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grub2/0013-libtasn1-changes-for-grub-compatibility.patch
Michael Chang d6d145b71a Accepting request 945751 from home:michael-chang:branches:Base:System 
- Power guest secure boot with static keys: GRUB2 signing portion
  (jsc#SLE-18271) (bsc#1192764)
  * grub2.spec
- Power guest secure boot with static keys: GRUB2 portion (jsc#SLE-18144)
  (bsc#1192686)
  * 0001-ieee1275-Drop-HEAP_MAX_ADDR-and-HEAP_MIN_SIZE-consta.patch
  * 0002-ieee1275-claim-more-memory.patch
  * 0003-ieee1275-request-memory-with-ibm-client-architecture.patch
  * 0004-Add-suport-for-signing-grub-with-an-appended-signatu.patch
  * 0005-docs-grub-Document-signing-grub-under-UEFI.patch
  * 0006-docs-grub-Document-signing-grub-with-an-appended-sig.patch
  * 0007-dl-provide-a-fake-grub_dl_set_persistent-for-the-emu.patch
  * 0008-pgp-factor-out-rsa_pad.patch
  * 0009-crypto-move-storage-for-grub_crypto_pk_-to-crypto.c.patch
  * 0010-posix_wrap-tweaks-in-preparation-for-libtasn1.patch
  * 0011-libtasn1-import-libtasn1-4.18.0.patch
  * 0012-libtasn1-disable-code-not-needed-in-grub.patch
  * 0013-libtasn1-changes-for-grub-compatibility.patch
  * 0014-libtasn1-compile-into-asn1-module.patch
  * 0015-test_asn1-test-module-for-libtasn1.patch
  * 0016-grub-install-support-embedding-x509-certificates.patch
  * 0017-appended-signatures-import-GNUTLS-s-ASN.1-descriptio.patch
  * 0018-appended-signatures-parse-PKCS-7-signedData-and-X.50.patch
  * 0019-appended-signatures-support-verifying-appended-signa.patch
  * 0020-appended-signatures-verification-tests.patch
  * 0021-appended-signatures-documentation.patch
  * 0022-ieee1275-enter-lockdown-based-on-ibm-secure-boot.patch
  * 0023-x509-allow-Digitial-Signature-plus-other-Key-Usages.patch

- Fix no menuentry is found if hibernation on btrfs RAID1 (bsc#1193090)

OBS-URL: https://build.opensuse.org/request/show/945751
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=401
2022-01-12 07:31:19 +00:00

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From f05ba09c9adea447d3ca837c73498b9619306180 Mon Sep 17 00:00:00 2001
From: Daniel Axtens <dja@axtens.net>
Date: Fri, 1 May 2020 20:44:29 +1000
Subject: [PATCH 13/23] libtasn1: changes for grub compatibility
Do a few things to make libtasn1 compile as part of grub:
- redefine _asn1_strcat. grub removed strcat so replace it with the
appropriate calls to memcpy and strlen. Use this internally where
strcat was used.
- replace c_isdigit with grub_isdigit (and don't import c-ctype from
gnulib) grub_isdigit provides the same functionality as c_isdigit: it
determines if the input is an ASCII digit without regard for locale.
- replace GL_ATTRIBUTE_PURE with __attribute__((pure)) which been
supported since gcc-2.96. This avoids messing around with gnulib.
- adjust libtasn1.h: drop the ASN1_API logic, it's not needed for our
modules. Unconditionally support const and pure attributes and adjust
header paths.
- adjust header paths to "grub/libtasn1.h".
- replace a 64 bit division with a call to grub_divmod64, preventing
creation of __udivdi3 calls on 32 bit platforms.
Signed-off-by: Daniel Axtens <dja@axtens.net>
---
v2: Clean up strcat handling, thanks Stefan Berger.
---
grub-core/lib/libtasn1/lib/decoding.c | 11 +++++-----
grub-core/lib/libtasn1/lib/element.c | 3 ++-
grub-core/lib/libtasn1/lib/gstr.c | 4 ++--
grub-core/lib/libtasn1/lib/int.h | 4 ++--
grub-core/lib/libtasn1/lib/parser_aux.c | 7 +++---
include/grub/libtasn1.h | 29 +++++++------------------
6 files changed, 24 insertions(+), 34 deletions(-)
diff --git a/grub-core/lib/libtasn1/lib/decoding.c b/grub-core/lib/libtasn1/lib/decoding.c
index b8130b956..beeb6a176 100644
--- a/grub-core/lib/libtasn1/lib/decoding.c
+++ b/grub-core/lib/libtasn1/lib/decoding.c
@@ -32,7 +32,8 @@
#include <element.h>
#include <limits.h>
#include <intprops.h>
-#include "c-ctype.h"
+
+#define c_isdigit grub_isdigit
#ifdef DEBUG
# define warn() fprintf(stderr, "%s: %d\n", __func__, __LINE__)
@@ -2016,8 +2017,8 @@ asn1_expand_octet_string (asn1_node_const definitions, asn1_node * element,
(p2->type & CONST_ASSIGN))
{
strcpy (name, definitions->name);
- strcat (name, ".");
- strcat (name, p2->name);
+ _asn1_strcat (name, ".");
+ _asn1_strcat (name, p2->name);
len = sizeof (value);
result = asn1_read_value (definitions, name, value, &len);
@@ -2034,8 +2035,8 @@ asn1_expand_octet_string (asn1_node_const definitions, asn1_node * element,
if (p2)
{
strcpy (name, definitions->name);
- strcat (name, ".");
- strcat (name, p2->name);
+ _asn1_strcat (name, ".");
+ _asn1_strcat (name, p2->name);
result = asn1_create_element (definitions, name, &aux);
if (result == ASN1_SUCCESS)
diff --git a/grub-core/lib/libtasn1/lib/element.c b/grub-core/lib/libtasn1/lib/element.c
index 8cd6b662c..150b9b377 100644
--- a/grub-core/lib/libtasn1/lib/element.c
+++ b/grub-core/lib/libtasn1/lib/element.c
@@ -30,9 +30,10 @@
#include "parser_aux.h"
#include <gstr.h>
#include "structure.h"
-#include "c-ctype.h"
#include "element.h"
+#define c_isdigit grub_isdigit
+
void
_asn1_hierarchical_name (asn1_node_const node, char *name, int name_size)
{
diff --git a/grub-core/lib/libtasn1/lib/gstr.c b/grub-core/lib/libtasn1/lib/gstr.c
index 1475ed51b..b729089db 100644
--- a/grub-core/lib/libtasn1/lib/gstr.c
+++ b/grub-core/lib/libtasn1/lib/gstr.c
@@ -36,13 +36,13 @@ _asn1_str_cat (char *dest, size_t dest_tot_size, const char *src)
if (dest_tot_size - dest_size > str_size)
{
- strcat (dest, src);
+ _asn1_strcat (dest, src);
}
else
{
if (dest_tot_size > dest_size)
{
- strncat (dest, src, (dest_tot_size - dest_size) - 1);
+ memcpy (dest + dest_size, src, (dest_tot_size - dest_size) - 1);
dest[dest_tot_size - 1] = 0;
}
}
diff --git a/grub-core/lib/libtasn1/lib/int.h b/grub-core/lib/libtasn1/lib/int.h
index 404cd1562..edfe84a0e 100644
--- a/grub-core/lib/libtasn1/lib/int.h
+++ b/grub-core/lib/libtasn1/lib/int.h
@@ -35,7 +35,7 @@
# include <sys/types.h>
# endif
-# include <libtasn1.h>
+# include "grub/libtasn1.h"
# define ASN1_SMALL_VALUE_SIZE 16
@@ -115,7 +115,7 @@ extern const tag_and_class_st _asn1_tags[];
# define _asn1_strtoul(n,e,b) strtoul((const char *) n, e, b)
# define _asn1_strcmp(a,b) strcmp((const char *)a, (const char *)b)
# define _asn1_strcpy(a,b) strcpy((char *)a, (const char *)b)
-# define _asn1_strcat(a,b) strcat((char *)a, (const char *)b)
+# define _asn1_strcat(a,b) memcpy((char *)a + strlen((const char *)a), (const char *)b, strlen((const char *)b) + 1)
# if SIZEOF_UNSIGNED_LONG_INT == 8
# define _asn1_strtou64(n,e,b) strtoul((const char *) n, e, b)
diff --git a/grub-core/lib/libtasn1/lib/parser_aux.c b/grub-core/lib/libtasn1/lib/parser_aux.c
index c99c5a4cb..a933f03ed 100644
--- a/grub-core/lib/libtasn1/lib/parser_aux.c
+++ b/grub-core/lib/libtasn1/lib/parser_aux.c
@@ -26,7 +26,8 @@
#include "gstr.h"
#include "structure.h"
#include "element.h"
-#include "c-ctype.h"
+
+#define c_isdigit grub_isdigit
char _asn1_identifierMissing[ASN1_MAX_NAME_SIZE + 1]; /* identifier name not found */
@@ -40,7 +41,7 @@ char _asn1_identifierMissing[ASN1_MAX_NAME_SIZE + 1]; /* identifier name not fou
#ifdef __clang__
__attribute__((no_sanitize ("integer")))
#endif
- _GL_ATTRIBUTE_PURE static unsigned int _asn1_hash_name (const char *x)
+ __attribute__((__pure__)) static unsigned int _asn1_hash_name (const char *x)
{
const unsigned char *s = (unsigned char *) x;
unsigned h = 0;
@@ -632,7 +633,7 @@ _asn1_ltostr (int64_t v, char str[LTOSTR_MAX_SIZE])
count = 0;
do
{
- d = val / 10;
+ d = grub_divmod64(val, 10, NULL);
r = val - d * 10;
temp[start + count] = '0' + (char) r;
count++;
diff --git a/include/grub/libtasn1.h b/include/grub/libtasn1.h
index 0c3a44881..2ea058a3b 100644
--- a/include/grub/libtasn1.h
+++ b/include/grub/libtasn1.h
@@ -34,29 +34,16 @@
#ifndef LIBTASN1_H
# define LIBTASN1_H
-# ifndef ASN1_API
-# if defined ASN1_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY
-# define ASN1_API __attribute__((__visibility__("default")))
-# elif defined ASN1_BUILDING && defined _MSC_VER && ! defined ASN1_STATIC
-# define ASN1_API __declspec(dllexport)
-# elif defined _MSC_VER && ! defined ASN1_STATIC
-# define ASN1_API __declspec(dllimport)
-# else
-# define ASN1_API
-# endif
-# endif
+/* grub: ASN1_API is not used */
+# define ASN1_API
+
+/* grub: all our supported compilers support these attributes */
+# define __LIBTASN1_CONST__ __attribute__((const))
+# define __LIBTASN1_PURE__ __attribute__((pure))
-# ifdef __GNUC__
-# define __LIBTASN1_CONST__ __attribute__((const))
-# define __LIBTASN1_PURE__ __attribute__((pure))
-# else
-# define __LIBTASN1_CONST__
-# define __LIBTASN1_PURE__
-# endif
-# include <sys/types.h>
-# include <time.h>
-# include <stdio.h> /* for FILE* */
+# include <grub/types.h>
+# include <grub/time.h>
# ifdef __cplusplus
extern "C"
--
2.31.1
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