-/* apps/s_cb.c */
+/* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
+/* ====================================================================
+ * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
#include <stdio.h>
#include <stdlib.h>
#include "apps.h"
#undef NON_MAIN
#undef USE_SOCKETS
-#include "err.h"
-#include "x509.h"
-#include "ssl.h"
+#include <openssl/err.h>
+#include <openssl/rand.h>
+#include <openssl/x509.h>
+#include <openssl/ssl.h>
#include "s_apps.h"
+#define COOKIE_SECRET_LENGTH 16
+
int verify_depth=0;
int verify_error=X509_V_OK;
+int verify_return_error=0;
+unsigned char cookie_secret[COOKIE_SECRET_LENGTH];
+int cookie_initialized=0;
-int MS_CALLBACK verify_callback(ok, ctx)
-int ok;
-X509_STORE_CTX *ctx;
+int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
{
- char buf[256];
X509 *err_cert;
int err,depth;
err= X509_STORE_CTX_get_error(ctx);
depth= X509_STORE_CTX_get_error_depth(ctx);
- X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
- BIO_printf(bio_err,"depth=%d %s\n",depth,buf);
+ BIO_printf(bio_err,"depth=%d ",depth);
+ if (err_cert)
+ {
+ X509_NAME_print_ex(bio_err, X509_get_subject_name(err_cert),
+ 0, XN_FLAG_ONELINE);
+ BIO_puts(bio_err, "\n");
+ }
+ else
+ BIO_puts(bio_err, "<no cert>\n");
if (!ok)
{
BIO_printf(bio_err,"verify error:num=%d:%s\n",err,
X509_verify_cert_error_string(err));
if (verify_depth >= depth)
{
- ok=1;
+ if (!verify_return_error)
+ ok=1;
verify_error=X509_V_OK;
}
else
verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
}
}
- switch (ctx->error)
+ switch (err)
{
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
- X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert),buf,256);
- BIO_printf(bio_err,"issuer= %s\n",buf);
+ BIO_puts(bio_err,"issuer= ");
+ X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert),
+ 0, XN_FLAG_ONELINE);
+ BIO_puts(bio_err, "\n");
break;
case X509_V_ERR_CERT_NOT_YET_VALID:
case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
BIO_printf(bio_err,"notBefore=");
- ASN1_TIME_print(bio_err,X509_get_notBefore(ctx->current_cert));
+ ASN1_TIME_print(bio_err,X509_get_notBefore(err_cert));
BIO_printf(bio_err,"\n");
break;
case X509_V_ERR_CERT_HAS_EXPIRED:
case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
BIO_printf(bio_err,"notAfter=");
- ASN1_TIME_print(bio_err,X509_get_notAfter(ctx->current_cert));
+ ASN1_TIME_print(bio_err,X509_get_notAfter(err_cert));
BIO_printf(bio_err,"\n");
break;
+ case X509_V_ERR_NO_EXPLICIT_POLICY:
+ policies_print(bio_err, ctx);
+ break;
}
+ if (err == X509_V_OK && ok == 2)
+ policies_print(bio_err, ctx);
+
BIO_printf(bio_err,"verify return:%d\n",ok);
return(ok);
}
-int set_cert_stuff(ctx, cert_file, key_file)
-SSL_CTX *ctx;
-char *cert_file;
-char *key_file;
+int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
{
if (cert_file != NULL)
{
ssl=SSL_new(ctx);
x509=SSL_get_certificate(ssl);
- if (x509 != NULL)
- EVP_PKEY_copy_parameters(X509_get_pubkey(x509),
- SSL_get_privatekey(ssl));
+ if (x509 != NULL) {
+ EVP_PKEY *pktmp;
+ pktmp = X509_get_pubkey(x509);
+ EVP_PKEY_copy_parameters(pktmp,
+ SSL_get_privatekey(ssl));
+ EVP_PKEY_free(pktmp);
+ }
SSL_free(ssl);
*/
/* If we are using DSA, we can copy the parameters from
* the private key */
-
-
+
+
/* Now we know that a key and cert have been set against
* the SSL context */
if (!SSL_CTX_check_private_key(ctx))
return(1);
}
-long MS_CALLBACK bio_dump_cb(bio,cmd,argp,argi,argl,ret)
-BIO *bio;
-int cmd;
-char *argp;
-int argi;
-long argl;
-long ret;
+int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key)
+ {
+ if (cert == NULL)
+ return 1;
+ if (SSL_CTX_use_certificate(ctx,cert) <= 0)
+ {
+ BIO_printf(bio_err,"error setting certificate\n");
+ ERR_print_errors(bio_err);
+ return 0;
+ }
+ if (SSL_CTX_use_PrivateKey(ctx,key) <= 0)
+ {
+ BIO_printf(bio_err,"error setting private key\n");
+ ERR_print_errors(bio_err);
+ return 0;
+ }
+
+
+ /* Now we know that a key and cert have been set against
+ * the SSL context */
+ if (!SSL_CTX_check_private_key(ctx))
+ {
+ BIO_printf(bio_err,"Private key does not match the certificate public key\n");
+ return 0;
+ }
+ return 1;
+ }
+
+long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
+ int argi, long argl, long ret)
{
BIO *out;
if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
{
- BIO_printf(out,"read from %08X [%08lX] (%d bytes => %ld (0x%X))\n",
- bio,argp,argi,ret,ret);
+ BIO_printf(out,"read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
+ (void *)bio,argp,(unsigned long)argi,ret,ret);
BIO_dump(out,argp,(int)ret);
return(ret);
}
else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
{
- BIO_printf(out,"write to %08X [%08lX] (%d bytes => %ld (0x%X))\n",
- bio,argp,argi,ret,ret);
+ BIO_printf(out,"write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
+ (void *)bio,argp,(unsigned long)argi,ret,ret);
BIO_dump(out,argp,(int)ret);
}
return(ret);
}
-void MS_CALLBACK apps_ssl_info_callback(s,where,ret)
-SSL *s;
-int where;
-int ret;
+void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret)
{
- char *str;
+ const char *str;
int w;
w=where& ~SSL_ST_MASK;
}
}
+
+void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)
+ {
+ BIO *bio = arg;
+ const char *str_write_p, *str_version, *str_content_type = "", *str_details1 = "", *str_details2= "";
+
+ str_write_p = write_p ? ">>>" : "<<<";
+
+ switch (version)
+ {
+ case SSL2_VERSION:
+ str_version = "SSL 2.0";
+ break;
+ case SSL3_VERSION:
+ str_version = "SSL 3.0 ";
+ break;
+ case TLS1_VERSION:
+ str_version = "TLS 1.0 ";
+ break;
+ case TLS1_1_VERSION:
+ str_version = "TLS 1.1 ";
+ break;
+ case TLS1_2_VERSION:
+ str_version = "TLS 1.2 ";
+ break;
+ case DTLS1_VERSION:
+ str_version = "DTLS 1.0 ";
+ break;
+ case DTLS1_BAD_VER:
+ str_version = "DTLS 1.0 (bad) ";
+ break;
+ default:
+ str_version = "???";
+ }
+
+ if (version == SSL2_VERSION)
+ {
+ str_details1 = "???";
+
+ if (len > 0)
+ {
+ switch (((const unsigned char*)buf)[0])
+ {
+ case 0:
+ str_details1 = ", ERROR:";
+ str_details2 = " ???";
+ if (len >= 3)
+ {
+ unsigned err = (((const unsigned char*)buf)[1]<<8) + ((const unsigned char*)buf)[2];
+
+ switch (err)
+ {
+ case 0x0001:
+ str_details2 = " NO-CIPHER-ERROR";
+ break;
+ case 0x0002:
+ str_details2 = " NO-CERTIFICATE-ERROR";
+ break;
+ case 0x0004:
+ str_details2 = " BAD-CERTIFICATE-ERROR";
+ break;
+ case 0x0006:
+ str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
+ break;
+ }
+ }
+
+ break;
+ case 1:
+ str_details1 = ", CLIENT-HELLO";
+ break;
+ case 2:
+ str_details1 = ", CLIENT-MASTER-KEY";
+ break;
+ case 3:
+ str_details1 = ", CLIENT-FINISHED";
+ break;
+ case 4:
+ str_details1 = ", SERVER-HELLO";
+ break;
+ case 5:
+ str_details1 = ", SERVER-VERIFY";
+ break;
+ case 6:
+ str_details1 = ", SERVER-FINISHED";
+ break;
+ case 7:
+ str_details1 = ", REQUEST-CERTIFICATE";
+ break;
+ case 8:
+ str_details1 = ", CLIENT-CERTIFICATE";
+ break;
+ }
+ }
+ }
+
+ if (version == SSL3_VERSION ||
+ version == TLS1_VERSION ||
+ version == TLS1_1_VERSION ||
+ version == TLS1_2_VERSION ||
+ version == DTLS1_VERSION ||
+ version == DTLS1_BAD_VER)
+ {
+ switch (content_type)
+ {
+ case 20:
+ str_content_type = "ChangeCipherSpec";
+ break;
+ case 21:
+ str_content_type = "Alert";
+ break;
+ case 22:
+ str_content_type = "Handshake";
+ break;
+ }
+
+ if (content_type == 21) /* Alert */
+ {
+ str_details1 = ", ???";
+
+ if (len == 2)
+ {
+ switch (((const unsigned char*)buf)[0])
+ {
+ case 1:
+ str_details1 = ", warning";
+ break;
+ case 2:
+ str_details1 = ", fatal";
+ break;
+ }
+
+ str_details2 = " ???";
+ switch (((const unsigned char*)buf)[1])
+ {
+ case 0:
+ str_details2 = " close_notify";
+ break;
+ case 10:
+ str_details2 = " unexpected_message";
+ break;
+ case 20:
+ str_details2 = " bad_record_mac";
+ break;
+ case 21:
+ str_details2 = " decryption_failed";
+ break;
+ case 22:
+ str_details2 = " record_overflow";
+ break;
+ case 30:
+ str_details2 = " decompression_failure";
+ break;
+ case 40:
+ str_details2 = " handshake_failure";
+ break;
+ case 42:
+ str_details2 = " bad_certificate";
+ break;
+ case 43:
+ str_details2 = " unsupported_certificate";
+ break;
+ case 44:
+ str_details2 = " certificate_revoked";
+ break;
+ case 45:
+ str_details2 = " certificate_expired";
+ break;
+ case 46:
+ str_details2 = " certificate_unknown";
+ break;
+ case 47:
+ str_details2 = " illegal_parameter";
+ break;
+ case 48:
+ str_details2 = " unknown_ca";
+ break;
+ case 49:
+ str_details2 = " access_denied";
+ break;
+ case 50:
+ str_details2 = " decode_error";
+ break;
+ case 51:
+ str_details2 = " decrypt_error";
+ break;
+ case 60:
+ str_details2 = " export_restriction";
+ break;
+ case 70:
+ str_details2 = " protocol_version";
+ break;
+ case 71:
+ str_details2 = " insufficient_security";
+ break;
+ case 80:
+ str_details2 = " internal_error";
+ break;
+ case 90:
+ str_details2 = " user_canceled";
+ break;
+ case 100:
+ str_details2 = " no_renegotiation";
+ break;
+ case 110:
+ str_details2 = " unsupported_extension";
+ break;
+ case 111:
+ str_details2 = " certificate_unobtainable";
+ break;
+ case 112:
+ str_details2 = " unrecognized_name";
+ break;
+ case 113:
+ str_details2 = " bad_certificate_status_response";
+ break;
+ case 114:
+ str_details2 = " bad_certificate_hash_value";
+ break;
+ case 115:
+ str_details2 = " unknown_psk_identity";
+ break;
+ }
+ }
+ }
+
+ if (content_type == 22) /* Handshake */
+ {
+ str_details1 = "???";
+
+ if (len > 0)
+ {
+ switch (((const unsigned char*)buf)[0])
+ {
+ case 0:
+ str_details1 = ", HelloRequest";
+ break;
+ case 1:
+ str_details1 = ", ClientHello";
+ break;
+ case 2:
+ str_details1 = ", ServerHello";
+ break;
+ case 3:
+ str_details1 = ", HelloVerifyRequest";
+ break;
+ case 11:
+ str_details1 = ", Certificate";
+ break;
+ case 12:
+ str_details1 = ", ServerKeyExchange";
+ break;
+ case 13:
+ str_details1 = ", CertificateRequest";
+ break;
+ case 14:
+ str_details1 = ", ServerHelloDone";
+ break;
+ case 15:
+ str_details1 = ", CertificateVerify";
+ break;
+ case 16:
+ str_details1 = ", ClientKeyExchange";
+ break;
+ case 20:
+ str_details1 = ", Finished";
+ break;
+ }
+ }
+ }
+
+#ifndef OPENSSL_NO_HEARTBEATS
+ if (content_type == 24) /* Heartbeat */
+ {
+ str_details1 = ", Heartbeat";
+
+ if (len > 0)
+ {
+ switch (((const unsigned char*)buf)[0])
+ {
+ case 1:
+ str_details1 = ", HeartbeatRequest";
+ break;
+ case 2:
+ str_details1 = ", HeartbeatResponse";
+ break;
+ }
+ }
+ }
+#endif
+ }
+
+ BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version, str_content_type, (unsigned long)len, str_details1, str_details2);
+
+ if (len > 0)
+ {
+ size_t num, i;
+
+ BIO_printf(bio, " ");
+ num = len;
+#if 0
+ if (num > 16)
+ num = 16;
+#endif
+ for (i = 0; i < num; i++)
+ {
+ if (i % 16 == 0 && i > 0)
+ BIO_printf(bio, "\n ");
+ BIO_printf(bio, " %02x", ((const unsigned char*)buf)[i]);
+ }
+ if (i < len)
+ BIO_printf(bio, " ...");
+ BIO_printf(bio, "\n");
+ }
+ (void)BIO_flush(bio);
+ }
+
+void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
+ unsigned char *data, int len,
+ void *arg)
+ {
+ BIO *bio = arg;
+ char *extname;
+
+ switch(type)
+ {
+ case TLSEXT_TYPE_server_name:
+ extname = "server name";
+ break;
+
+ case TLSEXT_TYPE_max_fragment_length:
+ extname = "max fragment length";
+ break;
+
+ case TLSEXT_TYPE_client_certificate_url:
+ extname = "client certificate URL";
+ break;
+
+ case TLSEXT_TYPE_trusted_ca_keys:
+ extname = "trusted CA keys";
+ break;
+
+ case TLSEXT_TYPE_truncated_hmac:
+ extname = "truncated HMAC";
+ break;
+
+ case TLSEXT_TYPE_status_request:
+ extname = "status request";
+ break;
+
+ case TLSEXT_TYPE_user_mapping:
+ extname = "user mapping";
+ break;
+
+ case TLSEXT_TYPE_client_authz:
+ extname = "client authz";
+ break;
+
+ case TLSEXT_TYPE_server_authz:
+ extname = "server authz";
+ break;
+
+ case TLSEXT_TYPE_cert_type:
+ extname = "cert type";
+ break;
+
+ case TLSEXT_TYPE_elliptic_curves:
+ extname = "elliptic curves";
+ break;
+
+ case TLSEXT_TYPE_ec_point_formats:
+ extname = "EC point formats";
+ break;
+
+ case TLSEXT_TYPE_srp:
+ extname = "SRP";
+ break;
+
+ case TLSEXT_TYPE_signature_algorithms:
+ extname = "signature algorithms";
+ break;
+
+ case TLSEXT_TYPE_use_srtp:
+ extname = "use SRTP";
+ break;
+
+ case TLSEXT_TYPE_heartbeat:
+ extname = "heartbeat";
+ break;
+
+ case TLSEXT_TYPE_session_ticket:
+ extname = "session ticket";
+ break;
+
+ case TLSEXT_TYPE_renegotiate:
+ extname = "renegotiation info";
+ break;
+
+#ifdef TLSEXT_TYPE_opaque_prf_input
+ case TLSEXT_TYPE_opaque_prf_input:
+ extname = "opaque PRF input";
+ break;
+#endif
+#ifdef TLSEXT_TYPE_next_proto_neg
+ case TLSEXT_TYPE_next_proto_neg:
+ extname = "next protocol";
+ break;
+#endif
+
+ default:
+ extname = "unknown";
+ break;
+
+ }
+
+ BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
+ client_server ? "server": "client",
+ extname, type, len);
+ BIO_dump(bio, (char *)data, len);
+ (void)BIO_flush(bio);
+ }
+
+int MS_CALLBACK generate_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len)
+ {
+ unsigned char *buffer, result[EVP_MAX_MD_SIZE];
+ unsigned int length, resultlength;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in s4;
+#if OPENSSL_USE_IPV6
+ struct sockaddr_in6 s6;
+#endif
+ } peer;
+
+ /* Initialize a random secret */
+ if (!cookie_initialized)
+ {
+ if (!RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH))
+ {
+ BIO_printf(bio_err,"error setting random cookie secret\n");
+ return 0;
+ }
+ cookie_initialized = 1;
+ }
+
+ /* Read peer information */
+ (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
+
+ /* Create buffer with peer's address and port */
+ length = 0;
+ switch (peer.sa.sa_family)
+ {
+ case AF_INET:
+ length += sizeof(struct in_addr);
+ length += sizeof(peer.s4.sin_port);
+ break;
+#if OPENSSL_USE_IPV6
+ case AF_INET6:
+ length += sizeof(struct in6_addr);
+ length += sizeof(peer.s6.sin6_port);
+ break;
+#endif
+ default:
+ OPENSSL_assert(0);
+ break;
+ }
+ buffer = OPENSSL_malloc(length);
+
+ if (buffer == NULL)
+ {
+ BIO_printf(bio_err,"out of memory\n");
+ return 0;
+ }
+
+ switch (peer.sa.sa_family)
+ {
+ case AF_INET:
+ memcpy(buffer,
+ &peer.s4.sin_port,
+ sizeof(peer.s4.sin_port));
+ memcpy(buffer + sizeof(peer.s4.sin_port),
+ &peer.s4.sin_addr,
+ sizeof(struct in_addr));
+ break;
+#if OPENSSL_USE_IPV6
+ case AF_INET6:
+ memcpy(buffer,
+ &peer.s6.sin6_port,
+ sizeof(peer.s6.sin6_port));
+ memcpy(buffer + sizeof(peer.s6.sin6_port),
+ &peer.s6.sin6_addr,
+ sizeof(struct in6_addr));
+ break;
+#endif
+ default:
+ OPENSSL_assert(0);
+ break;
+ }
+
+ /* Calculate HMAC of buffer using the secret */
+ HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
+ buffer, length, result, &resultlength);
+ OPENSSL_free(buffer);
+
+ memcpy(cookie, result, resultlength);
+ *cookie_len = resultlength;
+
+ return 1;
+ }
+
+int MS_CALLBACK verify_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int cookie_len)
+ {
+ unsigned char *buffer, result[EVP_MAX_MD_SIZE];
+ unsigned int length, resultlength;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in s4;
+#if OPENSSL_USE_IPV6
+ struct sockaddr_in6 s6;
+#endif
+ } peer;
+
+ /* If secret isn't initialized yet, the cookie can't be valid */
+ if (!cookie_initialized)
+ return 0;
+
+ /* Read peer information */
+ (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
+
+ /* Create buffer with peer's address and port */
+ length = 0;
+ switch (peer.sa.sa_family)
+ {
+ case AF_INET:
+ length += sizeof(struct in_addr);
+ length += sizeof(peer.s4.sin_port);
+ break;
+#if OPENSSL_USE_IPV6
+ case AF_INET6:
+ length += sizeof(struct in6_addr);
+ length += sizeof(peer.s6.sin6_port);
+ break;
+#endif
+ default:
+ OPENSSL_assert(0);
+ break;
+ }
+ buffer = OPENSSL_malloc(length);
+
+ if (buffer == NULL)
+ {
+ BIO_printf(bio_err,"out of memory\n");
+ return 0;
+ }
+
+ switch (peer.sa.sa_family)
+ {
+ case AF_INET:
+ memcpy(buffer,
+ &peer.s4.sin_port,
+ sizeof(peer.s4.sin_port));
+ memcpy(buffer + sizeof(peer.s4.sin_port),
+ &peer.s4.sin_addr,
+ sizeof(struct in_addr));
+ break;
+#if OPENSSL_USE_IPV6
+ case AF_INET6:
+ memcpy(buffer,
+ &peer.s6.sin6_port,
+ sizeof(peer.s6.sin6_port));
+ memcpy(buffer + sizeof(peer.s6.sin6_port),
+ &peer.s6.sin6_addr,
+ sizeof(struct in6_addr));
+ break;
+#endif
+ default:
+ OPENSSL_assert(0);
+ break;
+ }
+
+ /* Calculate HMAC of buffer using the secret */
+ HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
+ buffer, length, result, &resultlength);
+ OPENSSL_free(buffer);
+
+ if (cookie_len == resultlength && memcmp(result, cookie, resultlength) == 0)
+ return 1;
+
+ return 0;
+ }