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# Copyright 1999-2006 Gentoo Foundation |
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# Distributed under the terms of the GNU General Public License v2 |
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# $Header: /var/cvsroot/gentoo-x86/net-misc/l7-filter/l7-filter-2.6.ebuild,v 1.4 2006/10/14 21:42:51 agriffis Exp $ |
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|
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inherit linux-info eutils |
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|
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MY_P=netfilter-layer7-v${PV/_/-} |
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DESCRIPTION="Kernel modules for layer 7 iptables filtering" |
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HOMEPAGE="http://l7-filter.sourceforge.net" |
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SRC_URI="mirror://sourceforge/l7-filter/${MY_P}.tar.gz |
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mirror://gentoo/additional_patch_for_2.6.13.diff" |
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|
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LICENSE="GPL-2" |
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KEYWORDS="~amd64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86" |
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IUSE="" |
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#break repoman |
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#SLOT="${KV}" |
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SLOT="0" |
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S=${WORKDIR}/${MY_P} |
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RDEPEND="net-misc/l7-protocols" |
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|
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|
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which_patch() { |
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if kernel_is ge 2 6 18 |
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then |
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PATCH=kernel-2.6.18-layer7-2.6.patch |
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elif kernel_is ge 2 6 17 |
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then |
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PATCH=for_older_kernels/kernel-2.6.17-layer7-2.5.patch |
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elif kernel_is ge 2 6 13 |
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then |
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PATCH=for_older_kernels/kernel-2.6.13-2.6.16-layer7-2.2.patch |
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elif kernel_is ge 2 6 11 |
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then |
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PATCH=for_older_kernels/kernel-2.6.11-2.6.12-layer7-1.4.patch |
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elif kernel_is ge 2 6 9 |
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then |
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PATCH=for_older_kernels/kernel-2.6.9-2.6.10-layer7-1.2.patch |
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elif kernel_is 2 4 |
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then |
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PATCH=kernel-2.4-layer7-2.2.patch |
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else |
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die "No L7-filter patch for Kernel version ${KV_FULL} - sorry not supported" |
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fi |
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} |
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|
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pkg_setup() { |
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linux-info_pkg_setup |
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pkg_preinstall |
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pkg_postinst |
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} |
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|
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src_unpack() { |
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|
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which_patch |
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|
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if [ -f ${KV_DIR}/include/linux/netfilter_ipv4/ipt_layer7.h ] |
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then |
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ewarn "already installed ${PN} for kernel ${KV_FULL}" |
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ewarn "If this is an upgrade attempt, try unmerging first." |
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ewarn "If this failes remove your kernel source from /usr/src" |
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ewarn "and remerge your kernel sources" |
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die |
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fi |
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|
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unpack ${MY_P}.tar.gz |
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|
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[ ! -f "${S}/${PATCH}" ] && \ |
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die "patch ${PATCH} not found. Please enter a bug at bugs.gentoo.org" |
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|
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|
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cd ${S} |
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|
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mkdir kernel |
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mkdir kernel/Documentation |
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|
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|
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# create needed directories |
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mkdir -p ${S}/kernel/net/ipv4/netfilter/regexp/ |
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mkdir -p ${S}/kernel/include/linux/netfilter_ipv4/ |
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|
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cd ${KV_DIR} |
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|
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# start to copy needed files, if file not exists create an empty file |
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FILES=$(patch -t --dry-run -p1 < ${S}/${PATCH} | grep "^patching file" | cut -f 3 -d ' ') |
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for F in ${FILES}; |
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do |
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if [ -f "${F}" ]; |
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then |
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cp -P "${F}" "${S}/kernel/${F}" |
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else |
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touch "${S}/kernel/${F}" |
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fi |
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done |
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|
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#patch the copied kernel source |
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cd ${S}/kernel |
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EPATCH_OPTS="-F 3" epatch "${S}/${PATCH}" |
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|
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# https://bugs.gentoo.org/show_bug.cgi?id=106009#c5 |
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if kernel_is eq 2 6 12 |
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then |
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epatch "${DISTDIR}"/additional_patch_for_2.6.13.diff |
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fi |
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} |
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|
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src_compile() { |
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einfo "no compiling - just patching source" |
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} |
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|
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src_install() { |
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insinto "$(/bin/readlink -f ${KV_DIR})" |
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doins -r kernel/* |
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dodoc CHANGELOG README |
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} |
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|
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pkg_preinstall() { |
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if has collision-protect ${FEATURES}; then |
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ewarn |
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ewarn "Collisions are expected as this patches kernel code. Disable" |
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ewarn "FEATURES=collision-protect before use" |
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die 'incompatible FEATURES=collision-protect' |
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fi |
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} |
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|
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pkg_postinst() { |
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ewarn "This may not work with all kernels. If it does not work please enter a bug at bugs.gentoo.org" |
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ewarn "This only patches the current kernel source code. (${KV_DIR})" |
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ewarn "Its up to you to recompile the kernel with the l7 options" |
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ewarn |
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ewarn 'You will also need to emerge iptables with the "extensions" or' |
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ewarn '"l7filter" USE flag (depend which version of iptables you emerge)' |
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} |
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|
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# |
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# Unpatching of patched files is required to avoid a broken kernel source tree |
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|
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pkg_prerm() { |
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# How to determine what version it was installed against? - measily |
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eval $(/bin/fgrep KV=2 ${ROOT}/var/db/pkg/net-misc/${PF}/environment |\ |
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/bin/head -1) |
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KV_DIR=/usr/src/linux-"${KV}" |
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if [ -d ${KV_DIR} ]; then |
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ewarn "${KV_DIR} nolonger exists" |
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return 0; |
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fi |
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echo "KV_DIR=$KV_DIR" |
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if [ -f ${KV_DIR}/include/linux/netfilter_ipv4/ipt_layer7.h ] |
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then |
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einfo 'attempting to unpatch l7-patch from kernel ${KV_FULL}' |
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which_patch |
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if kernel_is eq 2 6 12 |
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then |
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|
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patch -F 3 -d "${KV_DIR}" -R -p1 \ |
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< "${DISTDIR}"/additional_patch_for_2.6.13.diff |
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fi |
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cd "${T}" |
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unpack ${MY_P}.tar.gz |
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EPATCH_SINGLE_MSG="removing previous patch" \ |
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EPATCH_OPTS="-F 3 -d "${KV_DIR}" -R" epatch "${T}/${MY_P}/${PATCH}" |
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fi |
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} |
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