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From: Blaise Boscaccy <bboscaccy@linux.microsoft.com>
To: "Blaise Boscaccy" <bboscaccy@linux.microsoft.com>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Paul Moore" <paul@paul-moore.com>,
	"James Morris" <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	"Mickaël Salaün" <mic@digikod.net>,
	"Günther Noack" <gnoack@google.com>,
	"Dr. David Alan Gilbert" <linux@treblig.org>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	James.Bottomley@HansenPartnership.com, dhowells@redhat.com,
	"Fan Wu" <wufan@kernel.org>,
	"Ryan Foster" <foster.ryan.r@gmail.com>,
	"Randy Dunlap" <rdunlap@infradead.org>,
	linux-security-module@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, bpf@vger.kernel.org
Subject: [PATCH v3 8/9] hornet: Add a light skeleton data extractor scripts
Date: Wed, 25 Mar 2026 23:06:37 -0700	[thread overview]
Message-ID: <20260326060655.2550595-9-bboscaccy@linux.microsoft.com> (raw)
In-Reply-To: <20260326060655.2550595-1-bboscaccy@linux.microsoft.com>

These script eases light skeleton development against Hornet by
generating a data payloads which can be used for signing a light
skeleton binary using gen_sig.

Signed-off-by: Blaise Boscaccy <bboscaccy@linux.microsoft.com>
---
 scripts/hornet/extract-insn.sh | 27 +++++++++++++++++++++++++++
 scripts/hornet/extract-map.sh  | 27 +++++++++++++++++++++++++++
 scripts/hornet/extract-skel.sh | 27 +++++++++++++++++++++++++++
 3 files changed, 81 insertions(+)
 create mode 100755 scripts/hornet/extract-insn.sh
 create mode 100755 scripts/hornet/extract-map.sh
 create mode 100755 scripts/hornet/extract-skel.sh

diff --git a/scripts/hornet/extract-insn.sh b/scripts/hornet/extract-insn.sh
new file mode 100755
index 0000000000000..52338f057ff6b
--- /dev/null
+++ b/scripts/hornet/extract-insn.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (c) 2025 Microsoft Corporation
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of version 2 of the GNU General Public
+# License as published by the Free Software Foundation.
+
+function usage() {
+    echo "Sample script for extracting instructions"
+    echo "autogenerated eBPF lskel headers"
+    echo ""
+    echo "USAGE: header_file"
+    exit
+}
+
+ARGC=$#
+
+EXPECTED_ARGS=1
+
+if [ $ARGC -ne $EXPECTED_ARGS ] ; then
+    usage
+else
+    printf $(gcc -E $1 | grep "opts_insn" | \
+		 awk -F"=" '{print $2}' | sed 's/;\+$//' | sed 's/\"//g')
+fi
diff --git a/scripts/hornet/extract-map.sh b/scripts/hornet/extract-map.sh
new file mode 100755
index 0000000000000..c309f505c6238
--- /dev/null
+++ b/scripts/hornet/extract-map.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (c) 2025 Microsoft Corporation
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of version 2 of the GNU General Public
+# License as published by the Free Software Foundation.
+
+function usage() {
+    echo "Sample script for extracting instructions"
+    echo "autogenerated eBPF lskel headers"
+    echo ""
+    echo "USAGE: header_file"
+    exit
+}
+
+ARGC=$#
+
+EXPECTED_ARGS=1
+
+if [ $ARGC -ne $EXPECTED_ARGS ] ; then
+    usage
+else
+    printf $(gcc -E $1 | grep "opts_data" | \
+		 awk -F"=" '{print $2}' | sed 's/;\+$//' | sed 's/\"//g')
+fi
diff --git a/scripts/hornet/extract-skel.sh b/scripts/hornet/extract-skel.sh
new file mode 100755
index 0000000000000..6550a86b89917
--- /dev/null
+++ b/scripts/hornet/extract-skel.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (c) 2025 Microsoft Corporation
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of version 2 of the GNU General Public
+# License as published by the Free Software Foundation.
+
+function usage() {
+    echo "Sample script for extracting instructions and map data out of"
+    echo "autogenerated eBPF lskel headers"
+    echo ""
+    echo "USAGE: header_file field"
+    exit
+}
+
+ARGC=$#
+
+EXPECTED_ARGS=2
+
+if [ $ARGC -ne $EXPECTED_ARGS ] ; then
+    usage
+else
+    printf $(gcc -E $1 | grep "static const char opts_$2" | \
+		 awk -F"=" '{print $2}' | sed 's/;\+$//' | sed 's/\"//g')
+fi
-- 
2.53.0


  parent reply	other threads:[~2026-03-26  6:07 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-26  6:06 [PATCH v3 0/9] Reintrodce Hornet LSM Blaise Boscaccy
2026-03-26  6:06 ` [PATCH v3 1/9] crypto: pkcs7: add flag for validated trust on a signed info block Blaise Boscaccy
2026-03-26  6:06 ` [PATCH v3 2/9] crypto: pkcs7: add ability to extract signed attributes by OID Blaise Boscaccy
2026-03-26  6:06 ` [PATCH v3 3/9] crypto: pkcs7: add tests for pkcs7_get_authattr Blaise Boscaccy
2026-03-26  6:06 ` [PATCH v3 4/9] lsm: framework for BPF integrity verification Blaise Boscaccy
2026-03-27 16:46   ` Song Liu
2026-03-27 17:54     ` Blaise Boscaccy
2026-03-27 18:24       ` Song Liu
2026-03-31 22:04         ` Paul Moore
2026-03-26  6:06 ` [PATCH v3 5/9] lsm: security: Add additional enum values for bpf integrity checks Blaise Boscaccy
2026-03-26  6:06 ` [PATCH v3 6/9] security: Hornet LSM Blaise Boscaccy
2026-03-28  2:55   ` kernel test robot
2026-03-31 23:49   ` Paul Moore
2026-03-26  6:06 ` [PATCH v3 7/9] hornet: Introduce gen_sig Blaise Boscaccy
2026-03-26  6:06 ` Blaise Boscaccy [this message]
2026-03-26  6:06 ` [PATCH v3 9/9] selftests/hornet: Add a selftest for the Hornet LSM Blaise Boscaccy

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