initial buildroot for linux 5.15

package/libtomcrypt/0001-fix-CVE-2019-17362.patch

@@ -0,0 +1,29 @@
+From 25c26a3b7a9ad8192ccc923e15cf62bf0108ef94 Mon Sep 17 00:00:00 2001
+From: werew <werew@ret2libc.com>
+Date: Thu, 3 Oct 2019 19:57:10 +0200
+Subject: [PATCH] Fixes #507
+
+Fix a vulnerability in der_decode_utf8_string as specified here:
+https://github.com/libtom/libtomcrypt/issues/507
+
+[for import into Buildroot]
+Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
+
+
+---
+ src/pk/asn1/der/utf8/der_decode_utf8_string.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/pk/asn1/der/utf8/der_decode_utf8_string.c b/src/pk/asn1/der/utf8/der_decode_utf8_string.c
+index 94555b99f..d3ed82bea 100644
+--- a/src/pk/asn1/der/utf8/der_decode_utf8_string.c
++++ b/src/pk/asn1/der/utf8/der_decode_utf8_string.c
+@@ -65,7 +65,7 @@ int der_decode_utf8_string(const unsigned char *in,  unsigned long inlen,
+       /* count number of bytes */
+       for (z = 0; (tmp & 0x80) && (z <= 4); z++, tmp = (tmp << 1) & 0xFF);
+ 
+-      if (z > 4 || (x + (z - 1) > inlen)) {
++      if (z == 1 || z > 4 || (x + (z - 1) > inlen)) {
+          return CRYPT_INVALID_PACKET;
+       }
+ 

package/libtomcrypt/Config.in

@@ -0,0 +1,11 @@
+config BR2_PACKAGE_LIBTOMCRYPT
+	bool "libtomcrypt"
+	select BR2_PACKAGE_LIBTOMMATH
+	help
+	  LibTomCrypt is a fairly comprehensive, modular and portable
+	  cryptographic toolkit that provides developers with a vast
+	  array of well known published block ciphers, one-way hash
+	  functions, chaining modes, pseudo-random number generators,
+	  public key cryptography and a plethora of other routines.
+
+	  https://www.libtom.net

package/libtomcrypt/libtomcrypt.hash

@@ -0,0 +1,5 @@
+# Locally computed
+sha256  96ad4c3b8336050993c5bc2cf6c057484f2b0f9f763448151567fbab5e767b84  crypt-1.18.2.tar.xz
+
+# Hash for license file:
+sha256  8f196cb13afd271f5e267fd29543fc454596382ad580e7592709492843996ac8  LICENSE

package/libtomcrypt/libtomcrypt.mk

@@ -0,0 +1,35 @@
+################################################################################
+#
+# libtomcrypt
+#
+################################################################################
+
+LIBTOMCRYPT_VERSION = 1.18.2
+LIBTOMCRYPT_SITE = https://github.com/libtom/libtomcrypt/releases/download/v$(LIBTOMCRYPT_VERSION)
+LIBTOMCRYPT_SOURCE = crypt-$(LIBTOMCRYPT_VERSION).tar.xz
+LIBTOMCRYPT_LICENSE = WTFPL
+LIBTOMCRYPT_LICENSE_FILES = LICENSE
+LIBTOMCRYPT_CPE_ID_VENDOR = libtom
+LIBTOMCRYPT_INSTALL_STAGING = YES
+LIBTOMCRYPT_INSTALL_TARGET = NO # only static library
+LIBTOMCRYPT_DEPENDENCIES = libtommath
+
+# 0001-fix-CVE-2019-17362.patch
+LIBTOMCRYPT_IGNORE_CVES += CVE-2019-17362
+
+LIBTOMCRYPT_CFLAGS = -I./src/headers $(TARGET_CFLAGS) -DLTC_SOURCE -DLTM_DESC
+
+ifeq ($(BR2_STATIC_LIBS),)
+LIBTOMCRYPT_CFLAGS += -fPIC
+endif
+
+define LIBTOMCRYPT_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) -f makefile.unix $(TARGET_CONFIGURE_OPTS) CFLAGS="$(LIBTOMCRYPT_CFLAGS)"
+endef
+
+define LIBTOMCRYPT_INSTALL_STAGING_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) -f makefile.unix \
+		DESTDIR="$(STAGING_DIR)" PREFIX=/usr install
+endef
+
+$(eval $(generic-package))