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Add systemd service file
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‎Dockerfile‎

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FROM alpine:3.14 AS builder
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RUN apk add --no-cache musl-dev gcc cmake make
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RUN apk add --no-cache musl-dev gcc cmake make libcap
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COPY . /usr/local/src/mdns-reflector
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WORKDIR /usr/local/src/mdns-reflector
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&& make VERBOSE=1 \
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&& make install DESTDIR=install
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RUN setcap cap_net_raw+ep build/install/usr/local/bin/mdns-reflector
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FROM alpine:3.14
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COPY --from=builder /usr/local/src/mdns-reflector/build/install/ /
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CMD ["/usr/local/bin/mdns-reflector", "-h"]

‎README.md‎

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`mdns-reflector` is easy to use. Just run the following command on a multi-homed host:
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```sh
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mdns-reflector -f eth0 eth1
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mdns-reflector -fn eth0 eth1
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```
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where `eth0` and `eth1` are the interfaces that you want to reflect mDNS for.
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Similarly, run with Docker in the foreground:
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```sh
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docker run --net=host yuxzhu/mdns-reflector:latest -f eth0 eth1
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docker run --net=host yuxzhu/mdns-reflector:latest -fn eth0 eth1
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```
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Or run with Docker as a daemon:
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```sh
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docker run -d --restart=always --net=host yuxzhu/mdns-reflector:latest -f eth0 eth1
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docker run -d --restart=always --net=host yuxzhu/mdns-reflector:latest -fn eth0 eth1
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```
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## License

‎debian/copyright‎

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Files: *
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Copyright: 2021 Yuxiang Zhu <me@yux.im>
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License: GPL-3+
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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.
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On Debian systems, the full text of the GNU General Public
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License version 3 can be found in the file
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'/usr/share/common-licenses/GPL-3'.

‎debian/docs‎

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README.md

‎debian/install‎

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misc/mdns-reflector etc/default
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misc/mdns-reflector.service lib/systemd/system

‎debian/postinst‎

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#!/bin/sh
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set -e
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setcap cap_net_raw+ep /usr/bin/mdns-reflector

‎mdns-reflector.spec‎

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URL: https://github.com/vfreex/mdns-reflector
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Source0: %{name}-%{version}.tar.gz
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BuildRequires: systemd
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BuildRequires: gcc
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BuildRequires: make
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%if 0%{?rhel} == 7
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%endif
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Requires(post): systemd
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Requires(preun): systemd
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Requires(postun): systemd
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%description
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mDNS Reflector (mdns-reflector) is a lightweight and performant multicast DNS (mDNS) reflector with a modern design.
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It reflects mDNS queries and responses among multiple LANs, which allows you to run untrusted IoT devices
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%install
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%cmake_install
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install -d $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig
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install misc/mdns-reflector $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig/mdns-reflector
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install -d $RPM_BUILD_ROOT%{_unitdir}
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install -t $RPM_BUILD_ROOT%{_unitdir} misc/mdns-reflector.service
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%files
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%{_bindir}/mdns-reflector
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%caps(cap_net_raw+ep) %{_bindir}/mdns-reflector
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%config(noreplace) %{_sysconfdir}/sysconfig/mdns-reflector
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%{_unitdir}/mdns-reflector.service
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%{!?_licensedir:%global license %%doc}
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%license COPYING
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%doc README.md
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%post
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%systemd_post mdns-reflector.service
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%preun
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%systemd_preun mdns-reflector.service
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%postun
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%systemd_postun_with_restart mdns-reflector.service
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%changelog
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* Wed Aug 18 2021 Yuxiang Zhu <me@yux.im>

‎misc/mdns-reflector‎

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INTERFACES=
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LOGGING_LEVEL=info
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EXTRA_OPTIONS=
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DAEMON_ARGS=

‎misc/mdns-reflector.service‎

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[Unit]
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Description=Multicast DNS (mDNS) reflector
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Wants=network-online.target
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After=network-online.target
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[Service]
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Type=simple
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EnvironmentFile=-/etc/sysconfig/mdns-reflector
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EnvironmentFile=-/etc/default/mdns-reflector
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ExecStart=/usr/bin/mdns-reflector -fnl $LOGGING_LEVEL $DAEMON_ARGS $INTERFACES
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User=nobody
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Restart=on-failure
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[Install]
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WantedBy=multi-user.target

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