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From 41b6695cf9205f9a0c756004694d1e96941edb51 Mon Sep 17 00:00:00 2001
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From: Phil Sutter <phil@nwl.cc>
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Date: Tue, 10 Sep 2019 14:02:30 +0200
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Subject: [PATCH] nfct: helper: Fix NFCTH_ATTR_PROTO_L4NUM size
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Kernel defines NFCTH_TUPLE_L4PROTONUM as of type NLA_U8. When adding a
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helper, NFCTH_ATTR_PROTO_L4NUM attribute is correctly set using
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nfct_helper_attr_set_u8(), though when deleting
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nfct_helper_attr_set_u32() was incorrectly used. Due to alignment, this
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causes trouble only on Big Endian.
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Fixes: 5e8f64f46cb1d ("conntrackd: add cthelper infrastructure (+ example FTP helper)")
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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(cherry picked from commit 7c5f4b390f4b8dc02aceb0a18ed7c59ff14f392c)
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Signed-off-by: Phil Sutter <psutter@redhat.com>
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---
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src/nfct-extensions/helper.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/nfct-extensions/helper.c b/src/nfct-extensions/helper.c
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index 0569827612f06..e5d8d0a905df0 100644
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--- a/src/nfct-extensions/helper.c
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+++ b/src/nfct-extensions/helper.c
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@@ -284,7 +284,7 @@ nfct_cmd_helper_delete(struct mnl_socket *nl, int argc, char *argv[])
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nfct_perror("unsupported layer 4 protocol");
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return -1;
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}
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- nfct_helper_attr_set_u32(t, NFCTH_ATTR_PROTO_L4NUM, l4proto);
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+ nfct_helper_attr_set_u8(t, NFCTH_ATTR_PROTO_L4NUM, l4proto);
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}
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seq = time(NULL);
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--
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2.24.0
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