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From 77ff3d215f2a28a9ffc9fe1943c7f2b12d5e4f69 Mon Sep 17 00:00:00 2001
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From: Phil Sutter <psutter@redhat.com>
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Date: Tue, 5 Jun 2018 14:49:54 +0200
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Subject: [PATCH 2/2] utils: Add a man page for nfnl_osf
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1487331
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Upstream Status: iptables commit af468b6e7f35d
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commit af468b6e7f35db09af10ae4ec65cc7803180a4b4
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Author: Phil Sutter <phil@nwl.cc>
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Date: Wed Sep 20 18:54:09 2017 +0200
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utils: Add a man page for nfnl_osf
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Signed-off-by: Phil Sutter <phil@nwl.cc>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Phil Sutter <psutter@redhat.com>
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---
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configure.ac | 3 +-
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utils/.gitignore | 1 +
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utils/Makefile.am | 4 +++
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utils/nfnl_osf.8.in | 67 +++++++++++++++++++++++++++++++++++++++++++++
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4 files changed, 74 insertions(+), 1 deletion(-)
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create mode 100644 utils/nfnl_osf.8.in
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diff --git a/configure.ac b/configure.ac
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index af710cf5481c0..9046633ce5a4d 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -173,7 +173,8 @@ AC_CONFIG_FILES([Makefile extensions/GNUmakefile include/Makefile
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libiptc/Makefile libiptc/libiptc.pc
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libiptc/libip4tc.pc libiptc/libip6tc.pc
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libxtables/Makefile utils/Makefile
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- include/xtables-version.h include/iptables/internal.h])
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+ include/xtables-version.h include/iptables/internal.h
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+ utils/nfnl_osf.8])
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AC_OUTPUT
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diff --git a/utils/.gitignore b/utils/.gitignore
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index 216d1e4a621ed..7c6afbf4e6a52 100644
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--- a/utils/.gitignore
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+++ b/utils/.gitignore
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@@ -1,2 +1,3 @@
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/nfnl_osf
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+/nfnl_osf.8
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/nfbpf_compile
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diff --git a/utils/Makefile.am b/utils/Makefile.am
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index c4192a9e73688..80029e303ff3b 100644
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--- a/utils/Makefile.am
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+++ b/utils/Makefile.am
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@@ -6,8 +6,10 @@ AM_CPPFLAGS = ${regular_CPPFLAGS} -I${top_builddir}/include \
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sbin_PROGRAMS =
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pkgdata_DATA =
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+man_MANS =
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if HAVE_LIBNFNETLINK
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+man_MANS += nfnl_osf.8
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sbin_PROGRAMS += nfnl_osf
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pkgdata_DATA += pf.os
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@@ -23,3 +25,5 @@ if ENABLE_SYNCONF
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sbin_PROGRAMS += nfsynproxy
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nfsynproxy_LDADD = -lpcap
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endif
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+
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+CLEANFILES = nfnl_osf.8
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diff --git a/utils/nfnl_osf.8.in b/utils/nfnl_osf.8.in
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new file mode 100644
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index 0000000000000..140b5c3f99a42
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--- /dev/null
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+++ b/utils/nfnl_osf.8.in
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@@ -0,0 +1,67 @@
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+.TH NFNL_OSF 8 "" "@PACKAGE_STRING@" "@PACKAGE_STRING@"
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+
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+.SH NAME
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+nfnl_osf \- OS fingerprint loader utility
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+.SH SYNOPSIS
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+
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+.ad l
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+.in +8
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+.ti -8
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+.B nfnl_osf
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+.BI -f " fingerprints"
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+[
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+.B -d
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+]
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+
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+.SH DESCRIPTION
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+The
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+.B nfnl_osf
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+utility allows to load a set of operating system signatures into the kernel for
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+later matching against using iptables'
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+.B osf
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+match.
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+
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+.SH OPTIONS
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+
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+.TP
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+.BI -f " fingerprints"
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+Read signatures from file
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+.IR fingerprints .
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+
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+.TP
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+.B -d
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+Instead of adding the signatures from
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+.I fingerprints
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+into the kernel, remove them.
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+
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+.SH EXIT STATUS
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+Exit status is 0 if command succeeded, otherwise a negative return code
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+indicates the type of error which happened:
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+
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+.TP
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+.B -1
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+Illegal arguments passed, fingerprints file not readable or failure in netlink
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+communication.
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+
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+.TP
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+.B -ENOENT
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+Fingerprints file not specified.
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+
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+.TP
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+.B -EINVAL
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+Netlink handle initialization failed or fingerprints file format invalid.
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+
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+.SH FILES
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+
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+An up to date set of operating system signatures can be downloaded from
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+http://www.openbsd.org/cgi-bin/cvsweb/src/etc/pf.os .
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+
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+.SH SEE ALSO
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+
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+The description of
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+.B osf
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+match in
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+.BR iptables-extensions (8)
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+contains further information about the topic as well as example
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+.B nfnl_osf
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+invocations.
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--
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2.17.0
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