allow zero length parameters in KDF_CTX_ctrl()
This commit is contained in:
Tomas Mraz
parent
0536b721ef
commit
b8a97dc1d8
@ -90,8 +90,8 @@ diff -up openssl-1.1.1d/crypto/kdf/build.info.krb5-kdf openssl-1.1.1d/crypto/kdf
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+ tls1_prf.c kdf_err.c kdf_util.c hkdf.c scrypt.c pbkdf2.c sshkdf.c kbkdf.c krb5kdf.c sskdf.c
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diff -up openssl-1.1.1d/crypto/kdf/kbkdf.c.krb5-kdf openssl-1.1.1d/crypto/kdf/kbkdf.c
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--- openssl-1.1.1d/crypto/kdf/kbkdf.c.krb5-kdf 2019-11-14 15:07:05.343094112 +0100
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+++ openssl-1.1.1d/crypto/kdf/kbkdf.c 2019-11-14 16:07:15.385324361 +0100
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@@ -0,0 +1,530 @@
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+++ openssl-1.1.1d/crypto/kdf/kbkdf.c 2019-11-18 17:21:58.326635901 +0100
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@@ -0,0 +1,540 @@
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+/*
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+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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+ * Copyright 2019 Red Hat, Inc.
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@ -127,12 +127,16 @@ diff -up openssl-1.1.1d/crypto/kdf/kbkdf.c.krb5-kdf openssl-1.1.1d/crypto/kdf/kb
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+#include <openssl/cmac.h>
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+#include <openssl/kdf.h>
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+
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+#include "internal/numbers.h"
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+#include "internal/cryptlib.h"
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+#include "internal/evp_int.h"
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+#include "kdf_local.h"
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+
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+#include "e_os.h"
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+
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+#ifdef MIN
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+# undef MIN
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+#endif
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+#define MIN(a, b) ((a) < (b)) ? (a) : (b)
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+
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+typedef struct {
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@ -451,6 +455,12 @@ diff -up openssl-1.1.1d/crypto/kdf/kbkdf.c.krb5-kdf openssl-1.1.1d/crypto/kdf/kb
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+ p = va_arg(args, const unsigned char *);
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+ len = va_arg(args, size_t);
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+ OPENSSL_clear_free(*dst, *dst_len);
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+ if (len == 0) {
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+ *dst = NULL;
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+ *dst_len = 0;
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+ return 1;
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+ }
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+
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+ *dst = OPENSSL_memdup(p, len);
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+ if (*dst == NULL)
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+ return 0;
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@ -711,8 +721,8 @@ diff -up openssl-1.1.1d/crypto/kdf/kdf_util.c.krb5-kdf openssl-1.1.1d/crypto/kdf
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+}
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diff -up openssl-1.1.1d/crypto/kdf/krb5kdf.c.krb5-kdf openssl-1.1.1d/crypto/kdf/krb5kdf.c
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--- openssl-1.1.1d/crypto/kdf/krb5kdf.c.krb5-kdf 2019-11-14 15:07:05.344094093 +0100
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+++ openssl-1.1.1d/crypto/kdf/krb5kdf.c 2019-11-14 16:11:17.761978261 +0100
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@@ -0,0 +1,417 @@
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+++ openssl-1.1.1d/crypto/kdf/krb5kdf.c 2019-11-18 17:18:13.056604404 +0100
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@@ -0,0 +1,423 @@
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+/*
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+ * Copyright 2018-2019 The OpenSSL Project Authors. All Rights Reserved.
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+ *
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@ -811,6 +821,12 @@ diff -up openssl-1.1.1d/crypto/kdf/krb5kdf.c.krb5-kdf openssl-1.1.1d/crypto/kdf/
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+ p = va_arg(args, const unsigned char *);
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+ len = va_arg(args, size_t);
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+ OPENSSL_clear_free(*dst, *dst_len);
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+ if (len == 0) {
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+ *dst = NULL;
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+ *dst_len = 0;
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+ return 1;
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+ }
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+
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+ *dst = OPENSSL_memdup(p, len);
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+ if (*dst == NULL)
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+ return 0;
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@ -1130,10 +1146,34 @@ diff -up openssl-1.1.1d/crypto/kdf/krb5kdf.c.krb5-kdf openssl-1.1.1d/crypto/kdf/
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+ krb5kdf_derive,
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+};
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+
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diff -up openssl-1.1.1d/crypto/kdf/sshkdf.c.krb5-kdf openssl-1.1.1d/crypto/kdf/sshkdf.c
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--- openssl-1.1.1d/crypto/kdf/sshkdf.c.krb5-kdf 2019-11-14 15:07:05.327094396 +0100
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+++ openssl-1.1.1d/crypto/kdf/sshkdf.c 2019-11-18 17:18:25.343388314 +0100
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@@ -12,6 +12,7 @@
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#include <string.h>
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#include <openssl/evp.h>
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#include <openssl/kdf.h>
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+#include "internal/numbers.h"
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#include "internal/cryptlib.h"
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#include "internal/evp_int.h"
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#include "kdf_local.h"
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@@ -68,6 +69,12 @@ static int kdf_sshkdf_parse_buffer_arg(u
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p = va_arg(args, const unsigned char *);
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len = va_arg(args, size_t);
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OPENSSL_clear_free(*dst, *dst_len);
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+ if (len == 0) {
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+ *dst = NULL;
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+ *dst_len = 0;
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+ return 1;
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+ }
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+
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*dst = OPENSSL_memdup(p, len);
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if (*dst == NULL)
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return 0;
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diff -up openssl-1.1.1d/crypto/kdf/sskdf.c.krb5-kdf openssl-1.1.1d/crypto/kdf/sskdf.c
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--- openssl-1.1.1d/crypto/kdf/sskdf.c.krb5-kdf 2019-11-14 15:07:05.344094093 +0100
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+++ openssl-1.1.1d/crypto/kdf/sskdf.c 2019-11-14 15:43:17.603150203 +0100
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@@ -0,0 +1,252 @@
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+++ openssl-1.1.1d/crypto/kdf/sskdf.c 2019-11-18 17:21:40.349952802 +0100
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@@ -0,0 +1,255 @@
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+/*
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+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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@ -1287,10 +1327,13 @@ diff -up openssl-1.1.1d/crypto/kdf/sskdf.c.krb5-kdf openssl-1.1.1d/crypto/kdf/ss
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+
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+ p = va_arg(args, const unsigned char *);
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+ len = va_arg(args, size_t);
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+ if (len == 0 || p == NULL)
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+ OPENSSL_clear_free(*out, *out_len);
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+ if (len == 0) {
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+ *out = NULL;
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+ *out_len = 0;
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+ return 1;
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+ }
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+
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+ OPENSSL_free(*out);
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+ *out = OPENSSL_memdup(p, len);
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+ if (*out == NULL)
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+ return 0;
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@ -22,7 +22,7 @@
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Summary: Utilities from the general purpose cryptography library with TLS implementation
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Name: openssl
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Version: 1.1.1d
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Release: 4%{?dist}
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Release: 5%{?dist}
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Epoch: 1
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# We have to remove certain patented algorithms from the openssl source
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# tarball with the hobble-openssl script which is included below.
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@ -458,6 +458,9 @@ export LD_LIBRARY_PATH
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%ldconfig_scriptlets libs
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%changelog
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* Thu Nov 21 2019 Tomáš Mráz <tmraz@redhat.com> 1.1.1d-5
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- allow zero length parameters in KDF_CTX_ctrl()
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* Thu Nov 14 2019 Tomáš Mráz <tmraz@redhat.com> 1.1.1d-4
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- backport of SSKDF from master
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