From 30a3cefc7c57f80f264aad97cfe8061a4dec10bb Mon Sep 17 00:00:00 2001
From: YellowJacketLinux <anymouseprophet@gmail.com>
Date: Wed, 16 Oct 2024 16:24:05 -0700
Subject: [PATCH] libseccomp

---
 21-libseccomp.sh | 54 ++++++++++++++++++++++++++++++++++++++++++++++++
 README.md        |  8 +++++++
 2 files changed, 62 insertions(+)
 create mode 100644 21-libseccomp.sh

diff --git a/21-libseccomp.sh b/21-libseccomp.sh
new file mode 100644
index 0000000..cae73c7
--- /dev/null
+++ b/21-libseccomp.sh
@@ -0,0 +1,54 @@
+#!/bin/bash
+
+if [ "`whoami`" == "root" ]; then
+  echo "Danger, Will Robinson!"
+  echo "Do not execute me as r00t"
+  exit 1
+fi
+
+TARBALL="libseccomp-2.5.5.tar.gz"
+DNL="https://github.com/seccomp/libseccomp/releases/download/v2.5.5/libseccomp-2.5.5.tar.gz"
+SHA256="248a2c8a4d9b9858aa6baf52712c34afefcf9c9e94b76dce02c1c9aa25fb3375"
+
+[ -d libseccomp-2.5.5 ] && rm -rf libseccomp-2.5.5
+
+if [ ! -f ${TARBALL} ]; then
+  wget ${DNL}
+  if [ $? -ne 0 ]; then
+    echo "Could not retrieve ${DNL}"
+    echo "Sorry."
+    exit 1
+  fi
+fi
+
+CHECK="`sha256sum ${TARBALL} |awk ' { print $1 } ' `"
+if [ "${CHECK}" != "${SHA256}" ]; then
+  echo "${TARBALL} does not match expected SHA256. Sorry."
+  exit 1
+fi
+
+tar -zxf ${TARBALL} && cd libseccomp-2.5.5
+
+./configure --prefix=/usr --disable-static
+if [ $? -ne 0 ]; then
+  echo "Configure script failed for libseccomp. Sorry."
+  exit 1
+fi
+
+make
+if [ $? -ne 0 ]; then
+  echo "Failed building libseccomp. Sorry."
+  exit 1
+fi
+
+echo "running make check"
+make check > libseccomp.check.log 2>&1
+
+echo
+echo "Inspect libseccomp-2.5.5/libseccomp.check.log"
+echo "and if it looks good, as root run:"
+echo
+echo "  cd libseccomp-2.5.5"
+echo "  make install"
+echo
+
diff --git a/README.md b/README.md
index 8fb82da..1a827c1 100644
--- a/README.md
+++ b/README.md
@@ -195,4 +195,12 @@ scripts on a GNU/Linux system. No build dependencies outside of LFS.
 * Script: [`20-which.sh`](20-which.sh)
 * Stutus: Script Untested
 
+Dependency Twenty-One: libseccomp
+---------------------------------
+
+Justification: Needed for GnuTLS. Depends upon which.
+
+* Script: [`21-libseccomp.sh`](21-libseccomp.sh)
+* Status: Script Untested
+