用于EagleEye3.0 规则集漏报和误报测试的示例项目,项目收集于github和gitee
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/* Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
/**
@file
Ssl functions wrapper service implementation. For more information please
check the function comments.
*/
#ifdef WIN32
// In OpenSSL before 1.1.0, we need this first.
#include <winsock2.h>
#endif // WIN32
#include <openssl/ssl.h>
#include <string.h>
#include "my_compiler.h"
#include "my_io.h" // IWYU pragma: keep (for Winsock definitions)
#include "mysql/service_ssl_wrapper.h"
namespace ssl_wrapper_service {
int MY_ATTRIBUTE((visibility("default")))
dummy_function_to_ensure_we_are_linked_into_the_server() {
return 1;
}
} // namespace ssl_wrapper_service
static char *my_asn1_time_to_string(ASN1_TIME *time, char *buf, size_t len) {
int n_read;
char *res = NULL;
BIO *bio = BIO_new(BIO_s_mem());
if (bio == NULL) return NULL;
if (!ASN1_TIME_print(bio, time)) goto end;
n_read = BIO_read(bio, buf, (int)(len - 1));
if (n_read > 0) {
buf[n_read] = 0;
res = buf;
}
end:
BIO_free(bio);
return res;
}
/**
Return version of SSL used in current connection
@param vio VIO connection descriptor
@param buffer Character buffer in which the version is going to be
placed
@param buffer_size Size of the character buffer
*/
void ssl_wrapper_version(Vio *vio, char *buffer, const size_t buffer_size) {
const char *ssl_version = SSL_get_version((SSL *)vio->ssl_arg);
strncpy(buffer, ssl_version, buffer_size);
buffer[buffer_size - 1] = '\0';
}
/**
Return cipher used in current connection
@param vio VIO connection descriptor
@param buffer Character buffer in which the cipher name is going to
be placed
@param buffer_size Size of the character buffer
*/
void ssl_wrapper_cipher(Vio *vio, char *buffer, const size_t buffer_size) {
const char *ssl_version = SSL_get_cipher((SSL *)vio->ssl_arg);
strncpy(buffer, ssl_version, buffer_size);
buffer[buffer_size - 1] = '\0';
}
/**
Return cipher list that can be used for SSL
@param vio VIO connection descriptor
@param clipher_list Pointer to an array of c-strings
@param maximun_num_of_elements Size of the pointer array
*/
long ssl_wrapper_cipher_list(Vio *vio, const char **clipher_list,
const long maximun_num_of_elements) {
const char *cipher = NULL;
int index = 0;
long element = 0;
while (element < maximun_num_of_elements) {
cipher = SSL_get_cipher_list((SSL *)vio->ssl_arg, index++);
if (NULL == cipher) break;
clipher_list[element++] = cipher;
}
return element;
}
/**
Return the verification depth limit set in SSL
@param vio VIO connection descriptor
@return
-1 default values should be used
>0 verification depth
*/
long ssl_wrapper_verify_depth(Vio *vio) {
return SSL_get_verify_depth((SSL *)vio->ssl_arg);
}
long ssl_wrapper_verify_mode(Vio *vio) {
return SSL_get_verify_mode((SSL *)vio->ssl_arg);
}
/**
Return issuer name form peers ssl certificate
@param vio VIO connection descriptor
@param issuer Character buffer in which the issuer name is going to
be placed
@param issuer_size Size of character buffer for the issuer name
*/
void ssl_wrapper_get_peer_certificate_issuer(Vio *vio, char *issuer,
const size_t issuer_size) {
X509 *cert = NULL;
if (!(cert = SSL_get_peer_certificate((SSL *)vio->ssl_arg))) {
issuer[0] = '\0';
return;
}
X509_NAME_oneline(X509_get_issuer_name(cert), issuer, (int)issuer_size);
X509_free(cert);
}
/**
Return subject field form peers ssl certificate
@param vio VIO connection descriptor
@param subject Character buffer in which the subject is going to be
placed
@param subject_size Size of character buffer for the subject
*/
void ssl_wrapper_get_peer_certificate_subject(Vio *vio, char *subject,
const size_t subject_size) {
X509 *cert = NULL;
if (!(cert = SSL_get_peer_certificate((SSL *)vio->ssl_arg))) {
subject[0] = '\0';
return;
}
X509_NAME_oneline(X509_get_subject_name(cert), subject, (int)subject_size);
X509_free(cert);
}
/**
Check is peer certificate is present and try to verify it
@param vio VIO connection descriptor
@return
X509_V_OK verification of peer certificate succeeded
-1 verification failed
*/
long ssl_wrapper_get_verify_result_and_cert(Vio *vio) {
long result = 0;
if (X509_V_OK != (result = SSL_get_verify_result((SSL *)vio->ssl_arg)))
return result;
X509 *cert = NULL;
if (!(cert = SSL_get_peer_certificate((SSL *)vio->ssl_arg))) return -1;
X509_free(cert);
return X509_V_OK;
}
/**
Return the verification depth limit set in SSL context
@param vio_ssl VIO SSL contex descriptor
@return
-1 default values should be used
>0 verification depth
*/
long ssl_wrapper_ctx_verify_depth(struct st_VioSSLFd *vio_ssl) {
return SSL_CTX_get_verify_depth(vio_ssl->ssl_context);
}
/**
Return the verification mode set in SSL context
@param vio_ssl VIO SSL contex descriptor
@return
-1 default values should be used
>0 verification mode
*/
long ssl_wrapper_ctx_verify_mode(struct st_VioSSLFd *vio_ssl) {
return SSL_CTX_get_verify_mode(vio_ssl->ssl_context);
}
/**
Return the last day the server certificate is valid
@param vio_ssl VIO SSL contex descriptor
@param no_after Character buffer for to be filed with the date in
human readble format
@param no_after_size Size of the character buffer
*/
void ssl_wrapper_ctx_server_not_after(struct st_VioSSLFd *vio_ssl,
char *no_after,
const size_t no_after_size) {
SSL *ssl = SSL_new(vio_ssl->ssl_context);
if (NULL == ssl) {
no_after[0] = '\0';
return;
}
X509 *cert = SSL_get_certificate(ssl);
ASN1_TIME *not_after_time = X509_get_notAfter(cert);
const char *result =
my_asn1_time_to_string(not_after_time, no_after, no_after_size);
if (!result) {
no_after[0] = '\0';
}
SSL_free(ssl);
}
/**
Return the first day the server certificate is valid
@param vio_ssl VIO SSL contex descriptor
@param no_before Character buffer for to be filed with the date in
human readble format
@param no_before_size Size of the character buffer
*/
void ssl_wrapper_ctx_server_not_before(struct st_VioSSLFd *vio_ssl,
char *no_before,
const size_t no_before_size) {
SSL *ssl = SSL_new(vio_ssl->ssl_context);
if (NULL == ssl) {
no_before[0] = '\0';
return;
}
X509 *cert = SSL_get_certificate(ssl);
ASN1_TIME *not_before_time = X509_get_notBefore(cert);
const char *result =
my_asn1_time_to_string(not_before_time, no_before, no_before_size);
if (!result) {
no_before[0] = '\0';
}
SSL_free(ssl);
}
long ssl_wrapper_sess_accept(struct st_VioSSLFd *vio_ssl) {
return SSL_CTX_sess_accept(vio_ssl->ssl_context);
}
long ssl_wrapper_sess_accept_good(struct st_VioSSLFd *vio_ssl) {
return SSL_CTX_sess_accept_good(vio_ssl->ssl_context);
}
/**
Cleanup data allocated by SSL on thread stack
*/
void ssl_wrapper_thread_cleanup() {
ERR_clear_error();
#if OPENSSL_VERSION_NUMBER < 0x10100000L
ERR_remove_thread_state(0);
#endif /* OPENSSL_VERSION_NUMBER < 0x10100000L */
}