net-misc/l7-filter/l7-filter-2.1_p1.ebuild

# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-misc/l7-filter/l7-filter-2.1_p1.ebuild,v 1.2 2006/06/04 13:01:26 dragonheart Exp $

inherit linux-info eutils

MY_P=netfilter-layer7-v${PV/_/-}
DESCRIPTION="Kernel modules for layer 7 iptables filtering"
HOMEPAGE="http://l7-filter.sourceforge.net"
#SRC_URI="mirror://sourceforge/l7-filter/${MY_P}.tar.gz
SRC_URI="mirror://gentoo/l7-filter/${MY_P}.tar.gz
        mirror://gentoo/additional_patch_for_2.6.13.diff"

LICENSE="GPL-2"
KEYWORDS="~amd64 ~ppc ~sparc ~x86"
IUSE=""
#break repoman
#SLOT="${KV}"
SLOT="0"
S=${WORKDIR}/${MY_P}
RDEPEND="net-misc/l7-protocols"


which_patch() {
        if kernel_is ge 2 6 13
        then
                PATCH=kernel-2.6.13-2.6.15-layer7-2.1.patch
        elif kernel_is ge 2 6 11
        then
                PATCH=for_older_kernels/kernel-2.6.11-2.6.12-layer7-1.4.patch
        elif kernel_is ge 2 6 9
        then
                PATCH=for_older_kernels/kernel-2.6.9-2.6.10-layer7-1.2.patch
        elif kernel_is 2 4
        then
                PATCH=kernel-2.4-layer7-2.1.patch
        else
                die "No L7-filter patch for Kernel version ${KV_FULL} - sorry not supported"
        fi
}

pkg_setup() {
        pkg_postinst
}

src_unpack() {

        which_patch

        if [ -f ${KV_DIR}/include/linux/netfilter_ipv4/ipt_layer7.h ]
        then
                ewarn "already installed ${PN} for kernel ${KV_FULL}"
                ewarn "If this is an upgrade attempt, try unmerging first."
                ewarn "If this failes remove your kernel source from /usr/src"
                ewarn "and remerge your kernel sources"
                die
        fi

        unpack ${MY_P}.tar.gz

        [ ! -f "${S}/${PATCH}" ] && \
                die "patch ${PATCH} not found. Please enter a bug at bugs.gentoo.org"


        cd ${S}

        mkdir  kernel
        mkdir  kernel/Documentation


        # create needed directories
        mkdir -p ${S}/kernel/net/ipv4/netfilter/regexp/
        mkdir -p ${S}/kernel/include/linux/netfilter_ipv4/

        cd ${KV_DIR}

        # start to copy needed files, if file not exists create an empty file
        FILES=$(patch -t --dry-run -p1 < ${S}/${PATCH} | grep "^patching file" | cut -f 3 -d ' ')
        for F in ${FILES};
        do
                if [ -f ${F} ];
                then
                        cp -P ${F} ${S}/kernel/${F}
                else
                        touch ${S}/kernel/${F}
                fi
        done

        #patch the copied kernel source
        cd ${S}/kernel
        EPATCH_OPTS="-F 3" epatch "${S}/${PATCH}"

        # https://bugs.gentoo.org/show_bug.cgi?id=106009#c5
        if kernel_is eq 2 6 12
        then
                epatch ${DISTDIR}/additional_patch_for_2.6.13.diff
        fi
}

src_compile() {
        einfo "no compiling - just patching source"
}

src_install() {
        insinto "${KV_DIR}"
        doins -r kernel/*
        dodoc CHANGELOG README
}


pkg_postinst() {
        ewarn "This may not work with all kernels. If it does not work please enter a bug at bugs.gentoo.org"
        ewarn "This only patches the current kernel source code. (${KV_DIR})"
        ewarn "Its up to you to recompile the kernel with the l7 options"
        ewarn
        ewarn 'You will also need to emerge iptables with the "extensions" USE flag'
}

pkg_prerm() {
        if [ -f ${ROOT}/usr/src/linux/include/linux/netfilter_ipv4/ipt_layer7.h ]
        then
                einfo 'attempting to unpatch l7-patch from kernel ${KV_FULL}'
                which_patch
                if kernel_is eq 2 6 12
                then
                                patch -F 3 -d ${ROOT}/usr/src/linux -R -p1 \
                                        <       ${DISTDIR}/additional_patch_for_2.6.13.diff
                fi
                cd ${T}
                unpack ${MY_P}.tar.gz
                EPATCH_SINGLE_MSG="removing previous patch" \
                        EPATCH_OPTS="-F 3 -d ${ROOT}/usr/src/linux -R" epatch "${T}/${MY_P}/${PATCH}"
        fi
}
1	# Copyright 1999-2006 Gentoo Foundation
2	# Distributed under the terms of the GNU General Public License v2
3	# $Header: /var/cvsroot/gentoo-x86/net-misc/l7-filter/l7-filter-2.1_p1.ebuild,v 1.2 2006/06/04 13:01:26 dragonheart Exp $
4
5	inherit linux-info eutils
6
7	MY_P=netfilter-layer7-v${PV/_/-}
8	DESCRIPTION="Kernel modules for layer 7 iptables filtering"
9	HOMEPAGE="http://l7-filter.sourceforge.net"
10	#SRC_URI="mirror://sourceforge/l7-filter/${MY_P}.tar.gz
11	SRC_URI="mirror://gentoo/l7-filter/${MY_P}.tar.gz
12	mirror://gentoo/additional_patch_for_2.6.13.diff"
13
14	LICENSE="GPL-2"
15	KEYWORDS="~amd64 ~ppc ~sparc ~x86"
16	IUSE=""
17	#break repoman
18	#SLOT="${KV}"
19	SLOT="0"
20	S=${WORKDIR}/${MY_P}
21	RDEPEND="net-misc/l7-protocols"
22
23
24	which_patch() {
25	if kernel_is ge 2 6 13
26	then
27	PATCH=kernel-2.6.13-2.6.15-layer7-2.1.patch
28	elif kernel_is ge 2 6 11
29	then
30	PATCH=for_older_kernels/kernel-2.6.11-2.6.12-layer7-1.4.patch
31	elif kernel_is ge 2 6 9
32	then
33	PATCH=for_older_kernels/kernel-2.6.9-2.6.10-layer7-1.2.patch
34	elif kernel_is 2 4
35	then
36	PATCH=kernel-2.4-layer7-2.1.patch
37	else
38	die "No L7-filter patch for Kernel version ${KV_FULL} - sorry not supported"
39	fi
40	}
41
42	pkg_setup() {
43	pkg_postinst
44	}
45
46	src_unpack() {
47
48	which_patch
49
50	if [ -f ${KV_DIR}/include/linux/netfilter_ipv4/ipt_layer7.h ]
51	then
52	ewarn "already installed ${PN} for kernel ${KV_FULL}"
53	ewarn "If this is an upgrade attempt, try unmerging first."
54	ewarn "If this failes remove your kernel source from /usr/src"
55	ewarn "and remerge your kernel sources"
56	die
57	fi
58
59	unpack ${MY_P}.tar.gz
60
61	[ ! -f "${S}/${PATCH}" ] && \
62	die "patch ${PATCH} not found. Please enter a bug at bugs.gentoo.org"
63
64
65	cd ${S}
66
67	mkdir kernel
68	mkdir kernel/Documentation
69
70
71	# create needed directories
72	mkdir -p ${S}/kernel/net/ipv4/netfilter/regexp/
73	mkdir -p ${S}/kernel/include/linux/netfilter_ipv4/
74
75	cd ${KV_DIR}
76
77	# start to copy needed files, if file not exists create an empty file
78	FILES=$(patch -t --dry-run -p1 < ${S}/${PATCH} \| grep "^patching file" \| cut -f 3 -d ' ')
79	for F in ${FILES};
80	do
81	if [ -f ${F} ];
82	then
83	cp -P ${F} ${S}/kernel/${F}
84	else
85	touch ${S}/kernel/${F}
86	fi
87	done
88
89	#patch the copied kernel source
90	cd ${S}/kernel
91	EPATCH_OPTS="-F 3" epatch "${S}/${PATCH}"
92
93	# https://bugs.gentoo.org/show_bug.cgi?id=106009#c5
94	if kernel_is eq 2 6 12
95	then
96	epatch ${DISTDIR}/additional_patch_for_2.6.13.diff
97	fi
98	}
99
100	src_compile() {
101	einfo "no compiling - just patching source"
102	}
103
104	src_install() {
105	insinto "${KV_DIR}"
106	doins -r kernel/*
107	dodoc CHANGELOG README
108	}
109
110
111	pkg_postinst() {
112	ewarn "This may not work with all kernels. If it does not work please enter a bug at bugs.gentoo.org"
113	ewarn "This only patches the current kernel source code. (${KV_DIR})"
114	ewarn "Its up to you to recompile the kernel with the l7 options"
115	ewarn
116	ewarn 'You will also need to emerge iptables with the "extensions" USE flag'
117	}
118
119	pkg_prerm() {
120	if [ -f ${ROOT}/usr/src/linux/include/linux/netfilter_ipv4/ipt_layer7.h ]
121	then
122	einfo 'attempting to unpatch l7-patch from kernel ${KV_FULL}'
123	which_patch
124	if kernel_is eq 2 6 12
125	then
126	patch -F 3 -d ${ROOT}/usr/src/linux -R -p1 \
127	< ${DISTDIR}/additional_patch_for_2.6.13.diff
128	fi
129	cd ${T}
130	unpack ${MY_P}.tar.gz
131	EPATCH_SINGLE_MSG="removing previous patch" \
132	EPATCH_OPTS="-F 3 -d ${ROOT}/usr/src/linux -R" epatch "${T}/${MY_P}/${PATCH}"
133	fi
134	}