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/*
* Copyright (c) 2002-2013 Balabit
* Copyright (c) 1998-2011 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*/
#ifndef TLSCONTEXT_H_INCLUDED
#define TLSCONTEXT_H_INCLUDED
#include "syslog-ng.h"
#include <openssl/ssl.h>
typedef enum
{
TM_CLIENT,
TM_SERVER,
TM_MAX
} TLSMode;
typedef enum
{
TVM_NONE,
TVM_TRUSTED=0x0001,
TVM_UNTRUSTED=0x0002,
TVM_OPTIONAL=0x0010,
TVM_REQUIRED=0x0020,
} TLSVerifyMode;
typedef enum
{
TSO_NONE,
TSO_NOSSLv2=0x0001,
TSO_NOSSLv3=0x0002,
TSO_NOTLSv1=0x0004,
TSO_NOTLSv11=0x0008,
TSO_NOTLSv12=0x0010,
} TLSSslOptions;
typedef gint (*TLSSessionVerifyFunc)(gint ok, X509_STORE_CTX *ctx, gpointer user_data);
typedef struct _TLSContext TLSContext;
typedef struct _TLSSession
{
SSL *ssl;
TLSContext *ctx;
TLSSessionVerifyFunc verify_func;
gpointer verify_data;
GDestroyNotify verify_data_destroy;
} TLSSession;
void tls_session_set_verify(TLSSession *self, TLSSessionVerifyFunc verify_func, gpointer verify_data, GDestroyNotify verify_destroy);
void tls_session_free(TLSSession *self);
struct _TLSContext
{
TLSMode mode;
gint verify_mode;
gchar *key_file;
gchar *cert_file;
gchar *ca_dir;
gchar *crl_dir;
gchar *cipher_suite;
SSL_CTX *ssl_ctx;
GList *trusted_fingerpint_list;
GList *trusted_dn_list;
gint ssl_options;
};
TLSSession *tls_context_setup_session(TLSContext *self);
void tls_session_set_trusted_fingerprints(TLSContext *self, GList *fingerprints);
void tls_session_set_trusted_dn(TLSContext *self, GList *dns);
TLSContext *tls_context_new(TLSMode mode);
void tls_context_free(TLSContext *s);
TLSVerifyMode tls_lookup_verify_mode(const gchar *mode_str);
gint tls_lookup_options(GList *options);
void tls_log_certificate_validation_progress(int ok, X509_STORE_CTX *ctx);
gboolean tls_verify_certificate_name(X509 *cert, const gchar *hostname);
void tls_x509_format_dn(X509_NAME *name, GString *dn);
#endif
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