Update apps for bn opaque change

Reviewed-by: NTim Hudson <tjh@openssl.org>

apps/dhparam.c

@@ -292,8 +292,15 @@ bad:
 
 	if(num) {
 
-		BN_GENCB cb;
-		BN_GENCB_set(&cb, dh_cb, bio_err);
+		BN_GENCB *cb;
+		cb = BN_GENCB_new();
+		if(!cb)
+			{
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+
+		BN_GENCB_set(cb, dh_cb, bio_err);
 		if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL)
 			{
 			BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
@@ -309,9 +316,10 @@ bad:
 			
 			BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
 			if(!dsa || !DSA_generate_parameters_ex(dsa, num,
-						NULL, 0, NULL, NULL, &cb))
+						NULL, 0, NULL, NULL, cb))
 				{
 				if(dsa) DSA_free(dsa);
+				BN_GENCB_free(cb);
 				ERR_print_errors(bio_err);
 				goto end;
 				}
@@ -320,6 +328,7 @@ bad:
 			DSA_free(dsa);
 			if (dh == NULL)
 				{
+				BN_GENCB_free(cb);
 				ERR_print_errors(bio_err);
 				goto end;
 				}
@@ -330,13 +339,15 @@ bad:
 			dh = DH_new();
 			BIO_printf(bio_err,"Generating DH parameters, %d bit long safe prime, generator %d\n",num,g);
 			BIO_printf(bio_err,"This is going to take a long time\n");
-			if(!dh || !DH_generate_parameters_ex(dh, num, g, &cb))
+			if(!dh || !DH_generate_parameters_ex(dh, num, g, cb))
 				{
+				BN_GENCB_free(cb);
 				ERR_print_errors(bio_err);
 				goto end;
 				}
 			}
 
+		BN_GENCB_free(cb);
 		app_RAND_write_file(NULL, bio_err);
 	} else {
 
@@ -547,8 +558,8 @@ static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb)
 	if (p == 1) c='+';
 	if (p == 2) c='*';
 	if (p == 3) c='\n';
-	BIO_write(cb->arg,&c,1);
-	(void)BIO_flush(cb->arg);
+	BIO_write(BN_GENCB_get_arg(cb),&c,1);
+	(void)BIO_flush(BN_GENCB_get_arg(cb));
 #ifdef LINT
 	p=n;
 #endif

apps/dsaparam.c

@@ -119,6 +119,7 @@ int MAIN(int argc, char **argv)
 	int numbits= -1,num,genkey=0;
 	int need_rand=0;
 	int non_fips_allow = 0;
+	BN_GENCB *cb = NULL;
 #ifndef OPENSSL_NO_ENGINE
 	char *engine=NULL;
 #endif
@@ -291,8 +292,13 @@ bad:
 
 	if (numbits > 0)
 		{
-		BN_GENCB cb;
-		BN_GENCB_set(&cb, dsa_cb, bio_err);
+		cb = BN_GENCB_new();
+		if(!cb)
+			{
+			BIO_printf(bio_err,"Error allocating BN_GENCB object\n");
+			goto end;
+			}
+		BN_GENCB_set(cb, dsa_cb, bio_err);
 		assert(need_rand);
 		dsa = DSA_new();
 		if(!dsa)
@@ -320,7 +326,7 @@ bad:
 		alarm(timebomb);
 	}
 #endif
-	        if(!DSA_generate_parameters_ex(dsa,num,NULL,0,NULL,NULL, &cb))
+	        if(!DSA_generate_parameters_ex(dsa,num,NULL,0,NULL,NULL, cb))
 			{
 #ifdef GENCB_TEST
 			if(stop_keygen_flag)
@@ -458,6 +464,7 @@ bad:
 		app_RAND_write_file(NULL, bio_err);
 	ret=0;
 end:
+	if (cb != NULL) BN_GENCB_free(cb);
 	if (in != NULL) BIO_free(in);
 	if (out != NULL) BIO_free_all(out);
 	if (dsa != NULL) DSA_free(dsa);
@@ -473,8 +480,8 @@ static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *cb)
 	if (p == 1) c='+';
 	if (p == 2) c='*';
 	if (p == 3) c='\n';
-	BIO_write(cb->arg,&c,1);
-	(void)BIO_flush(cb->arg);
+	BIO_write(BN_GENCB_get_arg(cb),&c,1);
+	(void)BIO_flush(BN_GENCB_get_arg(cb));
 #ifdef LINT
 	p=n;
 #endif

apps/gendh.c

@@ -88,7 +88,7 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
-	BN_GENCB cb;
+	BN_GENCB *cb=NULL;
 	DH *dh=NULL;
 	int ret=1,num=DEFBITS;
 	int g=2;
@@ -101,11 +101,16 @@ int MAIN(int argc, char **argv)
 
 	apps_startup();
 
-	BN_GENCB_set(&cb, dh_cb, bio_err);
 	if (bio_err == NULL)
 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 
+	cb = BN_GENCB_new();
+	if(!cb)
+		goto end;
+
+	BN_GENCB_set(cb, dh_cb, bio_err);
+
 	if (!load_config(bio_err, NULL))
 		goto end;
 
@@ -200,7 +205,7 @@ bad:
 	BIO_printf(bio_err,"Generating DH parameters, %d bit long safe prime, generator %d\n",num,g);
 	BIO_printf(bio_err,"This is going to take a long time\n");
 
-	if(((dh = DH_new()) == NULL) || !DH_generate_parameters_ex(dh, num, g, &cb))
+	if(((dh = DH_new()) == NULL) || !DH_generate_parameters_ex(dh, num, g, cb))
 		goto end;
 		
 	app_RAND_write_file(NULL, bio_err);
@@ -213,6 +218,7 @@ end:
 		ERR_print_errors(bio_err);
 	if (out != NULL) BIO_free_all(out);
 	if (dh != NULL) DH_free(dh);
+	if (cb != NULL) BN_GENCB_free(cb);
 	apps_shutdown();
 	OPENSSL_EXIT(ret);
 	}
@@ -225,8 +231,8 @@ static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb)
 	if (p == 1) c='+';
 	if (p == 2) c='*';
 	if (p == 3) c='\n';
-	BIO_write(cb->arg,&c,1);
-	(void)BIO_flush(cb->arg);
+	BIO_write(BN_GENCB_get_arg(cb),&c,1);
+	(void)BIO_flush(BN_GENCB_get_arg(cb));
 #ifdef LINT
 	p=n;
 #endif

apps/genrsa.c

@@ -88,18 +88,18 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
-	BN_GENCB cb;
+	BN_GENCB *cb = NULL;
 #ifndef OPENSSL_NO_ENGINE
 	ENGINE *e = NULL;
 #endif
 	int ret=1;
 	int non_fips_allow = 0;
-	int i,num=DEFBITS;
-	long l;
+	int num=DEFBITS;
 	const EVP_CIPHER *enc=NULL;
 	unsigned long f4=RSA_F4;
 	char *outfile=NULL;
 	char *passargout = NULL, *passout = NULL;
+	char *hexe, *dece;
 #ifndef OPENSSL_NO_ENGINE
 	char *engine=NULL;
 #endif
@@ -107,11 +107,14 @@ int MAIN(int argc, char **argv)
 	BIO *out=NULL;
 	BIGNUM *bn = BN_new();
 	RSA *rsa = NULL;
-
 	if(!bn) goto err;
 
+	cb = BN_GENCB_new();
+	if(!cb) goto err;
+
 	apps_startup();
-	BN_GENCB_set(&cb, genrsa_cb, bio_err);
+
+	BN_GENCB_set(cb, genrsa_cb, bio_err);
 
 	if (bio_err == NULL)
 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
@@ -279,23 +282,19 @@ bad:
 	if (non_fips_allow)
 		rsa->flags |= RSA_FLAG_NON_FIPS_ALLOW;
 
-	if(!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, &cb))
+	if(!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, cb))
 		goto err;
 		
 	app_RAND_write_file(NULL, bio_err);
 
-	/* We need to do the following for when the base number size is <
-	 * long, esp windows 3.1 :-(. */
-	l=0L;
-	for (i=0; i<rsa->e->top; i++)
+	hexe = BN_bn2hex(rsa->e);
+	dece = BN_bn2dec(rsa->e);
+	if(hexe && dece)
 		{
-#ifndef SIXTY_FOUR_BIT
-		l<<=BN_BITS4;
-		l<<=BN_BITS4;
-#endif
-		l+=rsa->e->d[i];
+		BIO_printf(bio_err,"e is %s (0x%s)\n",dece, hexe);
 		}
-	BIO_printf(bio_err,"e is %ld (0x%lX)\n",l,l);
+	if(hexe) OPENSSL_free(hexe);
+	if(dece) OPENSSL_free(dece);
 	{
 	PW_CB_DATA cb_data;
 	cb_data.password = passout;
@@ -308,6 +307,7 @@ bad:
 	ret=0;
 err:
 	if (bn) BN_free(bn);
+	if (cb) BN_GENCB_free(cb);
 	if (rsa) RSA_free(rsa);
 	if (out) BIO_free_all(out);
 	if(passout) OPENSSL_free(passout);
@@ -325,8 +325,8 @@ static int MS_CALLBACK genrsa_cb(int p, int n, BN_GENCB *cb)
 	if (p == 1) c='+';
 	if (p == 2) c='*';
 	if (p == 3) c='\n';
-	BIO_write(cb->arg,&c,1);
-	(void)BIO_flush(cb->arg);
+	BIO_write(BN_GENCB_get_arg(cb),&c,1);
+	(void)BIO_flush(BN_GENCB_get_arg(cb));
 #ifdef LINT
 	p=n;
 #endif