Sjkim *resp = 999280304Sjkim OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); 1000280304Sjkim goto end; 1001280304Sjkim } 1002109998Smarkm 1003280304Sjkim bs = OCSP_BASICRESP_new(); 1004280304Sjkim thisupd = X509_gmtime_adj(NULL, 0); 1005280304Sjkim if (ndays != -1) 1006295016Sjkim nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL); 1007109998Smarkm 1008280304Sjkim /* Examine each certificate id in the request */ 1009280304Sjkim for (i = 0; i < id_count; i++) { 1010280304Sjkim OCSP_ONEREQ *one; 1011280304Sjkim ASN1_INTEGER *serial; 1012280304Sjkim char **inf; 1013280304Sjkim ASN1_OBJECT *cert_id_md_oid; 1014280304Sjkim const EVP_MD *cert_id_md; 1015280304Sjkim one = OCSP_request_onereq_get0(req, i); 1016280304Sjkim cid = OCSP_onereq_get0_id(one); 1017109998Smarkm 1018280304Sjkim OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid); 1019109998Smarkm 1020280304Sjkim cert_id_md = EVP_get_digestbyobj(cert_id_md_oid); 1021280304Sjkim if (!cert_id_md) { 1022280304Sjkim *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, 1023280304Sjkim NULL); 1024280304Sjkim goto end; 1025280304Sjkim } 1026280304Sjkim if (ca_id) 1027280304Sjkim OCSP_CERTID_free(ca_id); 1028280304Sjkim ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca); 1029238405Sjkim 1030280304Sjkim /* Is this request about our CA? */ 1031280304Sjkim if (OCSP_id_issuer_cmp(ca_id, cid)) { 1032280304Sjkim OCSP_basic_add1_status(bs, cid, 1033280304Sjkim V_OCSP_CERTSTATUS_UNKNOWN, 1034280304Sjkim 0, NULL, thisupd, nextupd); 1035280304Sjkim continue; 1036280304Sjkim } 1037280304Sjkim OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid); 1038280304Sjkim inf = lookup_serial(db, serial); 1039280304Sjkim if (!inf) 1040280304Sjkim OCSP_basic_add1_status(bs, cid, 1041280304Sjkim V_OCSP_CERTSTATUS_UNKNOWN, 1042280304Sjkim 0, NULL, thisupd, nextupd); 1043280304Sjkim else if (inf[DB_type][0] == DB_TYPE_VAL) 1044280304Sjkim OCSP_basic_add1_status(bs, cid, 1045280304Sjkim V_OCSP_CERTSTATUS_GOOD, 1046280304Sjkim 0, NULL, thisupd, nextupd); 1047280304Sjkim else if (inf[DB_type][0] == DB_TYPE_REV) { 1048280304Sjkim ASN1_OBJECT *inst = NULL; 1049280304Sjkim ASN1_TIME *revtm = NULL; 1050280304Sjkim ASN1_GENERALIZEDTIME *invtm = NULL; 1051280304Sjkim OCSP_SINGLERESP *single; 1052280304Sjkim int reason = -1; 1053280304Sjkim unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]); 1054280304Sjkim single = OCSP_basic_add1_status(bs, cid, 1055280304Sjkim V_OCSP_CERTSTATUS_REVOKED, 1056280304Sjkim reason, revtm, thisupd, nextupd); 1057280304Sjkim if (invtm) 1058280304Sjkim OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, 1059280304Sjkim invtm, 0, 0); 1060280304Sjkim else if (inst) 1061280304Sjkim OCSP_SINGLERESP_add1_ext_i2d(single, 1062280304Sjkim NID_hold_instruction_code, inst, 1063280304Sjkim 0, 0); 1064280304Sjkim ASN1_OBJECT_free(inst); 1065280304Sjkim ASN1_TIME_free(revtm); 1066280304Sjkim ASN1_GENERALIZEDTIME_free(invtm); 1067280304Sjkim } 1068280304Sjkim } 1069238405Sjkim 1070280304Sjkim OCSP_copy_nonce(bs, req); 1071238405Sjkim 1072280304Sjkim OCSP_basic_sign(bs, rcert, rkey, NULL, rother, flags); 1073109998Smarkm 1074280304Sjkim *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); 1075109998Smarkm 1076280304Sjkim end: 1077280304Sjkim ASN1_TIME_free(thisupd); 1078280304Sjkim ASN1_TIME_free(nextupd); 1079280304Sjkim OCSP_CERTID_free(ca_id); 1080280304Sjkim OCSP_BASICRESP_free(bs); 1081280304Sjkim return ret; 1082109998Smarkm 1083280304Sjkim} 1084109998Smarkm 1085127128Snectarstatic char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser) 1086280304Sjkim{ 1087280304Sjkim int i; 1088280304Sjkim BIGNUM *bn = NULL; 1089280304Sjkim char *itmp, *row[DB_NUMBER], **rrow; 1090280304Sjkim for (i = 0; i < DB_NUMBER; i++) 1091280304Sjkim row[i] = NULL; 1092280304Sjkim bn = ASN1_INTEGER_to_BN(ser, NULL); 1093280304Sjkim OPENSSL_assert(bn); /* FIXME: should report an error at this 1094280304Sjkim * point and abort */ 1095280304Sjkim if (BN_is_zero(bn)) 1096280304Sjkim itmp = BUF_strdup("00"); 1097280304Sjkim else 1098280304Sjkim itmp = BN_bn2hex(bn); 1099280304Sjkim row[DB_serial] = itmp; 1100280304Sjkim BN_free(bn); 1101280304Sjkim rrow = TXT_DB_get_by_index(db->db, DB_serial, row); 1102280304Sjkim OPENSSL_free(itmp); 1103280304Sjkim return rrow; 1104280304Sjkim} 1105109998Smarkm 1106109998Smarkm/* Quick and dirty OCSP server: read in and parse input request */ 1107109998Smarkm 1108109998Smarkmstatic BIO *init_responder(char *port) 1109280304Sjkim{ 1110280304Sjkim BIO *acbio = NULL, *bufbio = NULL; 1111280304Sjkim bufbio = BIO_new(BIO_f_buffer()); 1112280304Sjkim if (!bufbio) 1113280304Sjkim goto err; 1114280304Sjkim# ifndef OPENSSL_NO_SOCK 1115280304Sjkim acbio = BIO_new_accept(port); 1116280304Sjkim# else 1117280304Sjkim BIO_printf(bio_err, 1118280304Sjkim "Error setting up accept BIO - sockets not supported.\n"); 1119280304Sjkim# endif 1120280304Sjkim if (!acbio) 1121280304Sjkim goto err; 1122280304Sjkim BIO_set_accept_bios(acbio, bufbio); 1123280304Sjkim bufbio = NULL; 1124109998Smarkm 1125280304Sjkim if (BIO_do_accept(acbio) <= 0) { 1126280304Sjkim BIO_printf(bio_err, "Error setting up accept BIO\n"); 1127280304Sjkim ERR_print_errors(bio_err); 1128280304Sjkim goto err; 1129280304Sjkim } 1130109998Smarkm 1131280304Sjkim return acbio; 1132109998Smarkm 1133280304Sjkim err: 1134280304Sjkim BIO_free_all(acbio); 1135280304Sjkim BIO_free(bufbio); 1136280304Sjkim return NULL; 1137280304Sjkim} 1138109998Smarkm 1139280304Sjkimstatic int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, 1140280304Sjkim char *port) 1141280304Sjkim{ 1142280304Sjkim int have_post = 0, len; 1143280304Sjkim OCSP_REQUEST *req = NULL; 1144280304Sjkim char inbuf[1024]; 1145280304Sjkim BIO *cbio = NULL; 1146109998Smarkm 1147280304Sjkim if (BIO_do_accept(acbio) <= 0) { 1148280304Sjkim BIO_printf(bio_err, "Error accepting connection\n"); 1149280304Sjkim ERR_print_errors(bio_err); 1150280304Sjkim return 0; 1151280304Sjkim } 1152109998Smarkm 1153280304Sjkim cbio = BIO_pop(acbio); 1154280304Sjkim *pcbio = cbio; 1155109998Smarkm 1156280304Sjkim for (;;) { 1157280304Sjkim len = BIO_gets(cbio, inbuf, sizeof inbuf); 1158280304Sjkim if (len <= 0) 1159280304Sjkim return 1; 1160280304Sjkim /* Look for "POST" signalling start of query */ 1161280304Sjkim if (!have_post) { 1162280304Sjkim if (strncmp(inbuf, "POST", 4)) { 1163280304Sjkim BIO_printf(bio_err, "Invalid request\n"); 1164280304Sjkim return 1; 1165280304Sjkim } 1166280304Sjkim have_post = 1; 1167280304Sjkim } 1168280304Sjkim /* Look for end of headers */ 1169280304Sjkim if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) 1170280304Sjkim break; 1171280304Sjkim } 1172109998Smarkm 1173280304Sjkim /* Try to read OCSP request */ 1174109998Smarkm 1175280304Sjkim req = d2i_OCSP_REQUEST_bio(cbio, NULL); 1176109998Smarkm 1177280304Sjkim if (!req) { 1178280304Sjkim BIO_printf(bio_err, "Error parsing OCSP request\n"); 1179280304Sjkim ERR_print_errors(bio_err); 1180280304Sjkim } 1181109998Smarkm 1182280304Sjkim *preq = req; 1183109998Smarkm 1184280304Sjkim return 1; 1185109998Smarkm 1186280304Sjkim} 1187109998Smarkm 1188109998Smarkmstatic int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) 1189280304Sjkim{ 1190280304Sjkim char http_resp[] = 1191280304Sjkim "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" 1192280304Sjkim "Content-Length: %d\r\n\r\n"; 1193280304Sjkim if (!cbio) 1194280304Sjkim return 0; 1195280304Sjkim BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); 1196280304Sjkim i2d_OCSP_RESPONSE_bio(cbio, resp); 1197280304Sjkim (void)BIO_flush(cbio); 1198280304Sjkim return 1; 1199280304Sjkim} 1200109998Smarkm 1201194206Ssimonstatic OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, 1202280304Sjkim STACK_OF(CONF_VALUE) *headers, 1203280304Sjkim OCSP_REQUEST *req, int req_timeout) 1204280304Sjkim{ 1205280304Sjkim int fd; 1206280304Sjkim int rv; 1207280304Sjkim int i; 1208280304Sjkim OCSP_REQ_CTX *ctx = NULL; 1209280304Sjkim OCSP_RESPONSE *rsp = NULL; 1210280304Sjkim fd_set confds; 1211280304Sjkim struct timeval tv; 1212194206Ssimon 1213280304Sjkim if (req_timeout != -1) 1214280304Sjkim BIO_set_nbio(cbio, 1); 1215194206Ssimon 1216280304Sjkim rv = BIO_do_connect(cbio); 1217194206Ssimon 1218280304Sjkim if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) { 1219280304Sjkim BIO_puts(err, "Error connecting BIO\n"); 1220280304Sjkim return NULL; 1221280304Sjkim } 1222194206Ssimon 1223291721Sjkim if (BIO_get_fd(cbio, &fd) < 0) { 1224291721Sjkim BIO_puts(bio_err, "Can't get connection fd\n"); 1225280304Sjkim goto err; 1226280304Sjkim } 1227194206Ssimon 1228280304Sjkim if (req_timeout != -1 && rv <= 0) { 1229280304Sjkim FD_ZERO(&confds); 1230280304Sjkim openssl_fdset(fd, &confds); 1231280304Sjkim tv.tv_usec = 0; 1232280304Sjkim tv.tv_sec = req_timeout; 1233280304Sjkim rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1234280304Sjkim if (rv == 0) { 1235280304Sjkim BIO_puts(err, "Timeout on connect\n"); 1236280304Sjkim return NULL; 1237280304Sjkim } 1238280304Sjkim } 1239194206Ssimon 1240280304Sjkim ctx = OCSP_sendreq_new(cbio, path, NULL, -1); 1241280304Sjkim if (!ctx) 1242280304Sjkim return NULL; 1243194206Ssimon 1244280304Sjkim for (i = 0; i < sk_CONF_VALUE_num(headers); i++) { 1245280304Sjkim CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i); 1246280304Sjkim if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value)) 1247280304Sjkim goto err; 1248280304Sjkim } 1249238405Sjkim 1250280304Sjkim if (!OCSP_REQ_CTX_set1_req(ctx, req)) 1251280304Sjkim goto err; 1252238405Sjkim 1253280304Sjkim for (;;) { 1254280304Sjkim rv = OCSP_sendreq_nbio(&rsp, ctx); 1255280304Sjkim if (rv != -1) 1256280304Sjkim break; 1257280304Sjkim if (req_timeout == -1) 1258280304Sjkim continue; 1259280304Sjkim FD_ZERO(&confds); 1260280304Sjkim openssl_fdset(fd, &confds); 1261280304Sjkim tv.tv_usec = 0; 1262280304Sjkim tv.tv_sec = req_timeout; 1263280304Sjkim if (BIO_should_read(cbio)) 1264280304Sjkim rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv); 1265280304Sjkim else if (BIO_should_write(cbio)) 1266280304Sjkim rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1267280304Sjkim else { 1268280304Sjkim BIO_puts(err, "Unexpected retry condition\n"); 1269280304Sjkim goto err; 1270280304Sjkim } 1271280304Sjkim if (rv == 0) { 1272280304Sjkim BIO_puts(err, "Timeout on request\n"); 1273280304Sjkim break; 1274280304Sjkim } 1275280304Sjkim if (rv == -1) { 1276280304Sjkim BIO_puts(err, "Select error\n"); 1277280304Sjkim break; 1278280304Sjkim } 1279238405Sjkim 1280280304Sjkim } 1281280304Sjkim err: 1282280304Sjkim if (ctx) 1283280304Sjkim OCSP_REQ_CTX_free(ctx); 1284194206Ssimon 1285280304Sjkim return rsp; 1286280304Sjkim} 1287194206Ssimon 1288194206SsimonOCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req, 1289280304Sjkim char *host, char *path, char *port, 1290280304Sjkim int use_ssl, STACK_OF(CONF_VALUE) *headers, 1291280304Sjkim int req_timeout) 1292280304Sjkim{ 1293280304Sjkim BIO *cbio = NULL; 1294280304Sjkim SSL_CTX *ctx = NULL; 1295280304Sjkim OCSP_RESPONSE *resp = NULL; 1296280304Sjkim cbio = BIO_new_connect(host); 1297280304Sjkim if (!cbio) { 1298280304Sjkim BIO_printf(err, "Error creating connect BIO\n"); 1299280304Sjkim goto end; 1300280304Sjkim } 1301280304Sjkim if (port) 1302280304Sjkim BIO_set_conn_port(cbio, port); 1303280304Sjkim if (use_ssl == 1) { 1304280304Sjkim BIO *sbio; 1305280304Sjkim ctx = SSL_CTX_new(SSLv23_client_method()); 1306280304Sjkim if (ctx == NULL) { 1307280304Sjkim BIO_printf(err, "Error creating SSL context.\n"); 1308280304Sjkim goto end; 1309280304Sjkim } 1310280304Sjkim SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); 1311280304Sjkim sbio = BIO_new_ssl(ctx, 1); 1312280304Sjkim cbio = BIO_push(sbio, cbio); 1313280304Sjkim } 1314280304Sjkim resp = query_responder(err, cbio, path, headers, req, req_timeout); 1315280304Sjkim if (!resp) 1316280304Sjkim BIO_printf(bio_err, "Error querying OCSP responder\n"); 1317280304Sjkim end: 1318280304Sjkim if (cbio) 1319280304Sjkim BIO_free_all(cbio); 1320280304Sjkim if (ctx) 1321280304Sjkim SSL_CTX_free(ctx); 1322280304Sjkim return resp; 1323280304Sjkim} 1324194206Ssimon 1325194206Ssimon#endif 1326