Check-in [2ed4afb942]

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Comment:Whitspace formatting changes
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SHA1:2ed4afb942bd4c37f2560974ef6359b75bb143a2
User & Date: rkeene 2016-12-08 07:25:14
Context
2016-12-08
07:32
Do not try to set memory functions -- prototype is broken in newer version and older versions have bugs related to it check-in: bbe273b3dc user: rkeene tags: openssl-1.1
07:25
Whitspace formatting changes check-in: 2ed4afb942 user: rkeene tags: openssl-1.1
07:08
Updated fallback DH params for OpenSSL, supporting OpenSSL 1.1 and older versions check-in: bc2460fc22 user: rkeene tags: openssl-1.1
Changes

Changes to tls.c.

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 *
 *------------------------------------------------------*
 */
static int TlsLibInit (void) {
    static int initialized = 0;
    int i;
    char rnd_seed[16] = "GrzSlplKqUdnnzP!";	/* 16 bytes */
    int status=TCL_OK;

    if (initialized) {
        return status;
    }
    initialized = 1;

#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
    size_t num_locks;

    Tcl_MutexLock(&init_mx);
#endif

	    if (CRYPTO_set_mem_functions((void *(*)(size_t))Tcl_Alloc,
					 (void *(*)(void *, size_t))Tcl_Realloc,
					 (void(*)(void *))Tcl_Free) == 0) {
	       /* Not using Tcl's mem functions ... not critical */
	    }

#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
	    /* should we consider allocating mutexes? */
	    num_locks = CRYPTO_num_locks();
	    if (num_locks > CRYPTO_NUM_LOCKS) {
		status=TCL_ERROR;
		goto done;
	    }

	    CRYPTO_set_locking_callback(CryptoThreadLockCallback);
	    CRYPTO_set_id_callback(CryptoThreadIdCallback);
#endif

	    if (SSL_library_init() != 1) {
	    	status=TCL_ERROR;
		goto done;
	    }
	    SSL_load_error_strings();
	    ERR_load_crypto_strings();

	    /*
	     * Seed the random number generator in the SSL library,
	     * using the do/while construct because of the bug note in the
	     * OpenSSL FAQ at http://www.openssl.org/support/faq.html#USER1
	     *
	     * The crux of the problem is that Solaris 7 does not have a 
	     * /dev/random or /dev/urandom device so it cannot gather enough
	     * entropy from the RAND_seed() when TLS initializes and refuses
	     * to go further. Earlier versions of OpenSSL carried on regardless.
	     */
	    srand((unsigned int) time((time_t *) NULL));
	    do {
		for (i = 0; i < 16; i++) {
		    rnd_seed[i] = 1 + (char) (255.0 * rand()/(RAND_MAX+1.0));
		}
		RAND_seed(rnd_seed, sizeof(rnd_seed));
	    } while (RAND_status() != 1);
done:

#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
	Tcl_MutexUnlock(&init_mx);
#endif

    return status;
}







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 *
 *------------------------------------------------------*
 */
static int TlsLibInit (void) {
    static int initialized = 0;
    int i;
    char rnd_seed[16] = "GrzSlplKqUdnnzP!";	/* 16 bytes */
    int status = TCL_OK;

    if (initialized) {
        return(status);
    }
    initialized = 1;

#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
    size_t num_locks;

    Tcl_MutexLock(&init_mx);
#endif

    if (CRYPTO_set_mem_functions((void *(*)(size_t))Tcl_Alloc,
				 (void *(*)(void *, size_t))Tcl_Realloc,
				 (void(*)(void *))Tcl_Free) == 0) {
       /* Not using Tcl's mem functions ... not critical */
    }

#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
    /* should we consider allocating mutexes? */
    num_locks = CRYPTO_num_locks();
    if (num_locks > CRYPTO_NUM_LOCKS) {
	status = TCL_ERROR;
	goto done;
    }

    CRYPTO_set_locking_callback(CryptoThreadLockCallback);
    CRYPTO_set_id_callback(CryptoThreadIdCallback);
#endif

    if (SSL_library_init() != 1) {
    	status = TCL_ERROR;
	goto done;
    }
    SSL_load_error_strings();
    ERR_load_crypto_strings();

    /*
     * Seed the random number generator in the SSL library,
     * using the do/while construct because of the bug note in the
     * OpenSSL FAQ at http://www.openssl.org/support/faq.html#USER1
     *
     * The crux of the problem is that Solaris 7 does not have a 
     * /dev/random or /dev/urandom device so it cannot gather enough
     * entropy from the RAND_seed() when TLS initializes and refuses
     * to go further. Earlier versions of OpenSSL carried on regardless.
     */
    srand((unsigned int) time((time_t *) NULL));
    do {
	for (i = 0; i < 16; i++) {
	    rnd_seed[i] = 1 + (char) (255.0 * rand()/(RAND_MAX+1.0));
	}
	RAND_seed(rnd_seed, sizeof(rnd_seed));
    } while (RAND_status() != 1);
done:

#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
    Tcl_MutexUnlock(&init_mx);
#endif

    return status;
}