clang / rpms / openssl

Forked from rpms/openssl 2 years ago
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diff -up openssl-1.0.1e/crypto/asn1/x_x509.c.use-after-free openssl-1.0.1e/crypto/asn1/x_x509.c
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--- openssl-1.0.1e/crypto/asn1/x_x509.c.use-after-free	2013-02-11 16:26:04.000000000 +0100
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+++ openssl-1.0.1e/crypto/asn1/x_x509.c	2015-06-11 11:14:52.581856349 +0200
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@@ -170,8 +170,14 @@ X509 *d2i_X509_AUX(X509 **a, const unsig
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 {
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 	const unsigned char *q;
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 	X509 *ret;
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+	int freeret = 0;
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+
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 	/* Save start position */
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 	q = *pp;
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+
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+	if(!a || *a == NULL) {
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+		freeret = 1;
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+	}
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 	ret = d2i_X509(a, pp, length);
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 	/* If certificate unreadable then forget it */
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 	if(!ret) return NULL;
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@@ -181,7 +187,11 @@ X509 *d2i_X509_AUX(X509 **a, const unsig
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 	if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err;
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 	return ret;
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 	err:
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-	X509_free(ret);
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+	if(freeret) {
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+		X509_free(ret);
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+		if (a)
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+			*a = NULL;
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+	}
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 	return NULL;
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 }
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diff -up openssl-1.0.1e/crypto/ec/ec_asn1.c.use-after-free openssl-1.0.1e/crypto/ec/ec_asn1.c
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--- openssl-1.0.1e/crypto/ec/ec_asn1.c.use-after-free	2013-02-11 16:26:04.000000000 +0100
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+++ openssl-1.0.1e/crypto/ec/ec_asn1.c	2015-06-11 11:14:52.581856349 +0200
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@@ -1140,8 +1140,6 @@ EC_KEY *d2i_ECPrivateKey(EC_KEY **a, con
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                                  ERR_R_MALLOC_FAILURE);
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 			goto err;
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 			}
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-		if (a)
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-			*a = ret;
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 		}
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 	else
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 		ret = *a;
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@@ -1206,11 +1204,13 @@ EC_KEY *d2i_ECPrivateKey(EC_KEY **a, con
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 			}
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 		}
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+	if (a)
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+		*a = ret;
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 	ok = 1;
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 err:
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 	if (!ok)
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 		{
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-		if (ret)
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+		if (ret && (a == NULL || *a != ret))
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 			EC_KEY_free(ret);
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 		ret = NULL;
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 		}
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@@ -1358,8 +1358,6 @@ EC_KEY *d2i_ECParameters(EC_KEY **a, con
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 			ECerr(EC_F_D2I_ECPARAMETERS, ERR_R_MALLOC_FAILURE);
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 			return NULL;
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 			}
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-		if (a)
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-			*a = ret;
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 		}
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 	else
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 		ret = *a;
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@@ -1367,9 +1365,14 @@ EC_KEY *d2i_ECParameters(EC_KEY **a, con
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 	if (!d2i_ECPKParameters(&ret->group, in, len))
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 		{
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 		ECerr(EC_F_D2I_ECPARAMETERS, ERR_R_EC_LIB);
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+		if (a == NULL || *a != ret)
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+			EC_KEY_free(ret);
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 		return NULL;
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 		}
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+	if (a)
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+		*a = ret;
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+
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 	return ret;
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 	}
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