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Unified Diff: openssl/apps/s_cb.c

Issue 2072073002: Delete bundled copy of OpenSSL and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master
Patch Set: Delete bundled copy of OpenSSL and replace with README. Created 4 years, 6 months ago
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Index: openssl/apps/s_cb.c
diff --git a/openssl/apps/s_cb.c b/openssl/apps/s_cb.c
deleted file mode 100644
index 84c3b447c295350e852fb7a1832465513702f570..0000000000000000000000000000000000000000
--- a/openssl/apps/s_cb.c
+++ /dev/null
@@ -1,930 +0,0 @@
-/* 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.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * 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>
-#define USE_SOCKETS
-#define NON_MAIN
-#include "apps.h"
-#undef NON_MAIN
-#undef USE_SOCKETS
-#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(int ok, X509_STORE_CTX *ctx)
- {
- X509 *err_cert;
- int err,depth;
-
- err_cert=X509_STORE_CTX_get_current_cert(ctx);
- err= X509_STORE_CTX_get_error(ctx);
- depth= X509_STORE_CTX_get_error_depth(ctx);
-
- 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)
- {
- if (!verify_return_error)
- ok=1;
- verify_error=X509_V_OK;
- }
- else
- {
- ok=0;
- verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
- }
- }
- switch (err)
- {
- case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
- 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(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(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(SSL_CTX *ctx, char *cert_file, char *key_file)
- {
- if (cert_file != NULL)
- {
- /*
- SSL *ssl;
- X509 *x509;
- */
-
- if (SSL_CTX_use_certificate_file(ctx,cert_file,
- SSL_FILETYPE_PEM) <= 0)
- {
- BIO_printf(bio_err,"unable to get certificate from '%s'\n",cert_file);
- ERR_print_errors(bio_err);
- return(0);
- }
- if (key_file == NULL) key_file=cert_file;
- if (SSL_CTX_use_PrivateKey_file(ctx,key_file,
- SSL_FILETYPE_PEM) <= 0)
- {
- BIO_printf(bio_err,"unable to get private key from '%s'\n",key_file);
- ERR_print_errors(bio_err);
- return(0);
- }
-
- /*
- In theory this is no longer needed
- ssl=SSL_new(ctx);
- x509=SSL_get_certificate(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))
- {
- BIO_printf(bio_err,"Private key does not match the certificate public key\n");
- return(0);
- }
- }
- return(1);
- }
-
-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;
-
- out=(BIO *)BIO_get_callback_arg(bio);
- if (out == NULL) return(ret);
-
- if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
- {
- 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 %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(const SSL *s, int where, int ret)
- {
- const char *str;
- int w;
-
- w=where& ~SSL_ST_MASK;
-
- if (w & SSL_ST_CONNECT) str="SSL_connect";
- else if (w & SSL_ST_ACCEPT) str="SSL_accept";
- else str="undefined";
-
- if (where & SSL_CB_LOOP)
- {
- BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
- }
- else if (where & SSL_CB_ALERT)
- {
- str=(where & SSL_CB_READ)?"read":"write";
- BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
- str,
- SSL_alert_type_string_long(ret),
- SSL_alert_desc_string_long(ret));
- }
- else if (where & SSL_CB_EXIT)
- {
- if (ret == 0)
- BIO_printf(bio_err,"%s:failed in %s\n",
- str,SSL_state_string_long(s));
- else if (ret < 0)
- {
- BIO_printf(bio_err,"%s:error in %s\n",
- str,SSL_state_string_long(s));
- }
- }
- }
-
-
-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;
- }
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