[331] | 1 | /*
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| 2 | * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <openssl/opensslconf.h>
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| 11 |
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| 12 | #ifdef OPENSSL_NO_OCSP
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| 13 | NON_EMPTY_TRANSLATION_UNIT
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| 14 | #else
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| 15 | # ifdef OPENSSL_SYS_VMS
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| 16 | # define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined
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| 17 | * on OpenVMS */
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| 18 | # endif
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| 19 |
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| 20 | # define USE_SOCKETS
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| 21 |
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| 22 | # include <stdio.h>
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| 23 | # include <stdlib.h>
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| 24 | # include <string.h>
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| 25 | # include <time.h>
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| 26 | # include <ctype.h>
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| 27 |
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| 28 | /* Needs to be included before the openssl headers */
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| 29 | # include "apps.h"
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| 30 | # include <openssl/e_os2.h>
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| 31 | # include <openssl/crypto.h>
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| 32 | # include <openssl/err.h>
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| 33 | # include <openssl/ssl.h>
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| 34 | # include <openssl/evp.h>
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| 35 | # include <openssl/bn.h>
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| 36 | # include <openssl/x509v3.h>
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| 37 |
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| 38 | # if defined(NETWARE_CLIB)
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| 39 | # ifdef NETWARE_BSDSOCK
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| 40 | # include <sys/socket.h>
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| 41 | # include <sys/bsdskt.h>
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| 42 | # else
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| 43 | # include <novsock2.h>
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| 44 | # endif
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| 45 | # elif defined(NETWARE_LIBC)
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| 46 | # ifdef NETWARE_BSDSOCK
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| 47 | # include <sys/select.h>
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| 48 | # else
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| 49 | # include <novsock2.h>
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| 50 | # endif
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| 51 | # endif
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| 52 |
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| 53 | /* Maximum leeway in validity period: default 5 minutes */
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| 54 | # define MAX_VALIDITY_PERIOD (5 * 60)
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| 55 |
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| 56 | static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
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| 57 | const EVP_MD *cert_id_md, X509 *issuer,
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| 58 | STACK_OF(OCSP_CERTID) *ids);
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| 59 | static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
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| 60 | const EVP_MD *cert_id_md, X509 *issuer,
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| 61 | STACK_OF(OCSP_CERTID) *ids);
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| 62 | static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
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| 63 | STACK_OF(OPENSSL_STRING) *names,
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| 64 | STACK_OF(OCSP_CERTID) *ids, long nsec,
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| 65 | long maxage);
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| 66 | static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
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| 67 | CA_DB *db, X509 *ca, X509 *rcert,
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| 68 | EVP_PKEY *rkey, const EVP_MD *md,
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| 69 | STACK_OF(X509) *rother, unsigned long flags,
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| 70 | int nmin, int ndays, int badsig);
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| 71 |
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| 72 | static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
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| 73 | static BIO *init_responder(const char *port);
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| 74 | static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio);
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| 75 | static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
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| 76 |
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| 77 | # ifndef OPENSSL_NO_SOCK
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| 78 | static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
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| 79 | const char *path,
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| 80 | const STACK_OF(CONF_VALUE) *headers,
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| 81 | OCSP_REQUEST *req, int req_timeout);
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| 82 | # endif
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| 83 |
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| 84 | typedef enum OPTION_choice {
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| 85 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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| 86 | OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT,
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| 87 | OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE,
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| 88 | OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS,
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| 89 | OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN,
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| 90 | OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER,
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| 91 | OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT,
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| 92 | OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER,
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| 93 | OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, OPT_NOCAFILE, OPT_NOCAPATH,
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| 94 | OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT,
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| 95 | OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL,
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| 96 | OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
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| 97 | OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_HEADER,
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| 98 | OPT_V_ENUM,
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| 99 | OPT_MD
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| 100 | } OPTION_CHOICE;
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| 101 |
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| 102 | OPTIONS ocsp_options[] = {
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| 103 | {"help", OPT_HELP, '-', "Display this summary"},
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| 104 | {"out", OPT_OUTFILE, '>', "Output filename"},
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| 105 | {"timeout", OPT_TIMEOUT, 'p',
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| 106 | "Connection timeout (in seconds) to the OCSP responder"},
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| 107 | {"url", OPT_URL, 's', "Responder URL"},
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| 108 | {"host", OPT_HOST, 's', "TCP/IP hostname:port to connect to"},
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| 109 | {"port", OPT_PORT, 'p', "Port to run responder on"},
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| 110 | {"ignore_err", OPT_IGNORE_ERR, '-',
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| 111 | "Ignore Error response from OCSP responder, and retry "},
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| 112 | {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"},
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| 113 | {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"},
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| 114 | {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"},
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| 115 | {"resp_no_certs", OPT_RESP_NO_CERTS, '-',
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| 116 | "Don't include any certificates in response"},
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| 117 | {"resp_key_id", OPT_RESP_KEY_ID, '-',
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| 118 | "Identify response by signing certificate key ID"},
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| 119 | {"no_certs", OPT_NO_CERTS, '-',
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| 120 | "Don't include any certificates in signed request"},
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| 121 | {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
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| 122 | "Don't check signature on response"},
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| 123 | {"no_cert_verify", OPT_NO_CERT_VERIFY, '-',
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| 124 | "Don't check signing certificate"},
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| 125 | {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"},
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| 126 | {"no_cert_checks", OPT_NO_CERT_CHECKS, '-',
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| 127 | "Don't do additional checks on signing certificate"},
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| 128 | {"no_explicit", OPT_NO_EXPLICIT, '-',
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| 129 | "Do not explicitly check the chain, just verify the root"},
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| 130 | {"trust_other", OPT_TRUST_OTHER, '-',
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| 131 | "Don't verify additional certificates"},
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| 132 | {"no_intern", OPT_NO_INTERN, '-',
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| 133 | "Don't search certificates contained in response for signer"},
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| 134 | {"badsig", OPT_BADSIG, '-',
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| 135 | "Corrupt last byte of loaded OSCP response signature (for test)"},
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| 136 | {"text", OPT_TEXT, '-', "Print text form of request and response"},
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| 137 | {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"},
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| 138 | {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"},
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| 139 | {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"},
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| 140 | {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"},
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| 141 | {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"},
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| 142 | {"VAfile", OPT_VAFILE, '<', "Validator certificates file"},
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| 143 | {"sign_other", OPT_SIGN_OTHER, '<',
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| 144 | "Additional certificates to include in signed request"},
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| 145 | {"verify_other", OPT_VERIFY_OTHER, '<',
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| 146 | "Additional certificates to search for signer"},
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| 147 | {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
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| 148 | {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"},
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| 149 | {"no-CAfile", OPT_NOCAFILE, '-',
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| 150 | "Do not load the default certificates file"},
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| 151 | {"no-CApath", OPT_NOCAPATH, '-',
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| 152 | "Do not load certificates from the default certificates directory"},
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| 153 | {"validity_period", OPT_VALIDITY_PERIOD, 'u',
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| 154 | "Maximum validity discrepancy in seconds"},
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| 155 | {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"},
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| 156 | {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"},
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| 157 | {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"},
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| 158 | {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"},
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| 159 | {"path", OPT_PATH, 's', "Path to use in OCSP request"},
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| 160 | {"issuer", OPT_ISSUER, '<', "Issuer certificate"},
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| 161 | {"cert", OPT_CERT, '<', "Certificate to check"},
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| 162 | {"serial", OPT_SERIAL, 's', "Serial number to check"},
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| 163 | {"index", OPT_INDEX, '<', "Certificate status index file"},
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| 164 | {"CA", OPT_CA, '<', "CA certificate"},
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| 165 | {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"},
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| 166 | {"nrequest", OPT_REQUEST, 'p',
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| 167 | "Number of requests to accept (default unlimited)"},
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| 168 | {"ndays", OPT_NDAYS, 'p', "Number of days before next update"},
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| 169 | {"rsigner", OPT_RSIGNER, '<',
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| 170 | "Responder certificate to sign responses with"},
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| 171 | {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"},
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| 172 | {"rother", OPT_ROTHER, '<', "Other certificates to include in response"},
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| 173 | {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"},
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| 174 | {"header", OPT_HEADER, 's', "key=value header to add"},
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| 175 | {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"},
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| 176 | OPT_V_OPTIONS,
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| 177 | {NULL}
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| 178 | };
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| 179 |
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| 180 | int ocsp_main(int argc, char **argv)
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| 181 | {
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| 182 | BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
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| 183 | const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
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| 184 | int trailing_md = 0;
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| 185 | CA_DB *rdb = NULL;
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| 186 | EVP_PKEY *key = NULL, *rkey = NULL;
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| 187 | OCSP_BASICRESP *bs = NULL;
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| 188 | OCSP_REQUEST *req = NULL;
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| 189 | OCSP_RESPONSE *resp = NULL;
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| 190 | STACK_OF(CONF_VALUE) *headers = NULL;
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| 191 | STACK_OF(OCSP_CERTID) *ids = NULL;
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| 192 | STACK_OF(OPENSSL_STRING) *reqnames = NULL;
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| 193 | STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
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| 194 | STACK_OF(X509) *issuers = NULL;
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| 195 | X509 *issuer = NULL, *cert = NULL, *rca_cert = NULL;
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| 196 | X509 *signer = NULL, *rsigner = NULL;
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| 197 | X509_STORE *store = NULL;
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| 198 | X509_VERIFY_PARAM *vpm = NULL;
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| 199 | const char *CAfile = NULL, *CApath = NULL;
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| 200 | char *header, *value;
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| 201 | char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
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| 202 | char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
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| 203 | char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
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| 204 | char *rsignfile = NULL, *rkeyfile = NULL;
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| 205 | char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
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| 206 | char *signfile = NULL, *keyfile = NULL;
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| 207 | char *thost = NULL, *tport = NULL, *tpath = NULL;
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| 208 | int noCAfile = 0, noCApath = 0;
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| 209 | int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
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| 210 | int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
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| 211 | int req_text = 0, resp_text = 0, ret = 1;
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| 212 | #ifndef OPENSSL_NO_SOCK
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| 213 | int req_timeout = -1;
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| 214 | #endif
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| 215 | long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
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| 216 | unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
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| 217 | OPTION_CHOICE o;
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| 218 | char *prog;
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| 219 |
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| 220 | reqnames = sk_OPENSSL_STRING_new_null();
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| 221 | if (!reqnames)
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| 222 | goto end;
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| 223 | ids = sk_OCSP_CERTID_new_null();
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| 224 | if (!ids)
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| 225 | goto end;
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| 226 | if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
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| 227 | return 1;
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| 228 |
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| 229 | prog = opt_init(argc, argv, ocsp_options);
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| 230 | while ((o = opt_next()) != OPT_EOF) {
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| 231 | switch (o) {
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| 232 | case OPT_EOF:
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| 233 | case OPT_ERR:
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| 234 | opthelp:
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| 235 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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| 236 | goto end;
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| 237 | case OPT_HELP:
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| 238 | ret = 0;
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| 239 | opt_help(ocsp_options);
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| 240 | goto end;
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| 241 | case OPT_OUTFILE:
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| 242 | outfile = opt_arg();
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| 243 | break;
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| 244 | case OPT_TIMEOUT:
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| 245 | #ifndef OPENSSL_NO_SOCK
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| 246 | req_timeout = atoi(opt_arg());
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| 247 | #endif
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| 248 | break;
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| 249 | case OPT_URL:
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| 250 | OPENSSL_free(thost);
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| 251 | OPENSSL_free(tport);
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| 252 | OPENSSL_free(tpath);
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| 253 | thost = tport = tpath = NULL;
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| 254 | if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
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| 255 | BIO_printf(bio_err, "%s Error parsing URL\n", prog);
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| 256 | goto end;
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| 257 | }
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| 258 | thost = host;
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| 259 | tport = port;
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| 260 | tpath = path;
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| 261 | break;
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| 262 | case OPT_HOST:
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| 263 | host = opt_arg();
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| 264 | break;
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| 265 | case OPT_PORT:
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| 266 | port = opt_arg();
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| 267 | break;
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| 268 | case OPT_IGNORE_ERR:
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| 269 | ignore_err = 1;
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| 270 | break;
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| 271 | case OPT_NOVERIFY:
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| 272 | noverify = 1;
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| 273 | break;
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| 274 | case OPT_NONCE:
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| 275 | add_nonce = 2;
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| 276 | break;
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| 277 | case OPT_NO_NONCE:
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| 278 | add_nonce = 0;
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| 279 | break;
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| 280 | case OPT_RESP_NO_CERTS:
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| 281 | rflags |= OCSP_NOCERTS;
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| 282 | break;
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| 283 | case OPT_RESP_KEY_ID:
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| 284 | rflags |= OCSP_RESPID_KEY;
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| 285 | break;
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| 286 | case OPT_NO_CERTS:
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| 287 | sign_flags |= OCSP_NOCERTS;
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| 288 | break;
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| 289 | case OPT_NO_SIGNATURE_VERIFY:
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| 290 | verify_flags |= OCSP_NOSIGS;
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| 291 | break;
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| 292 | case OPT_NO_CERT_VERIFY:
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| 293 | verify_flags |= OCSP_NOVERIFY;
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| 294 | break;
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| 295 | case OPT_NO_CHAIN:
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| 296 | verify_flags |= OCSP_NOCHAIN;
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| 297 | break;
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| 298 | case OPT_NO_CERT_CHECKS:
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| 299 | verify_flags |= OCSP_NOCHECKS;
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| 300 | break;
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| 301 | case OPT_NO_EXPLICIT:
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| 302 | verify_flags |= OCSP_NOEXPLICIT;
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| 303 | break;
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| 304 | case OPT_TRUST_OTHER:
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| 305 | verify_flags |= OCSP_TRUSTOTHER;
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| 306 | break;
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| 307 | case OPT_NO_INTERN:
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| 308 | verify_flags |= OCSP_NOINTERN;
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| 309 | break;
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| 310 | case OPT_BADSIG:
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| 311 | badsig = 1;
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| 312 | break;
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| 313 | case OPT_TEXT:
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| 314 | req_text = resp_text = 1;
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| 315 | break;
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| 316 | case OPT_REQ_TEXT:
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| 317 | req_text = 1;
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| 318 | break;
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| 319 | case OPT_RESP_TEXT:
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| 320 | resp_text = 1;
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| 321 | break;
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| 322 | case OPT_REQIN:
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| 323 | reqin = opt_arg();
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| 324 | break;
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| 325 | case OPT_RESPIN:
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| 326 | respin = opt_arg();
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| 327 | break;
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| 328 | case OPT_SIGNER:
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| 329 | signfile = opt_arg();
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| 330 | break;
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| 331 | case OPT_VAFILE:
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| 332 | verify_certfile = opt_arg();
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| 333 | verify_flags |= OCSP_TRUSTOTHER;
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| 334 | break;
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| 335 | case OPT_SIGN_OTHER:
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| 336 | sign_certfile = opt_arg();
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| 337 | break;
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| 338 | case OPT_VERIFY_OTHER:
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| 339 | verify_certfile = opt_arg();
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| 340 | break;
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| 341 | case OPT_CAFILE:
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| 342 | CAfile = opt_arg();
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| 343 | break;
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| 344 | case OPT_CAPATH:
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| 345 | CApath = opt_arg();
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| 346 | break;
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| 347 | case OPT_NOCAFILE:
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| 348 | noCAfile = 1;
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| 349 | break;
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| 350 | case OPT_NOCAPATH:
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| 351 | noCApath = 1;
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| 352 | break;
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| 353 | case OPT_V_CASES:
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| 354 | if (!opt_verify(o, vpm))
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| 355 | goto end;
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| 356 | vpmtouched++;
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| 357 | break;
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| 358 | case OPT_VALIDITY_PERIOD:
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| 359 | opt_long(opt_arg(), &nsec);
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| 360 | break;
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| 361 | case OPT_STATUS_AGE:
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| 362 | opt_long(opt_arg(), &maxage);
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| 363 | break;
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| 364 | case OPT_SIGNKEY:
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| 365 | keyfile = opt_arg();
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| 366 | break;
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| 367 | case OPT_REQOUT:
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| 368 | reqout = opt_arg();
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| 369 | break;
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| 370 | case OPT_RESPOUT:
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| 371 | respout = opt_arg();
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| 372 | break;
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| 373 | case OPT_PATH:
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| 374 | path = opt_arg();
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| 375 | break;
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| 376 | case OPT_ISSUER:
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| 377 | issuer = load_cert(opt_arg(), FORMAT_PEM, "issuer certificate");
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| 378 | if (issuer == NULL)
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| 379 | goto end;
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| 380 | if (issuers == NULL) {
|
---|
| 381 | if ((issuers = sk_X509_new_null()) == NULL)
|
---|
| 382 | goto end;
|
---|
| 383 | }
|
---|
| 384 | sk_X509_push(issuers, issuer);
|
---|
| 385 | break;
|
---|
| 386 | case OPT_CERT:
|
---|
| 387 | X509_free(cert);
|
---|
| 388 | cert = load_cert(opt_arg(), FORMAT_PEM, "certificate");
|
---|
| 389 | if (cert == NULL)
|
---|
| 390 | goto end;
|
---|
| 391 | if (cert_id_md == NULL)
|
---|
| 392 | cert_id_md = EVP_sha1();
|
---|
| 393 | if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
|
---|
| 394 | goto end;
|
---|
| 395 | if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
|
---|
| 396 | goto end;
|
---|
| 397 | trailing_md = 0;
|
---|
| 398 | break;
|
---|
| 399 | case OPT_SERIAL:
|
---|
| 400 | if (cert_id_md == NULL)
|
---|
| 401 | cert_id_md = EVP_sha1();
|
---|
| 402 | if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
|
---|
| 403 | goto end;
|
---|
| 404 | if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
|
---|
| 405 | goto end;
|
---|
| 406 | trailing_md = 0;
|
---|
| 407 | break;
|
---|
| 408 | case OPT_INDEX:
|
---|
| 409 | ridx_filename = opt_arg();
|
---|
| 410 | break;
|
---|
| 411 | case OPT_CA:
|
---|
| 412 | rca_filename = opt_arg();
|
---|
| 413 | break;
|
---|
| 414 | case OPT_NMIN:
|
---|
| 415 | opt_int(opt_arg(), &nmin);
|
---|
| 416 | if (ndays == -1)
|
---|
| 417 | ndays = 0;
|
---|
| 418 | break;
|
---|
| 419 | case OPT_REQUEST:
|
---|
| 420 | opt_int(opt_arg(), &accept_count);
|
---|
| 421 | break;
|
---|
| 422 | case OPT_NDAYS:
|
---|
| 423 | ndays = atoi(opt_arg());
|
---|
| 424 | break;
|
---|
| 425 | case OPT_RSIGNER:
|
---|
| 426 | rsignfile = opt_arg();
|
---|
| 427 | break;
|
---|
| 428 | case OPT_RKEY:
|
---|
| 429 | rkeyfile = opt_arg();
|
---|
| 430 | break;
|
---|
| 431 | case OPT_ROTHER:
|
---|
| 432 | rcertfile = opt_arg();
|
---|
| 433 | break;
|
---|
| 434 | case OPT_RMD: /* Response MessageDigest */
|
---|
| 435 | if (!opt_md(opt_arg(), &rsign_md))
|
---|
| 436 | goto end;
|
---|
| 437 | break;
|
---|
| 438 | case OPT_HEADER:
|
---|
| 439 | header = opt_arg();
|
---|
| 440 | value = strchr(header, '=');
|
---|
| 441 | if (value == NULL) {
|
---|
| 442 | BIO_printf(bio_err, "Missing = in header key=value\n");
|
---|
| 443 | goto opthelp;
|
---|
| 444 | }
|
---|
| 445 | *value++ = '\0';
|
---|
| 446 | if (!X509V3_add_value(header, value, &headers))
|
---|
| 447 | goto end;
|
---|
| 448 | break;
|
---|
| 449 | case OPT_MD:
|
---|
| 450 | if (trailing_md) {
|
---|
| 451 | BIO_printf(bio_err,
|
---|
| 452 | "%s: Digest must be before -cert or -serial\n",
|
---|
| 453 | prog);
|
---|
| 454 | goto opthelp;
|
---|
| 455 | }
|
---|
| 456 | if (!opt_md(opt_unknown(), &cert_id_md))
|
---|
| 457 | goto opthelp;
|
---|
| 458 | trailing_md = 1;
|
---|
| 459 | break;
|
---|
| 460 | }
|
---|
| 461 | }
|
---|
| 462 |
|
---|
| 463 | if (trailing_md) {
|
---|
| 464 | BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
|
---|
| 465 | prog);
|
---|
| 466 | goto opthelp;
|
---|
| 467 | }
|
---|
| 468 | argc = opt_num_rest();
|
---|
| 469 | if (argc != 0)
|
---|
| 470 | goto opthelp;
|
---|
| 471 |
|
---|
| 472 | /* Have we anything to do? */
|
---|
| 473 | if (!req && !reqin && !respin && !(port && ridx_filename))
|
---|
| 474 | goto opthelp;
|
---|
| 475 |
|
---|
| 476 | out = bio_open_default(outfile, 'w', FORMAT_TEXT);
|
---|
| 477 | if (out == NULL)
|
---|
| 478 | goto end;
|
---|
| 479 |
|
---|
| 480 | if (!req && (add_nonce != 2))
|
---|
| 481 | add_nonce = 0;
|
---|
| 482 |
|
---|
| 483 | if (!req && reqin) {
|
---|
| 484 | derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
|
---|
| 485 | if (derbio == NULL)
|
---|
| 486 | goto end;
|
---|
| 487 | req = d2i_OCSP_REQUEST_bio(derbio, NULL);
|
---|
| 488 | BIO_free(derbio);
|
---|
| 489 | if (!req) {
|
---|
| 490 | BIO_printf(bio_err, "Error reading OCSP request\n");
|
---|
| 491 | goto end;
|
---|
| 492 | }
|
---|
| 493 | }
|
---|
| 494 |
|
---|
| 495 | if (!req && port) {
|
---|
| 496 | acbio = init_responder(port);
|
---|
| 497 | if (!acbio)
|
---|
| 498 | goto end;
|
---|
| 499 | }
|
---|
| 500 |
|
---|
| 501 | if (rsignfile) {
|
---|
| 502 | if (!rkeyfile)
|
---|
| 503 | rkeyfile = rsignfile;
|
---|
| 504 | rsigner = load_cert(rsignfile, FORMAT_PEM, "responder certificate");
|
---|
| 505 | if (!rsigner) {
|
---|
| 506 | BIO_printf(bio_err, "Error loading responder certificate\n");
|
---|
| 507 | goto end;
|
---|
| 508 | }
|
---|
| 509 | rca_cert = load_cert(rca_filename, FORMAT_PEM, "CA certificate");
|
---|
| 510 | if (rcertfile) {
|
---|
| 511 | if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL,
|
---|
| 512 | "responder other certificates"))
|
---|
| 513 | goto end;
|
---|
| 514 | }
|
---|
| 515 | rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL,
|
---|
| 516 | "responder private key");
|
---|
| 517 | if (!rkey)
|
---|
| 518 | goto end;
|
---|
| 519 | }
|
---|
| 520 | if (acbio)
|
---|
| 521 | BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
|
---|
| 522 |
|
---|
| 523 | redo_accept:
|
---|
| 524 |
|
---|
| 525 | if (acbio) {
|
---|
| 526 | if (!do_responder(&req, &cbio, acbio))
|
---|
| 527 | goto end;
|
---|
| 528 | if (!req) {
|
---|
| 529 | resp =
|
---|
| 530 | OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
|
---|
| 531 | NULL);
|
---|
| 532 | send_ocsp_response(cbio, resp);
|
---|
| 533 | goto done_resp;
|
---|
| 534 | }
|
---|
| 535 | }
|
---|
| 536 |
|
---|
| 537 | if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) {
|
---|
| 538 | BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
|
---|
| 539 | goto end;
|
---|
| 540 | }
|
---|
| 541 |
|
---|
| 542 | if (req && add_nonce)
|
---|
| 543 | OCSP_request_add1_nonce(req, NULL, -1);
|
---|
| 544 |
|
---|
| 545 | if (signfile) {
|
---|
| 546 | if (!keyfile)
|
---|
| 547 | keyfile = signfile;
|
---|
| 548 | signer = load_cert(signfile, FORMAT_PEM, "signer certificate");
|
---|
| 549 | if (!signer) {
|
---|
| 550 | BIO_printf(bio_err, "Error loading signer certificate\n");
|
---|
| 551 | goto end;
|
---|
| 552 | }
|
---|
| 553 | if (sign_certfile) {
|
---|
| 554 | if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL,
|
---|
| 555 | "signer certificates"))
|
---|
| 556 | goto end;
|
---|
| 557 | }
|
---|
| 558 | key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
|
---|
| 559 | "signer private key");
|
---|
| 560 | if (!key)
|
---|
| 561 | goto end;
|
---|
| 562 |
|
---|
| 563 | if (!OCSP_request_sign
|
---|
| 564 | (req, signer, key, NULL, sign_other, sign_flags)) {
|
---|
| 565 | BIO_printf(bio_err, "Error signing OCSP request\n");
|
---|
| 566 | goto end;
|
---|
| 567 | }
|
---|
| 568 | }
|
---|
| 569 |
|
---|
| 570 | if (req_text && req)
|
---|
| 571 | OCSP_REQUEST_print(out, req, 0);
|
---|
| 572 |
|
---|
| 573 | if (reqout) {
|
---|
| 574 | derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
|
---|
| 575 | if (derbio == NULL)
|
---|
| 576 | goto end;
|
---|
| 577 | i2d_OCSP_REQUEST_bio(derbio, req);
|
---|
| 578 | BIO_free(derbio);
|
---|
| 579 | }
|
---|
| 580 |
|
---|
| 581 | if (ridx_filename && (!rkey || !rsigner || !rca_cert)) {
|
---|
| 582 | BIO_printf(bio_err,
|
---|
| 583 | "Need a responder certificate, key and CA for this operation!\n");
|
---|
| 584 | goto end;
|
---|
| 585 | }
|
---|
| 586 |
|
---|
| 587 | if (ridx_filename && !rdb) {
|
---|
| 588 | rdb = load_index(ridx_filename, NULL);
|
---|
| 589 | if (!rdb)
|
---|
| 590 | goto end;
|
---|
| 591 | if (!index_index(rdb))
|
---|
| 592 | goto end;
|
---|
| 593 | }
|
---|
| 594 |
|
---|
| 595 | if (rdb) {
|
---|
| 596 | make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey,
|
---|
| 597 | rsign_md, rother, rflags, nmin, ndays, badsig);
|
---|
| 598 | if (cbio)
|
---|
| 599 | send_ocsp_response(cbio, resp);
|
---|
| 600 | } else if (host) {
|
---|
| 601 | # ifndef OPENSSL_NO_SOCK
|
---|
| 602 | resp = process_responder(req, host, path,
|
---|
| 603 | port, use_ssl, headers, req_timeout);
|
---|
| 604 | if (!resp)
|
---|
| 605 | goto end;
|
---|
| 606 | # else
|
---|
| 607 | BIO_printf(bio_err,
|
---|
| 608 | "Error creating connect BIO - sockets not supported.\n");
|
---|
| 609 | goto end;
|
---|
| 610 | # endif
|
---|
| 611 | } else if (respin) {
|
---|
| 612 | derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
|
---|
| 613 | if (derbio == NULL)
|
---|
| 614 | goto end;
|
---|
| 615 | resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
|
---|
| 616 | BIO_free(derbio);
|
---|
| 617 | if (!resp) {
|
---|
| 618 | BIO_printf(bio_err, "Error reading OCSP response\n");
|
---|
| 619 | goto end;
|
---|
| 620 | }
|
---|
| 621 | } else {
|
---|
| 622 | ret = 0;
|
---|
| 623 | goto end;
|
---|
| 624 | }
|
---|
| 625 |
|
---|
| 626 | done_resp:
|
---|
| 627 |
|
---|
| 628 | if (respout) {
|
---|
| 629 | derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
|
---|
| 630 | if (derbio == NULL)
|
---|
| 631 | goto end;
|
---|
| 632 | i2d_OCSP_RESPONSE_bio(derbio, resp);
|
---|
| 633 | BIO_free(derbio);
|
---|
| 634 | }
|
---|
| 635 |
|
---|
| 636 | i = OCSP_response_status(resp);
|
---|
| 637 | if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
|
---|
| 638 | BIO_printf(out, "Responder Error: %s (%d)\n",
|
---|
| 639 | OCSP_response_status_str(i), i);
|
---|
| 640 | if (ignore_err)
|
---|
| 641 | goto redo_accept;
|
---|
| 642 | ret = 0;
|
---|
| 643 | goto end;
|
---|
| 644 | }
|
---|
| 645 |
|
---|
| 646 | if (resp_text)
|
---|
| 647 | OCSP_RESPONSE_print(out, resp, 0);
|
---|
| 648 |
|
---|
| 649 | /* If running as responder don't verify our own response */
|
---|
| 650 | if (cbio) {
|
---|
| 651 | /* If not unlimited, see if we took all we should. */
|
---|
| 652 | if (accept_count != -1 && --accept_count <= 0) {
|
---|
| 653 | ret = 0;
|
---|
| 654 | goto end;
|
---|
| 655 | }
|
---|
| 656 | BIO_free_all(cbio);
|
---|
| 657 | cbio = NULL;
|
---|
| 658 | OCSP_REQUEST_free(req);
|
---|
| 659 | req = NULL;
|
---|
| 660 | OCSP_RESPONSE_free(resp);
|
---|
| 661 | resp = NULL;
|
---|
| 662 | goto redo_accept;
|
---|
| 663 | }
|
---|
| 664 | if (ridx_filename) {
|
---|
| 665 | ret = 0;
|
---|
| 666 | goto end;
|
---|
| 667 | }
|
---|
| 668 |
|
---|
| 669 | if (!store) {
|
---|
| 670 | store = setup_verify(CAfile, CApath, noCAfile, noCApath);
|
---|
| 671 | if (!store)
|
---|
| 672 | goto end;
|
---|
| 673 | }
|
---|
| 674 | if (vpmtouched)
|
---|
| 675 | X509_STORE_set1_param(store, vpm);
|
---|
| 676 | if (verify_certfile) {
|
---|
| 677 | if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL,
|
---|
| 678 | "validator certificate"))
|
---|
| 679 | goto end;
|
---|
| 680 | }
|
---|
| 681 |
|
---|
| 682 | bs = OCSP_response_get1_basic(resp);
|
---|
| 683 | if (!bs) {
|
---|
| 684 | BIO_printf(bio_err, "Error parsing response\n");
|
---|
| 685 | goto end;
|
---|
| 686 | }
|
---|
| 687 |
|
---|
| 688 | ret = 0;
|
---|
| 689 |
|
---|
| 690 | if (!noverify) {
|
---|
| 691 | if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
|
---|
| 692 | if (i == -1)
|
---|
| 693 | BIO_printf(bio_err, "WARNING: no nonce in response\n");
|
---|
| 694 | else {
|
---|
| 695 | BIO_printf(bio_err, "Nonce Verify error\n");
|
---|
| 696 | ret = 1;
|
---|
| 697 | goto end;
|
---|
| 698 | }
|
---|
| 699 | }
|
---|
| 700 |
|
---|
| 701 | i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
|
---|
| 702 | if (i <= 0 && issuers) {
|
---|
| 703 | i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
|
---|
| 704 | if (i > 0)
|
---|
| 705 | ERR_clear_error();
|
---|
| 706 | }
|
---|
| 707 | if (i <= 0) {
|
---|
| 708 | BIO_printf(bio_err, "Response Verify Failure\n");
|
---|
| 709 | ERR_print_errors(bio_err);
|
---|
| 710 | ret = 1;
|
---|
| 711 | } else
|
---|
| 712 | BIO_printf(bio_err, "Response verify OK\n");
|
---|
| 713 |
|
---|
| 714 | }
|
---|
| 715 |
|
---|
| 716 | print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
|
---|
| 717 |
|
---|
| 718 | end:
|
---|
| 719 | ERR_print_errors(bio_err);
|
---|
| 720 | X509_free(signer);
|
---|
| 721 | X509_STORE_free(store);
|
---|
| 722 | X509_VERIFY_PARAM_free(vpm);
|
---|
| 723 | EVP_PKEY_free(key);
|
---|
| 724 | EVP_PKEY_free(rkey);
|
---|
| 725 | X509_free(cert);
|
---|
| 726 | sk_X509_pop_free(issuers, X509_free);
|
---|
| 727 | X509_free(rsigner);
|
---|
| 728 | X509_free(rca_cert);
|
---|
| 729 | free_index(rdb);
|
---|
| 730 | BIO_free_all(cbio);
|
---|
| 731 | BIO_free_all(acbio);
|
---|
| 732 | BIO_free(out);
|
---|
| 733 | OCSP_REQUEST_free(req);
|
---|
| 734 | OCSP_RESPONSE_free(resp);
|
---|
| 735 | OCSP_BASICRESP_free(bs);
|
---|
| 736 | sk_OPENSSL_STRING_free(reqnames);
|
---|
| 737 | sk_OCSP_CERTID_free(ids);
|
---|
| 738 | sk_X509_pop_free(sign_other, X509_free);
|
---|
| 739 | sk_X509_pop_free(verify_other, X509_free);
|
---|
| 740 | sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
|
---|
| 741 | OPENSSL_free(thost);
|
---|
| 742 | OPENSSL_free(tport);
|
---|
| 743 | OPENSSL_free(tpath);
|
---|
| 744 |
|
---|
| 745 | return (ret);
|
---|
| 746 | }
|
---|
| 747 |
|
---|
| 748 | static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
|
---|
| 749 | const EVP_MD *cert_id_md, X509 *issuer,
|
---|
| 750 | STACK_OF(OCSP_CERTID) *ids)
|
---|
| 751 | {
|
---|
| 752 | OCSP_CERTID *id;
|
---|
| 753 | if (!issuer) {
|
---|
| 754 | BIO_printf(bio_err, "No issuer certificate specified\n");
|
---|
| 755 | return 0;
|
---|
| 756 | }
|
---|
| 757 | if (*req == NULL)
|
---|
| 758 | *req = OCSP_REQUEST_new();
|
---|
| 759 | if (*req == NULL)
|
---|
| 760 | goto err;
|
---|
| 761 | id = OCSP_cert_to_id(cert_id_md, cert, issuer);
|
---|
| 762 | if (!id || !sk_OCSP_CERTID_push(ids, id))
|
---|
| 763 | goto err;
|
---|
| 764 | if (!OCSP_request_add0_id(*req, id))
|
---|
| 765 | goto err;
|
---|
| 766 | return 1;
|
---|
| 767 |
|
---|
| 768 | err:
|
---|
| 769 | BIO_printf(bio_err, "Error Creating OCSP request\n");
|
---|
| 770 | return 0;
|
---|
| 771 | }
|
---|
| 772 |
|
---|
| 773 | static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,
|
---|
| 774 | const EVP_MD *cert_id_md, X509 *issuer,
|
---|
| 775 | STACK_OF(OCSP_CERTID) *ids)
|
---|
| 776 | {
|
---|
| 777 | OCSP_CERTID *id;
|
---|
| 778 | X509_NAME *iname;
|
---|
| 779 | ASN1_BIT_STRING *ikey;
|
---|
| 780 | ASN1_INTEGER *sno;
|
---|
| 781 | if (!issuer) {
|
---|
| 782 | BIO_printf(bio_err, "No issuer certificate specified\n");
|
---|
| 783 | return 0;
|
---|
| 784 | }
|
---|
| 785 | if (*req == NULL)
|
---|
| 786 | *req = OCSP_REQUEST_new();
|
---|
| 787 | if (*req == NULL)
|
---|
| 788 | goto err;
|
---|
| 789 | iname = X509_get_subject_name(issuer);
|
---|
| 790 | ikey = X509_get0_pubkey_bitstr(issuer);
|
---|
| 791 | sno = s2i_ASN1_INTEGER(NULL, serial);
|
---|
| 792 | if (!sno) {
|
---|
| 793 | BIO_printf(bio_err, "Error converting serial number %s\n", serial);
|
---|
| 794 | return 0;
|
---|
| 795 | }
|
---|
| 796 | id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno);
|
---|
| 797 | ASN1_INTEGER_free(sno);
|
---|
| 798 | if (id == NULL || !sk_OCSP_CERTID_push(ids, id))
|
---|
| 799 | goto err;
|
---|
| 800 | if (!OCSP_request_add0_id(*req, id))
|
---|
| 801 | goto err;
|
---|
| 802 | return 1;
|
---|
| 803 |
|
---|
| 804 | err:
|
---|
| 805 | BIO_printf(bio_err, "Error Creating OCSP request\n");
|
---|
| 806 | return 0;
|
---|
| 807 | }
|
---|
| 808 |
|
---|
| 809 | static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
|
---|
| 810 | STACK_OF(OPENSSL_STRING) *names,
|
---|
| 811 | STACK_OF(OCSP_CERTID) *ids, long nsec,
|
---|
| 812 | long maxage)
|
---|
| 813 | {
|
---|
| 814 | OCSP_CERTID *id;
|
---|
| 815 | const char *name;
|
---|
| 816 | int i, status, reason;
|
---|
| 817 | ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
|
---|
| 818 |
|
---|
| 819 | if (!bs || !req || !sk_OPENSSL_STRING_num(names)
|
---|
| 820 | || !sk_OCSP_CERTID_num(ids))
|
---|
| 821 | return;
|
---|
| 822 |
|
---|
| 823 | for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) {
|
---|
| 824 | id = sk_OCSP_CERTID_value(ids, i);
|
---|
| 825 | name = sk_OPENSSL_STRING_value(names, i);
|
---|
| 826 | BIO_printf(out, "%s: ", name);
|
---|
| 827 |
|
---|
| 828 | if (!OCSP_resp_find_status(bs, id, &status, &reason,
|
---|
| 829 | &rev, &thisupd, &nextupd)) {
|
---|
| 830 | BIO_puts(out, "ERROR: No Status found.\n");
|
---|
| 831 | continue;
|
---|
| 832 | }
|
---|
| 833 |
|
---|
| 834 | /*
|
---|
| 835 | * Check validity: if invalid write to output BIO so we know which
|
---|
| 836 | * response this refers to.
|
---|
| 837 | */
|
---|
| 838 | if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) {
|
---|
| 839 | BIO_puts(out, "WARNING: Status times invalid.\n");
|
---|
| 840 | ERR_print_errors(out);
|
---|
| 841 | }
|
---|
| 842 | BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
|
---|
| 843 |
|
---|
| 844 | BIO_puts(out, "\tThis Update: ");
|
---|
| 845 | ASN1_GENERALIZEDTIME_print(out, thisupd);
|
---|
| 846 | BIO_puts(out, "\n");
|
---|
| 847 |
|
---|
| 848 | if (nextupd) {
|
---|
| 849 | BIO_puts(out, "\tNext Update: ");
|
---|
| 850 | ASN1_GENERALIZEDTIME_print(out, nextupd);
|
---|
| 851 | BIO_puts(out, "\n");
|
---|
| 852 | }
|
---|
| 853 |
|
---|
| 854 | if (status != V_OCSP_CERTSTATUS_REVOKED)
|
---|
| 855 | continue;
|
---|
| 856 |
|
---|
| 857 | if (reason != -1)
|
---|
| 858 | BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason));
|
---|
| 859 |
|
---|
| 860 | BIO_puts(out, "\tRevocation Time: ");
|
---|
| 861 | ASN1_GENERALIZEDTIME_print(out, rev);
|
---|
| 862 | BIO_puts(out, "\n");
|
---|
| 863 | }
|
---|
| 864 | }
|
---|
| 865 |
|
---|
| 866 | static void make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req,
|
---|
| 867 | CA_DB *db, X509 *ca, X509 *rcert,
|
---|
| 868 | EVP_PKEY *rkey, const EVP_MD *rmd,
|
---|
| 869 | STACK_OF(X509) *rother, unsigned long flags,
|
---|
| 870 | int nmin, int ndays, int badsig)
|
---|
| 871 | {
|
---|
| 872 | ASN1_TIME *thisupd = NULL, *nextupd = NULL;
|
---|
| 873 | OCSP_CERTID *cid, *ca_id = NULL;
|
---|
| 874 | OCSP_BASICRESP *bs = NULL;
|
---|
| 875 | int i, id_count;
|
---|
| 876 |
|
---|
| 877 | id_count = OCSP_request_onereq_count(req);
|
---|
| 878 |
|
---|
| 879 | if (id_count <= 0) {
|
---|
| 880 | *resp =
|
---|
| 881 | OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);
|
---|
| 882 | goto end;
|
---|
| 883 | }
|
---|
| 884 |
|
---|
| 885 | bs = OCSP_BASICRESP_new();
|
---|
| 886 | thisupd = X509_gmtime_adj(NULL, 0);
|
---|
| 887 | if (ndays != -1)
|
---|
| 888 | nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL);
|
---|
| 889 |
|
---|
| 890 | /* Examine each certificate id in the request */
|
---|
| 891 | for (i = 0; i < id_count; i++) {
|
---|
| 892 | OCSP_ONEREQ *one;
|
---|
| 893 | ASN1_INTEGER *serial;
|
---|
| 894 | char **inf;
|
---|
| 895 | ASN1_OBJECT *cert_id_md_oid;
|
---|
| 896 | const EVP_MD *cert_id_md;
|
---|
| 897 | one = OCSP_request_onereq_get0(req, i);
|
---|
| 898 | cid = OCSP_onereq_get0_id(one);
|
---|
| 899 |
|
---|
| 900 | OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid);
|
---|
| 901 |
|
---|
| 902 | cert_id_md = EVP_get_digestbyobj(cert_id_md_oid);
|
---|
| 903 | if (!cert_id_md) {
|
---|
| 904 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR,
|
---|
| 905 | NULL);
|
---|
| 906 | goto end;
|
---|
| 907 | }
|
---|
| 908 | OCSP_CERTID_free(ca_id);
|
---|
| 909 | ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca);
|
---|
| 910 |
|
---|
| 911 | /* Is this request about our CA? */
|
---|
| 912 | if (OCSP_id_issuer_cmp(ca_id, cid)) {
|
---|
| 913 | OCSP_basic_add1_status(bs, cid,
|
---|
| 914 | V_OCSP_CERTSTATUS_UNKNOWN,
|
---|
| 915 | 0, NULL, thisupd, nextupd);
|
---|
| 916 | continue;
|
---|
| 917 | }
|
---|
| 918 | OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid);
|
---|
| 919 | inf = lookup_serial(db, serial);
|
---|
| 920 | if (!inf)
|
---|
| 921 | OCSP_basic_add1_status(bs, cid,
|
---|
| 922 | V_OCSP_CERTSTATUS_UNKNOWN,
|
---|
| 923 | 0, NULL, thisupd, nextupd);
|
---|
| 924 | else if (inf[DB_type][0] == DB_TYPE_VAL)
|
---|
| 925 | OCSP_basic_add1_status(bs, cid,
|
---|
| 926 | V_OCSP_CERTSTATUS_GOOD,
|
---|
| 927 | 0, NULL, thisupd, nextupd);
|
---|
| 928 | else if (inf[DB_type][0] == DB_TYPE_REV) {
|
---|
| 929 | ASN1_OBJECT *inst = NULL;
|
---|
| 930 | ASN1_TIME *revtm = NULL;
|
---|
| 931 | ASN1_GENERALIZEDTIME *invtm = NULL;
|
---|
| 932 | OCSP_SINGLERESP *single;
|
---|
| 933 | int reason = -1;
|
---|
| 934 | unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]);
|
---|
| 935 | single = OCSP_basic_add1_status(bs, cid,
|
---|
| 936 | V_OCSP_CERTSTATUS_REVOKED,
|
---|
| 937 | reason, revtm, thisupd, nextupd);
|
---|
| 938 | if (invtm)
|
---|
| 939 | OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date,
|
---|
| 940 | invtm, 0, 0);
|
---|
| 941 | else if (inst)
|
---|
| 942 | OCSP_SINGLERESP_add1_ext_i2d(single,
|
---|
| 943 | NID_hold_instruction_code, inst,
|
---|
| 944 | 0, 0);
|
---|
| 945 | ASN1_OBJECT_free(inst);
|
---|
| 946 | ASN1_TIME_free(revtm);
|
---|
| 947 | ASN1_GENERALIZEDTIME_free(invtm);
|
---|
| 948 | }
|
---|
| 949 | }
|
---|
| 950 |
|
---|
| 951 | OCSP_copy_nonce(bs, req);
|
---|
| 952 |
|
---|
| 953 | OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags);
|
---|
| 954 |
|
---|
| 955 | if (badsig) {
|
---|
| 956 | const ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs);
|
---|
| 957 | corrupt_signature(sig);
|
---|
| 958 | }
|
---|
| 959 |
|
---|
| 960 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs);
|
---|
| 961 |
|
---|
| 962 | end:
|
---|
| 963 | ASN1_TIME_free(thisupd);
|
---|
| 964 | ASN1_TIME_free(nextupd);
|
---|
| 965 | OCSP_CERTID_free(ca_id);
|
---|
| 966 | OCSP_BASICRESP_free(bs);
|
---|
| 967 | }
|
---|
| 968 |
|
---|
| 969 | static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
|
---|
| 970 | {
|
---|
| 971 | int i;
|
---|
| 972 | BIGNUM *bn = NULL;
|
---|
| 973 | char *itmp, *row[DB_NUMBER], **rrow;
|
---|
| 974 | for (i = 0; i < DB_NUMBER; i++)
|
---|
| 975 | row[i] = NULL;
|
---|
| 976 | bn = ASN1_INTEGER_to_BN(ser, NULL);
|
---|
| 977 | OPENSSL_assert(bn); /* FIXME: should report an error at this
|
---|
| 978 | * point and abort */
|
---|
| 979 | if (BN_is_zero(bn))
|
---|
| 980 | itmp = OPENSSL_strdup("00");
|
---|
| 981 | else
|
---|
| 982 | itmp = BN_bn2hex(bn);
|
---|
| 983 | row[DB_serial] = itmp;
|
---|
| 984 | BN_free(bn);
|
---|
| 985 | rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
|
---|
| 986 | OPENSSL_free(itmp);
|
---|
| 987 | return rrow;
|
---|
| 988 | }
|
---|
| 989 |
|
---|
| 990 | /* Quick and dirty OCSP server: read in and parse input request */
|
---|
| 991 |
|
---|
| 992 | static BIO *init_responder(const char *port)
|
---|
| 993 | {
|
---|
| 994 | # ifdef OPENSSL_NO_SOCK
|
---|
| 995 | BIO_printf(bio_err,
|
---|
| 996 | "Error setting up accept BIO - sockets not supported.\n");
|
---|
| 997 | return NULL;
|
---|
| 998 | # else
|
---|
| 999 | BIO *acbio = NULL, *bufbio = NULL;
|
---|
| 1000 |
|
---|
| 1001 | bufbio = BIO_new(BIO_f_buffer());
|
---|
| 1002 | if (bufbio == NULL)
|
---|
| 1003 | goto err;
|
---|
| 1004 | acbio = BIO_new(BIO_s_accept());
|
---|
| 1005 | if (acbio == NULL
|
---|
| 1006 | || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
|
---|
| 1007 | || BIO_set_accept_port(acbio, port) < 0) {
|
---|
| 1008 | BIO_printf(bio_err, "Error setting up accept BIO\n");
|
---|
| 1009 | ERR_print_errors(bio_err);
|
---|
| 1010 | goto err;
|
---|
| 1011 | }
|
---|
| 1012 |
|
---|
| 1013 | BIO_set_accept_bios(acbio, bufbio);
|
---|
| 1014 | bufbio = NULL;
|
---|
| 1015 | if (BIO_do_accept(acbio) <= 0) {
|
---|
| 1016 | BIO_printf(bio_err, "Error starting accept\n");
|
---|
| 1017 | ERR_print_errors(bio_err);
|
---|
| 1018 | goto err;
|
---|
| 1019 | }
|
---|
| 1020 |
|
---|
| 1021 | return acbio;
|
---|
| 1022 |
|
---|
| 1023 | err:
|
---|
| 1024 | BIO_free_all(acbio);
|
---|
| 1025 | BIO_free(bufbio);
|
---|
| 1026 | return NULL;
|
---|
| 1027 | # endif
|
---|
| 1028 | }
|
---|
| 1029 |
|
---|
| 1030 | # ifndef OPENSSL_NO_SOCK
|
---|
| 1031 | /*
|
---|
| 1032 | * Decode %xx URL-decoding in-place. Ignores mal-formed sequences.
|
---|
| 1033 | */
|
---|
| 1034 | static int urldecode(char *p)
|
---|
| 1035 | {
|
---|
| 1036 | unsigned char *out = (unsigned char *)p;
|
---|
| 1037 | unsigned char *save = out;
|
---|
| 1038 |
|
---|
| 1039 | for (; *p; p++) {
|
---|
| 1040 | if (*p != '%')
|
---|
| 1041 | *out++ = *p;
|
---|
| 1042 | else if (isxdigit(_UC(p[1])) && isxdigit(_UC(p[2]))) {
|
---|
| 1043 | /* Don't check, can't fail because of ixdigit() call. */
|
---|
| 1044 | *out++ = (OPENSSL_hexchar2int(p[1]) << 4)
|
---|
| 1045 | | OPENSSL_hexchar2int(p[2]);
|
---|
| 1046 | p += 2;
|
---|
| 1047 | }
|
---|
| 1048 | else
|
---|
| 1049 | return -1;
|
---|
| 1050 | }
|
---|
| 1051 | *out = '\0';
|
---|
| 1052 | return (int)(out - save);
|
---|
| 1053 | }
|
---|
| 1054 | # endif
|
---|
| 1055 |
|
---|
| 1056 | static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
|
---|
| 1057 | {
|
---|
| 1058 | # ifdef OPENSSL_NO_SOCK
|
---|
| 1059 | return 0;
|
---|
| 1060 | # else
|
---|
| 1061 | int len;
|
---|
| 1062 | OCSP_REQUEST *req = NULL;
|
---|
| 1063 | char inbuf[2048], reqbuf[2048];
|
---|
| 1064 | char *p, *q;
|
---|
| 1065 | BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
|
---|
| 1066 |
|
---|
| 1067 | if (BIO_do_accept(acbio) <= 0) {
|
---|
| 1068 | BIO_printf(bio_err, "Error accepting connection\n");
|
---|
| 1069 | ERR_print_errors(bio_err);
|
---|
| 1070 | return 0;
|
---|
| 1071 | }
|
---|
| 1072 |
|
---|
| 1073 | cbio = BIO_pop(acbio);
|
---|
| 1074 | *pcbio = cbio;
|
---|
| 1075 |
|
---|
| 1076 | /* Read the request line. */
|
---|
| 1077 | len = BIO_gets(cbio, reqbuf, sizeof reqbuf);
|
---|
| 1078 | if (len <= 0)
|
---|
| 1079 | return 1;
|
---|
| 1080 | if (strncmp(reqbuf, "GET ", 4) == 0) {
|
---|
| 1081 | /* Expecting GET {sp} /URL {sp} HTTP/1.x */
|
---|
| 1082 | for (p = reqbuf + 4; *p == ' '; ++p)
|
---|
| 1083 | continue;
|
---|
| 1084 | if (*p != '/') {
|
---|
| 1085 | BIO_printf(bio_err, "Invalid request -- bad URL\n");
|
---|
| 1086 | return 1;
|
---|
| 1087 | }
|
---|
| 1088 | p++;
|
---|
| 1089 |
|
---|
| 1090 | /* Splice off the HTTP version identifier. */
|
---|
| 1091 | for (q = p; *q; q++)
|
---|
| 1092 | if (*q == ' ')
|
---|
| 1093 | break;
|
---|
| 1094 | if (strncmp(q, " HTTP/1.", 8) != 0) {
|
---|
| 1095 | BIO_printf(bio_err, "Invalid request -- bad HTTP vesion\n");
|
---|
| 1096 | return 1;
|
---|
| 1097 | }
|
---|
| 1098 | *q = '\0';
|
---|
| 1099 | len = urldecode(p);
|
---|
| 1100 | if (len <= 0) {
|
---|
| 1101 | BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
|
---|
| 1102 | return 1;
|
---|
| 1103 | }
|
---|
| 1104 | if ((getbio = BIO_new_mem_buf(p, len)) == NULL
|
---|
| 1105 | || (b64 = BIO_new(BIO_f_base64())) == NULL) {
|
---|
| 1106 | BIO_printf(bio_err, "Could not allocate memory\n");
|
---|
| 1107 | ERR_print_errors(bio_err);
|
---|
| 1108 | return 1;
|
---|
| 1109 | }
|
---|
| 1110 | BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
|
---|
| 1111 | getbio = BIO_push(b64, getbio);
|
---|
| 1112 | } else if (strncmp(reqbuf, "POST ", 5) != 0) {
|
---|
| 1113 | BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
|
---|
| 1114 | return 1;
|
---|
| 1115 | }
|
---|
| 1116 |
|
---|
| 1117 | /* Read and skip past the headers. */
|
---|
| 1118 | for (;;) {
|
---|
| 1119 | len = BIO_gets(cbio, inbuf, sizeof inbuf);
|
---|
| 1120 | if (len <= 0)
|
---|
| 1121 | return 1;
|
---|
| 1122 | if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
|
---|
| 1123 | break;
|
---|
| 1124 | }
|
---|
| 1125 |
|
---|
| 1126 | /* Try to read OCSP request */
|
---|
| 1127 | if (getbio) {
|
---|
| 1128 | req = d2i_OCSP_REQUEST_bio(getbio, NULL);
|
---|
| 1129 | BIO_free_all(getbio);
|
---|
| 1130 | } else
|
---|
| 1131 | req = d2i_OCSP_REQUEST_bio(cbio, NULL);
|
---|
| 1132 |
|
---|
| 1133 | if (!req) {
|
---|
| 1134 | BIO_printf(bio_err, "Error parsing OCSP request\n");
|
---|
| 1135 | ERR_print_errors(bio_err);
|
---|
| 1136 | }
|
---|
| 1137 |
|
---|
| 1138 | *preq = req;
|
---|
| 1139 |
|
---|
| 1140 | return 1;
|
---|
| 1141 | # endif
|
---|
| 1142 | }
|
---|
| 1143 |
|
---|
| 1144 | static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp)
|
---|
| 1145 | {
|
---|
| 1146 | char http_resp[] =
|
---|
| 1147 | "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n"
|
---|
| 1148 | "Content-Length: %d\r\n\r\n";
|
---|
| 1149 | if (!cbio)
|
---|
| 1150 | return 0;
|
---|
| 1151 | BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL));
|
---|
| 1152 | i2d_OCSP_RESPONSE_bio(cbio, resp);
|
---|
| 1153 | (void)BIO_flush(cbio);
|
---|
| 1154 | return 1;
|
---|
| 1155 | }
|
---|
| 1156 |
|
---|
| 1157 | # ifndef OPENSSL_NO_SOCK
|
---|
| 1158 | static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
|
---|
| 1159 | const char *path,
|
---|
| 1160 | const STACK_OF(CONF_VALUE) *headers,
|
---|
| 1161 | OCSP_REQUEST *req, int req_timeout)
|
---|
| 1162 | {
|
---|
| 1163 | int fd;
|
---|
| 1164 | int rv;
|
---|
| 1165 | int i;
|
---|
| 1166 | int add_host = 1;
|
---|
| 1167 | OCSP_REQ_CTX *ctx = NULL;
|
---|
| 1168 | OCSP_RESPONSE *rsp = NULL;
|
---|
| 1169 | fd_set confds;
|
---|
| 1170 | struct timeval tv;
|
---|
| 1171 |
|
---|
| 1172 | if (req_timeout != -1)
|
---|
| 1173 | BIO_set_nbio(cbio, 1);
|
---|
| 1174 |
|
---|
| 1175 | rv = BIO_do_connect(cbio);
|
---|
| 1176 |
|
---|
| 1177 | if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) {
|
---|
| 1178 | BIO_puts(bio_err, "Error connecting BIO\n");
|
---|
| 1179 | return NULL;
|
---|
| 1180 | }
|
---|
| 1181 |
|
---|
| 1182 | if (BIO_get_fd(cbio, &fd) < 0) {
|
---|
| 1183 | BIO_puts(bio_err, "Can't get connection fd\n");
|
---|
| 1184 | goto err;
|
---|
| 1185 | }
|
---|
| 1186 |
|
---|
| 1187 | if (req_timeout != -1 && rv <= 0) {
|
---|
| 1188 | FD_ZERO(&confds);
|
---|
| 1189 | openssl_fdset(fd, &confds);
|
---|
| 1190 | tv.tv_usec = 0;
|
---|
| 1191 | tv.tv_sec = req_timeout;
|
---|
| 1192 | rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
|
---|
| 1193 | if (rv == 0) {
|
---|
| 1194 | BIO_puts(bio_err, "Timeout on connect\n");
|
---|
| 1195 | return NULL;
|
---|
| 1196 | }
|
---|
| 1197 | }
|
---|
| 1198 |
|
---|
| 1199 | ctx = OCSP_sendreq_new(cbio, path, NULL, -1);
|
---|
| 1200 | if (ctx == NULL)
|
---|
| 1201 | return NULL;
|
---|
| 1202 |
|
---|
| 1203 | for (i = 0; i < sk_CONF_VALUE_num(headers); i++) {
|
---|
| 1204 | CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i);
|
---|
| 1205 | if (add_host == 1 && strcasecmp("host", hdr->name) == 0)
|
---|
| 1206 | add_host = 0;
|
---|
| 1207 | if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value))
|
---|
| 1208 | goto err;
|
---|
| 1209 | }
|
---|
| 1210 |
|
---|
| 1211 | if (add_host == 1 && OCSP_REQ_CTX_add1_header(ctx, "Host", host) == 0)
|
---|
| 1212 | goto err;
|
---|
| 1213 |
|
---|
| 1214 | if (!OCSP_REQ_CTX_set1_req(ctx, req))
|
---|
| 1215 | goto err;
|
---|
| 1216 |
|
---|
| 1217 | for (;;) {
|
---|
| 1218 | rv = OCSP_sendreq_nbio(&rsp, ctx);
|
---|
| 1219 | if (rv != -1)
|
---|
| 1220 | break;
|
---|
| 1221 | if (req_timeout == -1)
|
---|
| 1222 | continue;
|
---|
| 1223 | FD_ZERO(&confds);
|
---|
| 1224 | openssl_fdset(fd, &confds);
|
---|
| 1225 | tv.tv_usec = 0;
|
---|
| 1226 | tv.tv_sec = req_timeout;
|
---|
| 1227 | if (BIO_should_read(cbio))
|
---|
| 1228 | rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv);
|
---|
| 1229 | else if (BIO_should_write(cbio))
|
---|
| 1230 | rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv);
|
---|
| 1231 | else {
|
---|
| 1232 | BIO_puts(bio_err, "Unexpected retry condition\n");
|
---|
| 1233 | goto err;
|
---|
| 1234 | }
|
---|
| 1235 | if (rv == 0) {
|
---|
| 1236 | BIO_puts(bio_err, "Timeout on request\n");
|
---|
| 1237 | break;
|
---|
| 1238 | }
|
---|
| 1239 | if (rv == -1) {
|
---|
| 1240 | BIO_puts(bio_err, "Select error\n");
|
---|
| 1241 | break;
|
---|
| 1242 | }
|
---|
| 1243 |
|
---|
| 1244 | }
|
---|
| 1245 | err:
|
---|
| 1246 | OCSP_REQ_CTX_free(ctx);
|
---|
| 1247 |
|
---|
| 1248 | return rsp;
|
---|
| 1249 | }
|
---|
| 1250 |
|
---|
| 1251 | OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
|
---|
| 1252 | const char *host, const char *path,
|
---|
| 1253 | const char *port, int use_ssl,
|
---|
| 1254 | STACK_OF(CONF_VALUE) *headers,
|
---|
| 1255 | int req_timeout)
|
---|
| 1256 | {
|
---|
| 1257 | BIO *cbio = NULL;
|
---|
| 1258 | SSL_CTX *ctx = NULL;
|
---|
| 1259 | OCSP_RESPONSE *resp = NULL;
|
---|
| 1260 |
|
---|
| 1261 | cbio = BIO_new_connect(host);
|
---|
| 1262 | if (!cbio) {
|
---|
| 1263 | BIO_printf(bio_err, "Error creating connect BIO\n");
|
---|
| 1264 | goto end;
|
---|
| 1265 | }
|
---|
| 1266 | if (port)
|
---|
| 1267 | BIO_set_conn_port(cbio, port);
|
---|
| 1268 | if (use_ssl == 1) {
|
---|
| 1269 | BIO *sbio;
|
---|
| 1270 | ctx = SSL_CTX_new(TLS_client_method());
|
---|
| 1271 | if (ctx == NULL) {
|
---|
| 1272 | BIO_printf(bio_err, "Error creating SSL context.\n");
|
---|
| 1273 | goto end;
|
---|
| 1274 | }
|
---|
| 1275 | SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
|
---|
| 1276 | sbio = BIO_new_ssl(ctx, 1);
|
---|
| 1277 | cbio = BIO_push(sbio, cbio);
|
---|
| 1278 | }
|
---|
| 1279 |
|
---|
| 1280 | resp = query_responder(cbio, host, path, headers, req, req_timeout);
|
---|
| 1281 | if (!resp)
|
---|
| 1282 | BIO_printf(bio_err, "Error querying OCSP responder\n");
|
---|
| 1283 | end:
|
---|
| 1284 | BIO_free_all(cbio);
|
---|
| 1285 | SSL_CTX_free(ctx);
|
---|
| 1286 | return resp;
|
---|
| 1287 | }
|
---|
| 1288 | # endif
|
---|
| 1289 |
|
---|
| 1290 | #endif
|
---|