Add OpenSSL support
[privoxy.git] / ssl_common.h
diff --git a/ssl_common.h b/ssl_common.h
new file mode 100644 (file)
index 0000000..86dab98
--- /dev/null
@@ -0,0 +1,78 @@
+#ifndef SSL_COMMON_H_INCLUDED
+#define SSL_COMMON_H_INCLUDED
+/*********************************************************************
+*
+* File        :  $Source: /cvsroot/ijbswa/current/ssl.h,v $
+*
+* Purpose     :  File with TLS/SSL extension. Contains methods for
+*                creating, using and closing TLS/SSL connections that do
+*                not depend on particular TLS/SSL library.
+*
+* Copyright   :  Written by and Copyright (c) 2017 Vaclav Svec. FIT CVUT.
+*
+*                This program is free software; you can redistribute it
+*                and/or modify it under the terms of the GNU General
+*                Public License as published by the Free Software
+*                Foundation; either version 2 of the License, or (at
+*                your option) any later version.
+*
+*                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 for more details.
+*
+*                The GNU General Public License should be included with
+*                this file.  If not, you can view it at
+*                http://www.gnu.org/copyleft/gpl.html
+*                or write to the Free Software Foundation, Inc., 59
+*                Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*
+*********************************************************************/
+
+#include "project.h"
+
+#define RSA_KEY_PUBLIC_EXPONENT          65537             /* Public exponent for RSA private key generating */
+#define RSA_KEYSIZE                      2048              /* Size of generated RSA keys */
+#define ERROR_BUF_SIZE                   1024              /* Size of buffer for error messages */
+#define INVALID_CERT_INFO_BUF_SIZE       2048              /* Size of buffer for message with information about reason of certificate invalidity. Data after the end of buffer will not be saved */
+#define KEY_FILE_TYPE                    ".pem"
+#define CERT_FILE_TYPE                   ".crt"
+
+#define CERT_PARAM_COMMON_NAME_FCODE      "CN"
+#define CERT_PARAM_ORGANIZATION_FCODE     "O"
+#define CERT_PARAM_ORG_UNIT_FCODE         "OU"
+#define CERT_PARAM_COUNTRY_FCODE          "C"
+#define CERT_PARAM_COUNTRY_CODE           "CZ"
+#define CERT_SUBJECT_PASSWORD            ""
+#define CERT_INFO_PREFIX                 ""
+
+/*
+ * Properties of cert for generating
+ */
+typedef struct {
+   char       *issuer_crt;                         /* filename of the issuer certificate       */
+   char       *subject_key;                        /* filename of the subject key file         */
+   char       *issuer_key;                         /* filename of the issuer key file          */
+   const char *subject_pwd;                        /* password for the subject key file        */
+   const char *issuer_pwd;                         /* password for the issuer key file         */
+   char       *output_file;                        /* where to store the constructed key file  */
+   const char *subject_name;                       /* subject name for certificate             */
+   char       issuer_name[ISSUER_NAME_BUF_SIZE];   /* issuer name for certificate              */
+   const char *not_before;                         /* validity period not before               */
+   const char *not_after;                          /* validity period not after                */
+   const char *serial;                             /* serial number string                     */
+   int        is_ca;                               /* is a CA certificate                      */
+   int        max_pathlen;                         /* maximum CA path length                   */
+} cert_options;
+
+extern void free_certificate_chain(struct client_state *csp);
+extern int file_exists(const char *path);
+extern char *make_certs_path(const char *conf_dir, const char *file_name,
+   const char *suffix);
+extern unsigned long get_certificate_serial(struct client_state *csp);
+extern int get_certificate_valid_from_date(char *buffer, size_t buffer_size, const char *fmt);
+extern int get_certificate_valid_to_date(char *buffer, size_t buffer_size, const char *fmt);
+extern int host_is_ip_address(const char *host);
+
+#endif /* ndef SSL_COMMON_H_INCLUDED */