From cb154076c205370a5688ddde8a55534158065277 Mon Sep 17 00:00:00 2001
From: "Kai-Chun Ning (Github Signing key)" <kaichun.ning@gmail.com>
Date: Mon, 8 Jul 2024 19:15:56 +0200
Subject: [PATCH] app-admin/opensnitch-ebpf-module: add 1.6.6

Signed-off-by: Kai-Chun Ning (Github Signing key) <kaichun.ning@gmail.com>
---
 app-admin/opensnitch-ebpf-module/Manifest     |  1 +
 .../opensnitch-ebpf-module-1.6.6.ebuild       | 74 +++++++++++++++++++
 2 files changed, 75 insertions(+)
 create mode 100644 app-admin/opensnitch-ebpf-module/opensnitch-ebpf-module-1.6.6.ebuild

diff --git a/app-admin/opensnitch-ebpf-module/Manifest b/app-admin/opensnitch-ebpf-module/Manifest
index 3eaea797f..dfbe752e6 100644
--- a/app-admin/opensnitch-ebpf-module/Manifest
+++ b/app-admin/opensnitch-ebpf-module/Manifest
@@ -1 +1,2 @@
 DIST opensnitch-1.6.5.1.gh.tar.gz 1354814 BLAKE2B a3e0ce0b799a59d8d5e5cf9adc16d73b710d42b5325774118da3886a8c25507ef3a3e618796a56edd0cdde2ba8730604275a36d560e105d51744abef42fb833c SHA512 8ea1ad5a00c6b8c4649db5774e2fe7997ebdd52ed24610084ba236992c740b31b2bb19a88778b68d880aad54ff21a387d7388bdb4a8692a0456a4afbd7f47347
+DIST opensnitch-1.6.6.gh.tar.gz 1359621 BLAKE2B b6b2fa5b13f39413deb622fc7b0ebaab1789f41f25522da2e0a86262754861e9407697362b4af3a5106f9b4f781c7f5727a089a8ae2d648aafa8994f1c4b9bf4 SHA512 2fcdcc3a6ae44b5d5ed1a436f6622e74d5834e01856c9a072bb759638192f8ba9f49cbb48bfd875978d87284a20d1206352690a0e6e5f584e247506c8829d99f
diff --git a/app-admin/opensnitch-ebpf-module/opensnitch-ebpf-module-1.6.6.ebuild b/app-admin/opensnitch-ebpf-module/opensnitch-ebpf-module-1.6.6.ebuild
new file mode 100644
index 000000000..bda801b41
--- /dev/null
+++ b/app-admin/opensnitch-ebpf-module/opensnitch-ebpf-module-1.6.6.ebuild
@@ -0,0 +1,74 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit linux-info
+
+DESCRIPTION="eBPF process monitor module for opensnitch"
+HOMEPAGE="https://github.com/evilsocket/opensnitch"
+# NOTE: app-admin/opensnitch and this ebuild share the same source
+SRC_URI="
+	https://github.com/evilsocket/opensnitch/archive/refs/tags/v${PV}.tar.gz -> opensnitch-${PV}.gh.tar.gz
+"
+
+S="${WORKDIR}/opensnitch-${PV}"
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="dist-kernel"
+
+EBPF_DIR=ebpf_prog
+MINKV=5.5 # only compatible with kernels >= 5.5
+
+RDEPEND="
+	dist-kernel? ( virtual/dist-kernel:= )
+	~app-admin/opensnitch-$PV
+"
+
+DEPEND="
+	virtual/linux-sources
+	>=sys-kernel/linux-headers-${MINKV}
+"
+
+BDEPEND="
+	sys-devel/bc
+	sys-devel/clang
+	sys-devel/llvm
+"
+
+RESTRICT="strip test"
+QA_PREBUILT="*"
+
+pkg_setup() {
+	# see https://github.com/evilsocket/opensnitch/discussions/978
+	local CONFIG_CHECK="
+		CGROUP_BPF
+		BPF_EVENTS
+		FTRACE_SYSCALLS
+		KPROBES_ON_FTRACE
+		KPROBE_EVENTS
+		UPROBE_EVENTS
+	"
+
+	linux-info_pkg_setup
+	kernel_is -ge ${MINKV//./ } || die "Kernel version at least ${MINKV} required"
+}
+
+src_compile() {
+	MODULES_MAKEARGS+=(
+		ARCH="x86"
+		EXTRA_FLAGS="-fno-stack-protector -fcf-protection"
+		KERNEL_DIR="${KV_DIR}"
+		KERNEL_HEADERS=/usr # gentoo installs linux-headers to /usr
+	)
+	emake "${MODULES_MAKEARGS[@]}" -C "$EBPF_DIR" || die
+	llvm-strip -g "$EBPF_DIR"/opensnitch*.o
+}
+
+src_install(){
+	insinto /usr/lib/opensnitchd/ebpf/
+	doins "$EBPF_DIR"/opensnitch.o
+	doins "$EBPF_DIR"/opensnitch-dns.o
+	doins "$EBPF_DIR"/opensnitch-procs.o
+}