2015-12-02 05:33:03 +01:00
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From cbf84a0bc377c6a368d30571f37ebfab27784697 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?J=C3=B6rg=20Krause?= <joerg.krause@embedded.rocks>
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Date: Wed, 2 Dec 2015 04:57:33 +0100
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2021-11-21 18:07:55 +01:00
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Subject: [PATCH] Fix musl build issue
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2015-12-02 05:33:03 +01:00
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Due to clashes in the namespace between the Linux Kernel headers and the
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netinet headers building arptables with the musl C library fails.
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Best advice from the musl developers is to not include both headers in a
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userspace tool (see the thread on the musl mailing list [1], especially [2]).
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Since arptables only requires a few definitions from the Linux Kernel headers
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we opt-out the clashing header files and define the needed definitions.
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[1] http://www.openwall.com/lists/musl/2012/10/09/1
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[2] http://www.openwall.com/lists/musl/2012/10/11/1
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Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
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---
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extensions/arpt_CLASSIFY.c | 7 +++++++
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include/linux/netfilter_arp.h | 11 +++++++++++
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2 files changed, 18 insertions(+)
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diff --git a/extensions/arpt_CLASSIFY.c b/extensions/arpt_CLASSIFY.c
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index cb5770b..c58129f 100644
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--- a/extensions/arpt_CLASSIFY.c
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+++ b/extensions/arpt_CLASSIFY.c
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@@ -21,7 +21,14 @@
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#include <stdio.h>
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#include <getopt.h>
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#include <arptables.h>
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+
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+#ifdef __KERNEL__
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#include <linux/netfilter/xt_CLASSIFY.h>
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+#else
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+struct xt_classify_target_info {
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+ uint32_t priority;
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+};
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+#endif
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#define TC_H_MAJ_MASK (0xFFFF0000U)
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#define TC_H_MIN_MASK (0x0000FFFFU)
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diff --git a/include/linux/netfilter_arp.h b/include/linux/netfilter_arp.h
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index 92bc6dd..2a63e82 100644
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--- a/include/linux/netfilter_arp.h
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+++ b/include/linux/netfilter_arp.h
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@@ -5,7 +5,18 @@
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* (C)2002 Rusty Russell IBM -- This code is GPL.
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*/
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+#ifdef __KERNEL__
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#include <linux/netfilter.h>
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+#else
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+/* Responses from hook functions. */
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+#define NF_DROP 0
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+#define NF_ACCEPT 1
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+#define NF_STOLEN 2
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+#define NF_QUEUE 3
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+#define NF_REPEAT 4
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+#define NF_STOP 5
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+#define NF_MAX_VERDICT NF_STOP
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+#endif
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/* There is no PF_ARP. */
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#define NF_ARP 0
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--
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2.6.2
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