[PATCH 6/6] ima-evm-utils: define a basic hash_info.h file

[Mimi Zohar <zohar@linux.ibm.com>]

Some older system kernel header packages don't necessarily include
hash_info.h.

Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
---
 src/Makefile.am   |  2 +-
 src/hash_info.gen | 43 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 36652427a8ec..9bbff5034ef4 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -34,5 +34,5 @@ endif
 
 AM_CPPFLAGS = -I$(top_srcdir) -include config.h
 
-CLEANFILES = hash_info.h
+CLEANFILES = hash_info.h tmp_hash_info.h
 DISTCLEANFILES = @DISTCLEANFILES@
diff --git a/src/hash_info.gen b/src/hash_info.gen
index 54532ca5b847..5f7a97fb3117 100755
--- a/src/hash_info.gen
+++ b/src/hash_info.gen
@@ -18,11 +18,54 @@ KERNEL_HEADERS=$1
 HASH_INFO_H=uapi/linux/hash_info.h
 HASH_INFO=$KERNEL_HEADERS/include/$HASH_INFO_H
 
+TMPHASHINFO="./tmp_hash_info.h"
+gen_hashinfo() {
+cat << __EOF__ >$TMPHASHINFO
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Hash Info: Hash algorithms information
+ *
+ * Copyright (c) 2013 Dmitry Kasatkin <d.kasatkin@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+
+enum hash_algo {
+	HASH_ALGO_MD4,
+	HASH_ALGO_MD5,
+	HASH_ALGO_SHA1,
+	HASH_ALGO_RIPE_MD_160,
+	HASH_ALGO_SHA256,
+	HASH_ALGO_SHA384,
+	HASH_ALGO_SHA512,
+	HASH_ALGO_SHA224,
+	HASH_ALGO_RIPE_MD_128,
+	HASH_ALGO_RIPE_MD_256,
+	HASH_ALGO_RIPE_MD_320,
+	HASH_ALGO_WP_256,
+	HASH_ALGO_WP_384,
+	HASH_ALGO_WP_512,
+	HASH_ALGO_TGR_128,
+	HASH_ALGO_TGR_160,
+	HASH_ALGO_TGR_192,
+	HASH_ALGO_SM3_256,
+	HASH_ALGO__LAST
+};
+__EOF__
+}
+
 # Allow to specify kernel-headers past include/
 if [ ! -e $HASH_INFO ]; then
   HASH_INFO2=$KERNEL_HEADERS/$HASH_INFO_H
   if [ -e $HASH_INFO2 ]; then
     HASH_INFO=$HASH_INFO2
+  else
+    gen_hashinfo
+    HASH_INFO="$TMPHASHINFO"
   fi
 fi
 
-- 
2.7.5