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 <d...@axtens.net>
Signed-off-by: Gary Lin <g...@suse.com>
Reviewed-by: Daniel Kiper <daniel.ki...@oracle.com>
---
...-strcat-with-strcpy-in-_asn1_str_cat.patch | 33 +++++++++++++++++++
1 file changed, 33 insertions(+)
create mode 100644
grub-core/lib/libtasn1-patches/0002-libtasn1-replace-strcat-with-strcpy-in-_asn1_str_cat.patch
diff --git
a/grub-core/lib/libtasn1-patches/0002-libtasn1-replace-strcat-with-strcpy-in-_asn1_str_cat.patch
b/grub-core/lib/libtasn1-patches/0002-libtasn1-replace-strcat-with-strcpy-in-_asn1_str_cat.patch
new file mode 100644
index 000000000..908016df7
--- /dev/null
+++
b/grub-core/lib/libtasn1-patches/0002-libtasn1-replace-strcat-with-strcpy-in-_asn1_str_cat.patch
@@ -0,0 +1,33 @@
+From 93453558fbe34634096770933b3dc40c9199dfb4 Mon Sep 17 00:00:00 2001
+From: Gary Lin <g...@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 <d...@axtens.net>
+Signed-off-by: Gary Lin <g...@suse.com>
+Reviewed-by: Daniel Kiper <daniel.ki...@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
+
--
2.43.0
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