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Comment:Added remaining TLSv1.3 support
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | enhancement/tls-1.3
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SHA3-256: 569c10f3b208df3bfa817f9cfdeab536bdda5dca9163076149dc39ce118ebddf
User & Date: rkeene on 2019-04-09 17:04:08
Other Links: branch diff | manifest | tags
Context
2019-04-09
17:55
Merged in TLS 1.3 support check-in: 737b9c0d46 user: rkeene tags: trunk
17:04
Added remaining TLSv1.3 support Closed-Leaf check-in: 569c10f3b2 user: rkeene tags: enhancement/tls-1.3
2018-11-08
00:23
Note that TLSv1.3 is a lot different in API, this branch is incomplete check-in: 7978a539fc user: rkeene tags: enhancement/tls-1.3
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified aclocal/tcltls_openssl.m4 from [b57255617d] to [c4132f494e]. 

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dnl $1 = Name of variable
dnl $2 = Name of function to check for
dnl $3 = Name of protocol
dnl $4 = Name of CPP macro to define

AC_DEFUN([TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER], [
	dnl Determine if particular SSL version is enabled
	if test "[$]$1" = "true" -o "[$]$1" = "force"; then


		AC_CHECK_FUNC($2,, [
























			if test "[$]$1" = "force"; then
				AC_MSG_ERROR([Unable to enable $3])
			fi

			$1='false'
		])

	fi

	if test "[$]$1" = "false"; then
		AC_DEFINE($4, [1], [Define this to disable $3 in OpenSSL support])
	fi

])





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dnl $1 = Name of variable
dnl $2 = Name of function to check for
dnl $3 = Name of protocol
dnl $4 = Name of CPP macro to define
dnl $5 = Name of CPP macro to check for instead of a function
AC_DEFUN([TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER], [
	dnl Determine if particular SSL version is enabled
	if test "[$]$1" = "true" -o "[$]$1" = "force"; then
		proto_check='true'
		ifelse($5,, [
			AC_CHECK_FUNC($2,, [
				proto_check='false'
			])
		], [
			AC_LANG_PUSH(C)
			AC_MSG_CHECKING([for $3 protocol support])
			AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <openssl/ssl.h>
#include <openssl/opensslv.h>
#if (SSLEAY_VERSION_NUMBER >= 0x0907000L)
# include <openssl/conf.h>
#endif
			], [
int x = $5;
			])], [
				AC_MSG_RESULT([yes])
			], [
				AC_MSG_RESULT([no])

				proto_check='false'
			])
			AC_LANG_POP([C])
		])

		if test "$proto_check" = 'false'; then
			if test "[$]$1" = "force"; then
				AC_MSG_ERROR([Unable to enable $3])
			fi

			$1='false'

		fi
	fi

	if test "[$]$1" = "false"; then
		AC_DEFINE($4, [1], [Define this to disable $3 in OpenSSL support])
	fi

])
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		AC_MSG_RESULT([yes])
	], [
		AC_MSG_RESULT([no])
		AC_MSG_ERROR([Unable to compile a basic program using OpenSSL])
	])
	AC_LANG_POP([C])


	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_ssl2], [SSLv2_method], [sslv2], [NO_SSL2])
	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_ssl3], [SSLv3_method], [sslv3], [NO_SSL3])
	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_0], [TLSv1_method], [tlsv1.0], [NO_TLS1])
	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_1], [TLSv1_1_method], [tlsv1.1], [NO_TLS1_1])
	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_2], [TLSv1_2_method], [tlsv1.2], [NO_TLS1_2])

	dnl XXX:TODO: Note that OpenSSL 1.1.1 does not export this, still need to figure out how to
	dnl talk only TLSv1.3
	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_3], [TLSv1_3_method], [tlsv1.3], [NO_TLS1_3])

	AC_CACHE_VAL([tcltls_cv_func_tlsext_hostname], [
		AC_LANG_PUSH(C)
		AC_MSG_CHECKING([for SSL_set_tlsext_host_name])
		AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <openssl/ssl.h>
#if (SSLEAY_VERSION_NUMBER >= 0x0907000L)








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		AC_MSG_RESULT([yes])
	], [
		AC_MSG_RESULT([no])
		AC_MSG_ERROR([Unable to compile a basic program using OpenSSL])
	])
	AC_LANG_POP([C])

	AC_CHECK_FUNCS([TLS_method])
	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_ssl2], [SSLv2_method], [sslv2], [NO_SSL2])
	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_ssl3], [SSLv3_method], [sslv3], [NO_SSL3])
	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_0], [TLSv1_method], [tlsv1.0], [NO_TLS1])
	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_1], [TLSv1_1_method], [tlsv1.1], [NO_TLS1_1])
	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_2], [TLSv1_2_method], [tlsv1.2], [NO_TLS1_2])



	TCLTLS_SSL_OPENSSL_CHECK_PROTO_VER([tcltls_ssl_tls1_3], [], [tlsv1.3], [NO_TLS1_3], [SSL_OP_NO_TLSv1_3])

	AC_CACHE_VAL([tcltls_cv_func_tlsext_hostname], [
		AC_LANG_PUSH(C)
		AC_MSG_CHECKING([for SSL_set_tlsext_host_name])
		AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <openssl/ssl.h>
#if (SSLEAY_VERSION_NUMBER >= 0x0907000L)
︙︙

Modified tls.c from [b408a25024] to [c565bf20f1].

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static int	MiscObjCmd(ClientData clientData,
			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);

static int	UnimportObjCmd(ClientData clientData,
			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);

static SSL_CTX *CTX_Init(State *statePtr, int proto, char *key,
			char *cert, char *CAdir, char *CAfile, char *ciphers,
			char *DHparams);

static int	TlsLibInit(int uninitialize);

#define TLS_PROTO_SSL2		0x01
#define TLS_PROTO_SSL3		0x02
#define TLS_PROTO_TLS1		0x04
#define TLS_PROTO_TLS1_1	0x08
#define TLS_PROTO_TLS1_2	0x10

#define ENABLED(flag, mask)	(((flag) & (mask)) == (mask))

/*
 * Static data structures
 */

#ifndef OPENSSL_NO_DH








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static int	MiscObjCmd(ClientData clientData,
			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);

static int	UnimportObjCmd(ClientData clientData,
			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);

static SSL_CTX *CTX_Init(State *statePtr, int isServer, int proto, char *key,
			char *cert, char *CAdir, char *CAfile, char *ciphers,
			char *DHparams);

static int	TlsLibInit(int uninitialize);

#define TLS_PROTO_SSL2		0x01
#define TLS_PROTO_SSL3		0x02
#define TLS_PROTO_TLS1		0x04
#define TLS_PROTO_TLS1_1	0x08
#define TLS_PROTO_TLS1_2	0x10
#define TLS_PROTO_TLS1_3	0x20
#define ENABLED(flag, mask)	(((flag) & (mask)) == (mask))

/*
 * Static data structures
 */

#ifndef OPENSSL_NO_DH
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		ctx = SSL_CTX_new(TLSv1_2_method()); break;
#endif
    case TLS_TLS1_3:
#if defined(NO_TLS1_3)
		Tcl_AppendResult(interp, "protocol not supported", NULL);
		return TCL_ERROR;
#else
		ctx = SSL_CTX_new(TLSv1_3_method()); break;


#endif
    default:
		break;
    }
    if (ctx == NULL) {
	Tcl_AppendResult(interp, REASON(), (char *) NULL);
	return TCL_ERROR;








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		ctx = SSL_CTX_new(TLSv1_2_method()); break;
#endif
    case TLS_TLS1_3:
#if defined(NO_TLS1_3)
		Tcl_AppendResult(interp, "protocol not supported", NULL);
		return TCL_ERROR;
#else
		ctx = SSL_CTX_new(TLS_method()); break;
                SSL_CTX_set_min_proto_version (ctx, TLS1_3_VERSION);
                SSL_CTX_set_max_proto_version (ctx, TLS1_3_VERSION);
#endif
    default:
		break;
    }
    if (ctx == NULL) {
	Tcl_AppendResult(interp, REASON(), (char *) NULL);
	return TCL_ERROR;
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    if (verify == 0)	verify = SSL_VERIFY_NONE;

    proto |= (ssl2 ? TLS_PROTO_SSL2 : 0);
    proto |= (ssl3 ? TLS_PROTO_SSL3 : 0);
    proto |= (tls1 ? TLS_PROTO_TLS1 : 0);
    proto |= (tls1_1 ? TLS_PROTO_TLS1_1 : 0);
    proto |= (tls1_2 ? TLS_PROTO_TLS1_2 : 0);


    /* reset to NULL if blank string provided */
    if (cert && !*cert)		cert	 = NULL;
    if (key && !*key)		key	 = NULL;
    if (ciphers && !*ciphers)	ciphers	 = NULL;
    if (CAfile && !*CAfile)	CAfile	 = NULL;
    if (CAdir && !*CAdir)	CAdir	 = NULL;








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    if (verify == 0)	verify = SSL_VERIFY_NONE;

    proto |= (ssl2 ? TLS_PROTO_SSL2 : 0);
    proto |= (ssl3 ? TLS_PROTO_SSL3 : 0);
    proto |= (tls1 ? TLS_PROTO_TLS1 : 0);
    proto |= (tls1_1 ? TLS_PROTO_TLS1_1 : 0);
    proto |= (tls1_2 ? TLS_PROTO_TLS1_2 : 0);
    proto |= (tls1_3 ? TLS_PROTO_TLS1_3 : 0);

    /* reset to NULL if blank string provided */
    if (cert && !*cert)		cert	 = NULL;
    if (key && !*key)		key	 = NULL;
    if (ciphers && !*ciphers)	ciphers	 = NULL;
    if (CAfile && !*CAfile)	CAfile	 = NULL;
    if (CAdir && !*CAdir)	CAdir	 = NULL;
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	    Tcl_AppendResult(interp, "bad channel \"",
		    Tcl_GetChannelName(chan), "\": not a TLS channel", NULL);
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
	ctx = ((State *)Tcl_GetChannelInstanceData(chan))->ctx;
    } else {
	if ((ctx = CTX_Init(statePtr, proto, key, cert, CAdir, CAfile, ciphers,
		DHparams)) == (SSL_CTX*)0) {
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
    }

    statePtr->ctx = ctx;








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	    Tcl_AppendResult(interp, "bad channel \"",
		    Tcl_GetChannelName(chan), "\": not a TLS channel", NULL);
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
	ctx = ((State *)Tcl_GetChannelInstanceData(chan))->ctx;
    } else {
	if ((ctx = CTX_Init(statePtr, server, proto, key, cert, CAdir, CAfile, ciphers,
		DHparams)) == (SSL_CTX*)0) {
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
    }

    statePtr->ctx = ctx;
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 * Side effects:
 *	constructs SSL context (CTX)
 *
 *-------------------------------------------------------------------
 */

static SSL_CTX *
CTX_Init(statePtr, proto, key, cert, CAdir, CAfile, ciphers, DHparams)
    State *statePtr;

    int proto;
    char *key;
    char *cert;
    char *CAdir;
    char *CAfile;
    char *ciphers;
    char *DHparams;








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 * Side effects:
 *	constructs SSL context (CTX)
 *
 *-------------------------------------------------------------------
 */

static SSL_CTX *
CTX_Init(statePtr, isServer, proto, key, cert, CAdir, CAfile, ciphers, DHparams)
    State *statePtr;
    int isServer;
    int proto;
    char *key;
    char *cert;
    char *CAdir;
    char *CAfile;
    char *ciphers;
    char *DHparams;
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#endif
#if defined(NO_TLS1_2)
    if (ENABLED(proto, TLS_PROTO_TLS1_2)) {
	Tcl_AppendResult(interp, "protocol not supported", NULL);
	return (SSL_CTX *)0;
    }
#endif







    switch (proto) {
#if !defined(NO_SSL2)
    case TLS_PROTO_SSL2:
	method = SSLv2_method ();
	break;
#endif








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#endif
#if defined(NO_TLS1_2)
    if (ENABLED(proto, TLS_PROTO_TLS1_2)) {
	Tcl_AppendResult(interp, "protocol not supported", NULL);
	return (SSL_CTX *)0;
    }
#endif
#if defined(NO_TLS1_3)
    if (ENABLED(proto, TLS_PROTO_TLS1_3)) {
	Tcl_AppendResult(interp, "protocol not supported", NULL);
	return (SSL_CTX *)0;
    }
#endif

    switch (proto) {
#if !defined(NO_SSL2)
    case TLS_PROTO_SSL2:
	method = SSLv2_method ();
	break;
#endif
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	method = TLSv1_1_method ();
	break;
#endif
#if !defined(NO_TLS1_2)
    case TLS_PROTO_TLS1_2:
	method = TLSv1_2_method ();
	break;
#endif










    default:



        method = SSLv23_method ();

#if !defined(NO_SSL2)
	off |= (ENABLED(proto, TLS_PROTO_SSL2)   ? 0 : SSL_OP_NO_SSLv2);
#endif
#if !defined(NO_SSL3)
	off |= (ENABLED(proto, TLS_PROTO_SSL3)   ? 0 : SSL_OP_NO_SSLv3);
#endif
#if !defined(NO_TLS1)
	off |= (ENABLED(proto, TLS_PROTO_TLS1)   ? 0 : SSL_OP_NO_TLSv1);
#endif
#if !defined(NO_TLS1_1)
	off |= (ENABLED(proto, TLS_PROTO_TLS1_1) ? 0 : SSL_OP_NO_TLSv1_1);
#endif
#if !defined(NO_TLS1_2)
	off |= (ENABLED(proto, TLS_PROTO_TLS1_2) ? 0 : SSL_OP_NO_TLSv1_2);
#endif



	break;
    }
    
    ctx = SSL_CTX_new (method);











    
    SSL_CTX_set_app_data( ctx, (VOID*)interp);	/* remember the interpreter */
    SSL_CTX_set_options( ctx, SSL_OP_ALL);	/* all SSL bug workarounds */
    SSL_CTX_set_options( ctx, off);	/* all SSL bug workarounds */
    SSL_CTX_sess_set_cache_size( ctx, 128);

    if (ciphers != NULL)









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	method = TLSv1_1_method ();
	break;
#endif
#if !defined(NO_TLS1_2)
    case TLS_PROTO_TLS1_2:
	method = TLSv1_2_method ();
	break;
#endif
#if !defined(NO_TLS1_3)
    case TLS_PROTO_TLS1_3:
        /*
         * The version range is constrained below,
         * after the context is created.  Use the
         * generic method here.
         */
	method = TLS_method ();
	break;
#endif
    default:
#ifdef HAVE_TLS_METHOD
        method = TLS_method ();
#else
        method = SSLv23_method ();
#endif
#if !defined(NO_SSL2)
	off |= (ENABLED(proto, TLS_PROTO_SSL2)   ? 0 : SSL_OP_NO_SSLv2);
#endif
#if !defined(NO_SSL3)
	off |= (ENABLED(proto, TLS_PROTO_SSL3)   ? 0 : SSL_OP_NO_SSLv3);
#endif
#if !defined(NO_TLS1)
	off |= (ENABLED(proto, TLS_PROTO_TLS1)   ? 0 : SSL_OP_NO_TLSv1);
#endif
#if !defined(NO_TLS1_1)
	off |= (ENABLED(proto, TLS_PROTO_TLS1_1) ? 0 : SSL_OP_NO_TLSv1_1);
#endif
#if !defined(NO_TLS1_2)
	off |= (ENABLED(proto, TLS_PROTO_TLS1_2) ? 0 : SSL_OP_NO_TLSv1_2);
#endif
#if !defined(NO_TLS1_3)
	off |= (ENABLED(proto, TLS_PROTO_TLS1_3) ? 0 : SSL_OP_NO_TLSv1_3);
#endif
	break;
    }
    
    ctx = SSL_CTX_new (method);

    if (!ctx) {
        return(NULL);
    }

#if !defined(NO_TLS1_3)
    if (proto == TLS_PROTO_TLS1_3) {
        SSL_CTX_set_min_proto_version (ctx, TLS1_3_VERSION);
        SSL_CTX_set_max_proto_version (ctx, TLS1_3_VERSION);
    }
#endif
    
    SSL_CTX_set_app_data( ctx, (VOID*)interp);	/* remember the interpreter */
    SSL_CTX_set_options( ctx, SSL_OP_ALL);	/* all SSL bug workarounds */
    SSL_CTX_set_options( ctx, off);	/* all SSL bug workarounds */
    SSL_CTX_sess_set_cache_size( ctx, 128);

    if (ciphers != NULL)
︙︙

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