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libtasn1: Replace strcat() with strcpy() in _asn1_str_cat()

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strcat() is not available in GRUB. This commit replaces strcat() with
strcpy() in _asn1_str_cat() as the preparation to replace other strcat()
with the bounds-checking _asn1_str_cat().

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Tested-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Gary Lin 2024-11-15 15:34:32 +08:00 committed by Daniel Kiper
parent fa498af7b9
commit 32fdfe6008
1 changed files with 33 additions and 0 deletions
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33
grub-core/lib/libtasn1-patches/0002-libtasn1-replace-strcat-with-strcpy-in-_asn1_str_cat.patch Normal file
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@ -0,0 +1,33 @@
From 93453558fbe34634096770933b3dc40c9199dfb4 Mon Sep 17 00:00:00 2001
From: Gary Lin <glin@suse.com>
Date: Tue, 20 Aug 2024 16:14:51 +0800
Subject: [PATCH 02/13] libtasn1: replace strcat() with strcpy() in
_asn1_str_cat()
strcat() is not available in GRUB. This commit replaces strcat() with
strcpy() in _asn1_str_cat() as the preparation to replace other strcat()
with the bounds-checking _asn1_str_cat().
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
---
grub-core/lib/libtasn1-grub/lib/gstr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/grub-core/lib/libtasn1-grub/lib/gstr.c b/grub-core/lib/libtasn1-grub/lib/gstr.c
index eef419554..a9c16f5d3 100644
--- a/grub-core/lib/libtasn1-grub/lib/gstr.c
+++ b/grub-core/lib/libtasn1-grub/lib/gstr.c
@@ -36,7 +36,7 @@ _asn1_str_cat (char *dest, size_t dest_tot_size, const char *src)
if (dest_tot_size - dest_size > str_size)
{
- strcat (dest, src);
+ strcpy (dest + dest_size, src);
}
else
{
--
2.43.0