in lib/openssl/apps/ocsp.c [225:832]
int ocsp_main(int argc, char **argv)
{
BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL;
const EVP_MD *cert_id_md = NULL, *rsign_md = NULL;
STACK_OF(OPENSSL_STRING) *rsign_sigopts = NULL;
int trailing_md = 0;
CA_DB *rdb = NULL;
EVP_PKEY *key = NULL, *rkey = NULL;
OCSP_BASICRESP *bs = NULL;
OCSP_REQUEST *req = NULL;
OCSP_RESPONSE *resp = NULL;
STACK_OF(CONF_VALUE) *headers = NULL;
STACK_OF(OCSP_CERTID) *ids = NULL;
STACK_OF(OPENSSL_STRING) *reqnames = NULL;
STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;
STACK_OF(X509) *issuers = NULL;
X509 *issuer = NULL, *cert = NULL;
STACK_OF(X509) *rca_cert = NULL;
X509 *signer = NULL, *rsigner = NULL;
X509_STORE *store = NULL;
X509_VERIFY_PARAM *vpm = NULL;
const char *CAfile = NULL, *CApath = NULL;
char *header, *value;
char *host = NULL, *port = NULL, *path = "/", *outfile = NULL;
char *rca_filename = NULL, *reqin = NULL, *respin = NULL;
char *reqout = NULL, *respout = NULL, *ridx_filename = NULL;
char *rsignfile = NULL, *rkeyfile = NULL;
char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;
char *signfile = NULL, *keyfile = NULL;
char *thost = NULL, *tport = NULL, *tpath = NULL;
int noCAfile = 0, noCApath = 0;
int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
int req_text = 0, resp_text = 0, ret = 1;
int req_timeout = -1;
long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
OPTION_CHOICE o;
reqnames = sk_OPENSSL_STRING_new_null();
if (reqnames == NULL)
goto end;
ids = sk_OCSP_CERTID_new_null();
if (ids == NULL)
goto end;
if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
return 1;
prog = opt_init(argc, argv, ocsp_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
ret = 0;
opt_help(ocsp_options);
goto end;
case OPT_OUTFILE:
outfile = opt_arg();
break;
case OPT_TIMEOUT:
#ifndef OPENSSL_NO_SOCK
req_timeout = atoi(opt_arg());
#endif
break;
case OPT_URL:
OPENSSL_free(thost);
OPENSSL_free(tport);
OPENSSL_free(tpath);
thost = tport = tpath = NULL;
if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) {
BIO_printf(bio_err, "%s Error parsing URL\n", prog);
goto end;
}
thost = host;
tport = port;
tpath = path;
break;
case OPT_HOST:
host = opt_arg();
break;
case OPT_PORT:
port = opt_arg();
break;
case OPT_IGNORE_ERR:
ignore_err = 1;
break;
case OPT_NOVERIFY:
noverify = 1;
break;
case OPT_NONCE:
add_nonce = 2;
break;
case OPT_NO_NONCE:
add_nonce = 0;
break;
case OPT_RESP_NO_CERTS:
rflags |= OCSP_NOCERTS;
break;
case OPT_RESP_KEY_ID:
rflags |= OCSP_RESPID_KEY;
break;
case OPT_NO_CERTS:
sign_flags |= OCSP_NOCERTS;
break;
case OPT_NO_SIGNATURE_VERIFY:
verify_flags |= OCSP_NOSIGS;
break;
case OPT_NO_CERT_VERIFY:
verify_flags |= OCSP_NOVERIFY;
break;
case OPT_NO_CHAIN:
verify_flags |= OCSP_NOCHAIN;
break;
case OPT_NO_CERT_CHECKS:
verify_flags |= OCSP_NOCHECKS;
break;
case OPT_NO_EXPLICIT:
verify_flags |= OCSP_NOEXPLICIT;
break;
case OPT_TRUST_OTHER:
verify_flags |= OCSP_TRUSTOTHER;
break;
case OPT_NO_INTERN:
verify_flags |= OCSP_NOINTERN;
break;
case OPT_BADSIG:
badsig = 1;
break;
case OPT_TEXT:
req_text = resp_text = 1;
break;
case OPT_REQ_TEXT:
req_text = 1;
break;
case OPT_RESP_TEXT:
resp_text = 1;
break;
case OPT_REQIN:
reqin = opt_arg();
break;
case OPT_RESPIN:
respin = opt_arg();
break;
case OPT_SIGNER:
signfile = opt_arg();
break;
case OPT_VAFILE:
verify_certfile = opt_arg();
verify_flags |= OCSP_TRUSTOTHER;
break;
case OPT_SIGN_OTHER:
sign_certfile = opt_arg();
break;
case OPT_VERIFY_OTHER:
verify_certfile = opt_arg();
break;
case OPT_CAFILE:
CAfile = opt_arg();
break;
case OPT_CAPATH:
CApath = opt_arg();
break;
case OPT_NOCAFILE:
noCAfile = 1;
break;
case OPT_NOCAPATH:
noCApath = 1;
break;
case OPT_V_CASES:
if (!opt_verify(o, vpm))
goto end;
vpmtouched++;
break;
case OPT_VALIDITY_PERIOD:
opt_long(opt_arg(), &nsec);
break;
case OPT_STATUS_AGE:
opt_long(opt_arg(), &maxage);
break;
case OPT_SIGNKEY:
keyfile = opt_arg();
break;
case OPT_REQOUT:
reqout = opt_arg();
break;
case OPT_RESPOUT:
respout = opt_arg();
break;
case OPT_PATH:
path = opt_arg();
break;
case OPT_ISSUER:
issuer = load_cert(opt_arg(), FORMAT_PEM, "issuer certificate");
if (issuer == NULL)
goto end;
if (issuers == NULL) {
if ((issuers = sk_X509_new_null()) == NULL)
goto end;
}
sk_X509_push(issuers, issuer);
break;
case OPT_CERT:
X509_free(cert);
cert = load_cert(opt_arg(), FORMAT_PEM, "certificate");
if (cert == NULL)
goto end;
if (cert_id_md == NULL)
cert_id_md = EVP_sha1();
if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids))
goto end;
if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
goto end;
trailing_md = 0;
break;
case OPT_SERIAL:
if (cert_id_md == NULL)
cert_id_md = EVP_sha1();
if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids))
goto end;
if (!sk_OPENSSL_STRING_push(reqnames, opt_arg()))
goto end;
trailing_md = 0;
break;
case OPT_INDEX:
ridx_filename = opt_arg();
break;
case OPT_CA:
rca_filename = opt_arg();
break;
case OPT_NMIN:
opt_int(opt_arg(), &nmin);
if (ndays == -1)
ndays = 0;
break;
case OPT_REQUEST:
opt_int(opt_arg(), &accept_count);
break;
case OPT_NDAYS:
ndays = atoi(opt_arg());
break;
case OPT_RSIGNER:
rsignfile = opt_arg();
break;
case OPT_RKEY:
rkeyfile = opt_arg();
break;
case OPT_ROTHER:
rcertfile = opt_arg();
break;
case OPT_RMD: /* Response MessageDigest */
if (!opt_md(opt_arg(), &rsign_md))
goto end;
break;
case OPT_RSIGOPT:
if (rsign_sigopts == NULL)
rsign_sigopts = sk_OPENSSL_STRING_new_null();
if (rsign_sigopts == NULL || !sk_OPENSSL_STRING_push(rsign_sigopts, opt_arg()))
goto end;
break;
case OPT_HEADER:
header = opt_arg();
value = strchr(header, '=');
if (value == NULL) {
BIO_printf(bio_err, "Missing = in header key=value\n");
goto opthelp;
}
*value++ = '\0';
if (!X509V3_add_value(header, value, &headers))
goto end;
break;
case OPT_MD:
if (trailing_md) {
BIO_printf(bio_err,
"%s: Digest must be before -cert or -serial\n",
prog);
goto opthelp;
}
if (!opt_md(opt_unknown(), &cert_id_md))
goto opthelp;
trailing_md = 1;
break;
case OPT_MULTI:
#ifdef OCSP_DAEMON
multi = atoi(opt_arg());
#endif
break;
}
}
if (trailing_md) {
BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
prog);
goto opthelp;
}
argc = opt_num_rest();
if (argc != 0)
goto opthelp;
/* Have we anything to do? */
if (req == NULL && reqin == NULL
&& respin == NULL && !(port != NULL && ridx_filename != NULL))
goto opthelp;
out = bio_open_default(outfile, 'w', FORMAT_TEXT);
if (out == NULL)
goto end;
if (req == NULL && (add_nonce != 2))
add_nonce = 0;
if (req == NULL && reqin != NULL) {
derbio = bio_open_default(reqin, 'r', FORMAT_ASN1);
if (derbio == NULL)
goto end;
req = d2i_OCSP_REQUEST_bio(derbio, NULL);
BIO_free(derbio);
if (req == NULL) {
BIO_printf(bio_err, "Error reading OCSP request\n");
goto end;
}
}
if (req == NULL && port != NULL) {
acbio = init_responder(port);
if (acbio == NULL)
goto end;
}
if (rsignfile != NULL) {
if (rkeyfile == NULL)
rkeyfile = rsignfile;
rsigner = load_cert(rsignfile, FORMAT_PEM, "responder certificate");
if (rsigner == NULL) {
BIO_printf(bio_err, "Error loading responder certificate\n");
goto end;
}
if (!load_certs(rca_filename, &rca_cert, FORMAT_PEM,
NULL, "CA certificate"))
goto end;
if (rcertfile != NULL) {
if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL,
"responder other certificates"))
goto end;
}
rkey = load_key(rkeyfile, FORMAT_PEM, 0, NULL, NULL,
"responder private key");
if (rkey == NULL)
goto end;
}
if (ridx_filename != NULL
&& (rkey == NULL || rsigner == NULL || rca_cert == NULL)) {
BIO_printf(bio_err,
"Responder mode requires certificate, key, and CA.\n");
goto end;
}
if (ridx_filename != NULL) {
rdb = load_index(ridx_filename, NULL);
if (rdb == NULL || index_index(rdb) <= 0) {
ret = 1;
goto end;
}
}
#ifdef OCSP_DAEMON
if (multi && acbio != NULL)
spawn_loop();
if (acbio != NULL && req_timeout > 0)
signal(SIGALRM, socket_timeout);
#endif
if (acbio != NULL)
log_message(LOG_INFO, "waiting for OCSP client connections...");
redo_accept:
if (acbio != NULL) {
#ifdef OCSP_DAEMON
if (index_changed(rdb)) {
CA_DB *newrdb = load_index(ridx_filename, NULL);
if (newrdb != NULL && index_index(newrdb) > 0) {
free_index(rdb);
rdb = newrdb;
} else {
free_index(newrdb);
log_message(LOG_ERR, "error reloading updated index: %s",
ridx_filename);
}
}
#endif
req = NULL;
if (!do_responder(&req, &cbio, acbio, req_timeout))
goto redo_accept;
if (req == NULL) {
resp =
OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
NULL);
send_ocsp_response(cbio, resp);
goto done_resp;
}
}
if (req == NULL
&& (signfile != NULL || reqout != NULL
|| host != NULL || add_nonce || ridx_filename != NULL)) {
BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
goto end;
}
if (req != NULL && add_nonce) {
if (!OCSP_request_add1_nonce(req, NULL, -1))
goto end;
}
if (signfile != NULL) {
if (keyfile == NULL)
keyfile = signfile;
signer = load_cert(signfile, FORMAT_PEM, "signer certificate");
if (signer == NULL) {
BIO_printf(bio_err, "Error loading signer certificate\n");
goto end;
}
if (sign_certfile != NULL) {
if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL,
"signer certificates"))
goto end;
}
key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL,
"signer private key");
if (key == NULL)
goto end;
if (!OCSP_request_sign
(req, signer, key, NULL, sign_other, sign_flags)) {
BIO_printf(bio_err, "Error signing OCSP request\n");
goto end;
}
}
if (req_text && req != NULL)
OCSP_REQUEST_print(out, req, 0);
if (reqout != NULL) {
derbio = bio_open_default(reqout, 'w', FORMAT_ASN1);
if (derbio == NULL)
goto end;
i2d_OCSP_REQUEST_bio(derbio, req);
BIO_free(derbio);
}
if (rdb != NULL) {
make_ocsp_response(bio_err, &resp, req, rdb, rca_cert, rsigner, rkey,
rsign_md, rsign_sigopts, rother, rflags, nmin, ndays, badsig);
if (cbio != NULL)
send_ocsp_response(cbio, resp);
} else if (host != NULL) {
#ifndef OPENSSL_NO_SOCK
resp = process_responder(req, host, path,
port, use_ssl, headers, req_timeout);
if (resp == NULL)
goto end;
#else
BIO_printf(bio_err,
"Error creating connect BIO - sockets not supported.\n");
goto end;
#endif
} else if (respin != NULL) {
derbio = bio_open_default(respin, 'r', FORMAT_ASN1);
if (derbio == NULL)
goto end;
resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
BIO_free(derbio);
if (resp == NULL) {
BIO_printf(bio_err, "Error reading OCSP response\n");
goto end;
}
} else {
ret = 0;
goto end;
}
done_resp:
if (respout != NULL) {
derbio = bio_open_default(respout, 'w', FORMAT_ASN1);
if (derbio == NULL)
goto end;
i2d_OCSP_RESPONSE_bio(derbio, resp);
BIO_free(derbio);
}
i = OCSP_response_status(resp);
if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
BIO_printf(out, "Responder Error: %s (%d)\n",
OCSP_response_status_str(i), i);
if (!ignore_err)
goto end;
}
if (resp_text)
OCSP_RESPONSE_print(out, resp, 0);
/* If running as responder don't verify our own response */
if (cbio != NULL) {
/* If not unlimited, see if we took all we should. */
if (accept_count != -1 && --accept_count <= 0) {
ret = 0;
goto end;
}
BIO_free_all(cbio);
cbio = NULL;
OCSP_REQUEST_free(req);
req = NULL;
OCSP_RESPONSE_free(resp);
resp = NULL;
goto redo_accept;
}
if (ridx_filename != NULL) {
ret = 0;
goto end;
}
if (store == NULL) {
store = setup_verify(CAfile, CApath, noCAfile, noCApath);
if (!store)
goto end;
}
if (vpmtouched)
X509_STORE_set1_param(store, vpm);
if (verify_certfile != NULL) {
if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL,
"validator certificate"))
goto end;
}
bs = OCSP_response_get1_basic(resp);
if (bs == NULL) {
BIO_printf(bio_err, "Error parsing response\n");
goto end;
}
ret = 0;
if (!noverify) {
if (req != NULL && ((i = OCSP_check_nonce(req, bs)) <= 0)) {
if (i == -1)
BIO_printf(bio_err, "WARNING: no nonce in response\n");
else {
BIO_printf(bio_err, "Nonce Verify error\n");
ret = 1;
goto end;
}
}
i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
if (i <= 0 && issuers) {
i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER);
if (i > 0)
ERR_clear_error();
}
if (i <= 0) {
BIO_printf(bio_err, "Response Verify Failure\n");
ERR_print_errors(bio_err);
ret = 1;
} else {
BIO_printf(bio_err, "Response verify OK\n");
}
}
print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage);
end:
ERR_print_errors(bio_err);
X509_free(signer);
X509_STORE_free(store);
X509_VERIFY_PARAM_free(vpm);
sk_OPENSSL_STRING_free(rsign_sigopts);
EVP_PKEY_free(key);
EVP_PKEY_free(rkey);
X509_free(cert);
sk_X509_pop_free(issuers, X509_free);
X509_free(rsigner);
sk_X509_pop_free(rca_cert, X509_free);
free_index(rdb);
BIO_free_all(cbio);
BIO_free_all(acbio);
BIO_free_all(out);
OCSP_REQUEST_free(req);
OCSP_RESPONSE_free(resp);
OCSP_BASICRESP_free(bs);
sk_OPENSSL_STRING_free(reqnames);
sk_OCSP_CERTID_free(ids);
sk_X509_pop_free(sign_other, X509_free);
sk_X509_pop_free(verify_other, X509_free);
sk_CONF_VALUE_pop_free(headers, X509V3_conf_free);
OPENSSL_free(thost);
OPENSSL_free(tport);
OPENSSL_free(tpath);
return ret;
}