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/*
* The contents of this file are subject to the AOLserver Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://aolserver.lcs.mit.edu/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is AOLserver Code and related documentation
* distributed by AOL.
*
* The Initial Developer of the Original Code is America Online,
* Inc. Portions created by AOL are Copyright (C) 1999 America Online,
* Inc. All Rights Reserved.
*
* Copyright (C) 2000-2002 Scott S. Goodwin
* Copyright (C) 2000 Rob Mayoff
* Copyright (C) 1999 Stefan Arentz
*
* Alternatively, the contents of this file may be used under the terms
* of the GNU General Public License (the "GPL"), in which case the
* provisions of GPL are applicable instead of those above. If you wish
* to allow use of your version of this file only under the terms of the
* GPL and not to allow others to use your version of this file under the
* License, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the GPL.
* If you do not delete the provisions above, a recipient may use your
* version of this file under either the License or the GPL.
*/
/* @(#) $Header: /cvsroot/aolserver/nsopenssl/nsopenssl.h,v 1.24 2002/03/06 02:07:48 scottg Exp $ */
#if 0 /* XXX need to add version.h to AOLserver core */
/* XXX set this to have nsopenssl compile with aolserver 4.x */
#define NS_MAJOR_VERSION 4
#endif
/* Required for Tcl channels to work */
#ifndef USE_TCL8X
#define USE_TCL8X
#endif
#include <ns.h>
#ifdef closesocket
/* openssl and nsd both define this */
#undef closesocket
#endif
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/x509v3.h>
#define DRIVER_NAME "nsopenssl"
/*
* It is possible to have the encryption library be different
* from the SSL library. A good example would be if you are
* using RSA's BSAFE encryption library within OpenSSL.
*/
#define SSL_LIBRARY_NAME "OpenSSL"
#if OPENSSL_VERSION_NUMBER == 0x0090603fL
# define SSL_LIBRARY_VERSION "0.9.6c"
#elif OPENSSL_VERSION_NUMBER == 0x0090602fL
# define SSL_LIBRARY_VERSION "0.9.6b"
#elif OPENSSL_VERSION_NUMBER == 0x0090601fL
# define SSL_LIBRARY_VERSION "0.9.6a"
#elif OPENSSL_VERSION_NUMBER == 0x0090600fL
# define SSL_LIBRARY_VERSION "0.9.6"
#elif OPENSSL_VERSION_NUMBER == 0x0090581fL
# define SSL_LIBRARY_VERSION "0.9.5a"
#elif OPENSSL_VERSION_NUMBER == 0x00905100L
# define SSL_LIBRARY_VERSION "0.9.5"
#else
# define SSL_LIBRARY_VERSION "Unknown"
#endif
/* XXX figure out how to autodetect BSAFE vs OpenSSL encryption lib */
#define SSL_CRYPTO_LIBRARY_NAME SSL_LIBRARY_NAME
#define SSL_CRYPTO_LIBRARY_VERSION SSL_LIBRARY_VERSION
struct Ns_OpenSSLConn;
typedef struct NsOpenSSLDriver {
struct NsOpenSSLDriver *nextPtr;
struct Ns_OpenSSLConn *firstFreePtr;
Ns_Driver driver;
Ns_Mutex lock;
int refcnt;
char *server; /* Server name */
char *module; /* Module name */
char *configPath; /* E.g. ns/server/s1/module/nsopenssl */
char *dir; /* Module directory (on disk) */
char *location; /* E.g. https://example.com:8443 */
char *address; /* Advertised address */
char *bindaddr; /* Bind address - might be 0.0.0.0 */
int port; /* Bind port */
int bufsize;
int timeout;
SSL_CTX *context; /* XXX change to nsdServerContext */
SSL_CTX *sockClientContext;
SSL_CTX *sockServerContext;
SOCKET lsock;
char *randomFile; /* Used to seed PRNG */
} NsOpenSSLDriver;
typedef struct Ns_OpenSSLConn {
/* These are NOT to be freed by NsOpenSSLDestroyConn */
char *server; /* Server name */
char *module; /* Module name (e.g. 'nsopenssl') */
char *configPath; /* Path to the configuration file */
char *dir; /* Module directory (on disk) */
char *location; /* E.g. https://example.com:8443 */
char *address; /* Advertised address for this module instance */
char *bindaddr; /* Bind address for this module instance - might be 0.0.0.0 */
int port; /* The port the server is listening on for this module instance */
int bufsize;
int timeout;
SSL_CTX *context; /* Read-only context for creating SSL structs */
/* These must be freed by NsOpenSSLDestroyConn */
int refcnt; /* Don't destroy struct if refcnt > 0 (tclcmds.c) */
int role; /* client or server */
int conntype; /* nsd server, sock server or client server conn */
char *type; /* 'nsdserver', 'sockserver', sockclient' */
SOCKET sock;
SOCKET wsock;
SSL *ssl;
BIO *io; /* All SSL i/o goes through this BIO */
X509 *peercert; /* Certificate for peer, may be NULL if no cert */
char peer[16]; /* Not used by nsd server conns in 4.x API */
int peerport; /* Not used by nsd server conns in 4.x API */
#ifndef NS_MAJOR_VERSION
struct Ns_OpenSSLConn *nextPtr;
struct NsOpenSSLDriver *sdPtr;
#endif
} Ns_OpenSSLConn;
typedef struct SSLTclCmd {
char *name;
Tcl_CmdProc *proc;
ClientData clientData;
} SSLTclCmd;
/*
* config.c
*/
extern char *ConfigStringDefault (char *module, char *path, char *name,
char *def);
extern int ConfigBoolDefault (char *module, char *path, char *name, int def);
extern int ConfigIntDefault (char *module, char *path, char *name, int def);
extern char *ConfigPathDefault (char *module, char *path, char *name,
char *dir, char *def);
/*
* init.c
*/
#ifndef NS_MAJOR_VERSION
extern NsOpenSSLDriver *NsOpenSSLCreateDriver (char *server, char *module,
Ns_DrvProc * procs);
#else
extern NsOpenSSLDriver *NsOpenSSLCreateDriver (char *server, char *module);
#endif
extern void NsOpenSSLFreeDriver (NsOpenSSLDriver * sdPtr);
/*
* ssl.c
*/
extern int NsOpenSSLCreateConn (Ns_OpenSSLConn * ccPtr);
extern void NsOpenSSLDestroyConn (Ns_OpenSSLConn * ccPtr);
extern int NsOpenSSLFlush (Ns_OpenSSLConn * ccPtr);
extern int NsOpenSSLRecv (Ns_OpenSSLConn * ccPtr, void *buffer, int toread);
extern int NsOpenSSLSend (Ns_OpenSSLConn * ccPtr, void *buffer, int towrite);
extern Ns_OpenSSLConn *Ns_OpenSSLSockConnect (char *host, int port, int async,
int timeout);
extern int Ns_OpenSSLFetchPage (Ns_DString * dsPtr, char *url, char *server);
extern int Ns_OpenSSLFetchURL (Ns_DString * dsPtr, char *url,
Ns_Set * headers);
extern int Ns_OpenSSLSockCallback (SOCKET sock, Ns_SockProc * proc,
void *arg, int when);
extern int Ns_OpenSSLSockListenCallback (char *addr, int port,
Ns_SockProc * proc, void *arg);
extern SOCKET Ns_OpenSSLSockListen (char *address, int port);
extern Ns_OpenSSLConn *Ns_OpenSSLSockAccept (SOCKET sock);
extern void NsOpenSSLTrace (SSL * ssl, int where, int rc);
extern int NsOpenSSLShutdown (SSL * ssl);
extern int Ns_OpenSSLIsPeerCertValid (Ns_OpenSSLConn * ccPtr);
/*
* tclcmds.c
*/
extern int NsOpenSSLCreateCmds (Tcl_Interp * interp, void *arg);
/*
* nsopenssl.c
*/
extern char *NsOpenSSLGetModuleName (void);
extern SSL_CTX *NsOpenSSLGetSockServerSSLContext (void);
extern SSL_CTX *NsOpenSSLGetSockClientSSLContext (void);
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