TclTLS
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Comment:More modernization of the code
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SHA1: 2771dc7670db9e6606e367d744b5cad425a0fa0b
User & Date: rkeene on 2016-12-10 05:02:02
Other Links: manifest | tags
Context
2016-12-10
05:02
Remove obsolete references check-in: fc00b36be8 user: rkeene tags: trunk
05:02
More modernization of the code check-in: 2771dc7670 user: rkeene tags: trunk
04:29
Minor whitespace cleanup check-in: 88815cbc52 user: rkeene tags: trunk
Changes
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Modified tls.h from [6362c4c989] to [5e9dbae35a].

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 *	tclSSL (Colin McCormack, Shared Technology)
 *	SSLtcl (Peter Antman)
 *
 */
#ifndef _TLS_H
#define _TLS_H

#include <tcl.h>	/* Internal definitions for Tcl. */

#ifdef TCL_STORAGE_CLASS
# undef TCL_STORAGE_CLASS
#endif
#ifdef BUILD_tls
# define TCL_STORAGE_CLASS DLLEXPORT
#else
# define TCL_STORAGE_CLASS DLLIMPORT
#endif

/*
 * Forward declarations
 */

EXTERN int Tls_Init _ANSI_ARGS_ ((Tcl_Interp *));
EXTERN int Tls_SafeInit _ANSI_ARGS_ ((Tcl_Interp *));

#endif /* _TLS_H */








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 *	tclSSL (Colin McCormack, Shared Technology)
 *	SSLtcl (Peter Antman)
 *
 */
#ifndef _TLS_H
#define _TLS_H

#include <tcl.h>










/*
 * Initialization routines -- our entire public C API.
 */
int Tls_Init(Tcl_Interp *interp);

int Tls_SafeInit(Tcl_Interp *interp);

#endif /* _TLS_H */

Modified tlsIO.c from [c5a7b3dcc1] to [9eaf78f936].

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    bytesRead = BIO_read(statePtr->bio, buf, bufSize);
    dprintf("BIO_read -> %d", bytesRead);

    if (bytesRead < 0) {
	int err = SSL_get_error(statePtr->ssl, bytesRead);

	if (err == SSL_ERROR_SSL) {
	    Tls_Error(statePtr, SSL_ERROR(statePtr->ssl, bytesRead));
	    *errorCodePtr = ECONNABORTED;
	} else if (BIO_should_retry(statePtr->bio)) {
	    dprintf("RE! ");
	    *errorCodePtr = EAGAIN;
	} else {
	    *errorCodePtr = Tcl_GetErrno();
	    if (*errorCodePtr == ECONNRESET) {








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    bytesRead = BIO_read(statePtr->bio, buf, bufSize);
    dprintf("BIO_read -> %d", bytesRead);

    if (bytesRead < 0) {
	int err = SSL_get_error(statePtr->ssl, bytesRead);

	if (err == SSL_ERROR_SSL) {
	    Tls_Error(statePtr, TCLTLS_SSL_ERROR(statePtr->ssl, bytesRead));
	    *errorCodePtr = ECONNABORTED;
	} else if (BIO_should_retry(statePtr->bio)) {
	    dprintf("RE! ");
	    *errorCodePtr = EAGAIN;
	} else {
	    *errorCodePtr = Tcl_GetErrno();
	    if (*errorCodePtr == ECONNRESET) {
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	    case SSL_ERROR_SYSCALL:
		*errorCodePtr = Tcl_GetErrno();
		dprintf(" [%d] syscall errr: %d",
			written, *errorCodePtr);
		written = -1;
		break;
	    case SSL_ERROR_SSL:
		Tls_Error(statePtr, SSL_ERROR(statePtr->ssl, written));
		*errorCodePtr = ECONNABORTED;
		written = -1;
		break;
	    default:
		dprintf(" unknown err: %d", err);
		break;
	}








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	    case SSL_ERROR_SYSCALL:
		*errorCodePtr = Tcl_GetErrno();
		dprintf(" [%d] syscall errr: %d",
			written, *errorCodePtr);
		written = -1;
		break;
	    case SSL_ERROR_SSL:
		Tls_Error(statePtr, TCLTLS_SSL_ERROR(statePtr->ssl, written));
		*errorCodePtr = ECONNABORTED;
		written = -1;
		break;
	    default:
		dprintf(" unknown err: %d", err);
		break;
	}
︙︙

Modified tlsInt.h from [3805fea315] to [fe15261c75].

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#  define NO_RC5
#  define NO_RSA
#  ifndef NO_SSL2
#    define NO_SSL2
#  endif
#endif

#ifdef BSAFE
#include <ssl.h>
#include <err.h>
#include <rand.h>
#else
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/opensslv.h>
#endif

/*
 * Determine if we should use the pre-OpenSSL 1.1.0 API
 */
#undef TCLTLS_OPENSSL_PRE_1_1
#if (defined(LIBRESSL_VERSION_NUMBER)) || OPENSSL_VERSION_NUMBER < 0x10100000L
#  define TCLTLS_OPENSSL_PRE_1_1_API 1
#endif

#ifdef TCL_STORAGE_CLASS
# undef TCL_STORAGE_CLASS
#endif
#ifdef BUILD_tls
# define TCL_STORAGE_CLASS DLLEXPORT
#else
# define TCL_STORAGE_CLASS DLLIMPORT
#endif
 
#ifndef ECONNABORTED
#define ECONNABORTED	130	/* Software caused connection abort */
#endif
#ifndef ECONNRESET
#define ECONNRESET	131	/* Connection reset by peer */
#endif

#ifdef TCLEXT_TCLTLS_DEBUG
#define dprintf(...) { fprintf(stderr, "%s:%i:", __func__, __LINE__); fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n"); }
#else
#define dprintf(...) if (0) { fprintf(stderr, __VA_ARGS__); }
#endif

#define SSL_ERROR(ssl,err)	\
    ((char*)ERR_reason_error_string((unsigned long)SSL_get_error((ssl),(err))))
/*
 * OpenSSL BIO Routines
 */
#define BIO_TYPE_TCL	(19|0x0400)

/*
 * Defines for State.flags








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#  define NO_RC5
#  define NO_RSA
#  ifndef NO_SSL2
#    define NO_SSL2
#  endif
#endif






#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/opensslv.h>


/*
 * Determine if we should use the pre-OpenSSL 1.1.0 API
 */
#undef TCLTLS_OPENSSL_PRE_1_1
#if (defined(LIBRESSL_VERSION_NUMBER)) || OPENSSL_VERSION_NUMBER < 0x10100000L
#  define TCLTLS_OPENSSL_PRE_1_1_API 1
#endif










#ifndef ECONNABORTED
#define ECONNABORTED	130	/* Software caused connection abort */
#endif
#ifndef ECONNRESET
#define ECONNRESET	131	/* Connection reset by peer */
#endif

#ifdef TCLEXT_TCLTLS_DEBUG
#define dprintf(...) { fprintf(stderr, "%s:%i:", __func__, __LINE__); fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n"); }
#else
#define dprintf(...) if (0) { fprintf(stderr, __VA_ARGS__); }
#endif


#define TCLTLS_SSL_ERROR(ssl,err) ((char*)ERR_reason_error_string((unsigned long)SSL_get_error((ssl),(err))))
/*
 * OpenSSL BIO Routines
 */
#define BIO_TYPE_TCL	(19|0x0400)

/*
 * Defines for State.flags
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/*
 * This structure describes the per-instance state
 * of an ssl channel.
 *
 * The SSL processing context is maintained here, in the ClientData
 */
typedef struct State {
    Tcl_Channel self;	/* this socket channel */
    Tcl_TimerToken timer;

    int flags;		/* see State.flags above  */
    int watchMask;	/* current WatchProc mask */
    int mode;		/* current mode of parent channel */

    Tcl_Interp *interp;	/* interpreter in which this resides */
    Tcl_Obj *callback;	/* script called for tracing, verifying and errors */
    Tcl_Obj *password;	/* script called for certificate password */ 

    int vflags;		/* verify flags */
    SSL *ssl;		/* Struct for SSL processing */
    SSL_CTX *ctx;	/* SSL Context */
    BIO *bio;		/* Struct for SSL processing */
    BIO *p_bio;		/* Parent BIO (that is layered on Tcl_Channel) */

    char *err;
} State;

#ifdef USE_TCL_STUBS
#ifndef Tcl_StackChannel
#error "Unable to compile on this version of Tcl"
#endif /* Tcl_GetStackedChannel */
#endif /* USE_TCL_STUBS */

/*
 * Forward declarations
 */

Tcl_ChannelType *Tls_ChannelType _ANSI_ARGS_((void));
Tcl_Channel     Tls_GetParent _ANSI_ARGS_((State *statePtr));

Tcl_Obj         *Tls_NewX509Obj _ANSI_ARGS_ (( Tcl_Interp *interp, X509 *cert));
void            Tls_Error _ANSI_ARGS_ ((State *statePtr, char *msg));
void            Tls_Free _ANSI_ARGS_ ((char *blockPtr));
void            Tls_Clean _ANSI_ARGS_ ((State *statePtr));
int             Tls_WaitForConnect _ANSI_ARGS_(( State *statePtr, int *errorCodePtr));

BIO             *BIO_new_tcl _ANSI_ARGS_((State* statePtr, int flags));

#endif /* _TLSINT_H */








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/*
 * This structure describes the per-instance state
 * of an ssl channel.
 *
 * The SSL processing context is maintained here, in the ClientData
 */
typedef struct State {
	Tcl_Channel self;       /* this socket channel */
	Tcl_TimerToken timer;

	int flags;              /* see State.flags above  */
	int watchMask;          /* current WatchProc mask */
	int mode;               /* current mode of parent channel */

	Tcl_Interp *interp;     /* interpreter in which this resides */
	Tcl_Obj *callback;      /* script called for tracing, verifying and errors */
	Tcl_Obj *password;      /* script called for certificate password */ 

	int vflags;             /* verify flags */
	SSL *ssl;               /* Struct for SSL processing */
	SSL_CTX *ctx;           /* SSL Context */
	BIO *bio;               /* Struct for SSL processing */
	BIO *p_bio;             /* Parent BIO (that is layered on Tcl_Channel) */

	char *err;
} State;

#ifdef USE_TCL_STUBS
#ifndef Tcl_StackChannel
#error "Unable to compile on this version of Tcl"
#endif /* Tcl_GetStackedChannel */
#endif /* USE_TCL_STUBS */

/*
 * Forward declarations
 */

Tcl_ChannelType *Tls_ChannelType(void);
Tcl_Channel     Tls_GetParent(State *statePtr);

Tcl_Obj         *Tls_NewX509Obj(Tcl_Interp *interp, X509 *cert);
void            Tls_Error(State *statePtr, char *msg);
void            Tls_Free(char *blockPtr);
void            Tls_Clean(State *statePtr);
int             Tls_WaitForConnect(State *statePtr, int *errorCodePtr);

BIO             *BIO_new_tcl(State* statePtr, int flags);

#endif /* _TLSINT_H */

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