Add Dockerfile

Dockerfile

@@ -0,0 +1,53 @@
+# tmate-slave, see https://tmate.io/
+#
+# Example usage:
+#
+#     docker run --privileged --rm -i -p 22:22 \
+#     -v /etc/tmate/keys:/daemon-keys \
+#     -v /etc/tmate/authorized_keys:/authorized-keys \
+#     varac/tmate-slave \
+#     /bin/sh -c "/sbin/tmate-slave -k /daemon-keys -a /authorized-keys -b 0.0.0.0 -p 22 -v -v -v -h SERVER_FQDN"
+
+FROM debian:jessie-slim
+
+# Locales
+RUN mkdir -p /usr/share/locale/locale.alias && ln -s /etc/locale.alias /usr/share/locale/locale.alias
+RUN apt-get update && apt-get install -y locales \
+    && localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
+ENV LANG en_US.utf8
+
+RUN apt-get install -y git build-essential automake cmake pkg-config libssl-dev zlib1g-dev libevent-dev libncurses5-dev \
+	&& rm -rf /var/lib/apt/lists/*
+
+RUN mkdir /src && cd /src/ &&\
+	git clone git://git.libssh.org/projects/libssh.git &&\
+	git clone https://github.com/msgpack/msgpack-c.git &&\
+	git clone https://github.com/digitalautonomy/tmate-slave.git
+
+RUN cd /src/libssh &&\
+	mkdir build && cd build && cmake .. && make install
+RUN cd /src/msgpack-c &&\
+	mkdir build && cd build && cmake .. && make install
+
+RUN cd /src/tmate-slave &&\
+	echo -e 'diff --git a/tmate-ssh-server.c b/tmate-ssh-server.c\n\
+index 73a7df85..c4b387db 100644\n\
+--- a/tmate-ssh-server.c\n\
++++ b/tmate-ssh-server.c\n\
+@@ -315,7 +315,7 @@ static ssh_bind prepare_ssh(const char *keys_dir, const char *bind_addr, int por\n\
+ {\n\
+ 	ssh_bind bind;\n\
+ 	char buffer[PATH_MAX];\n\
+-	int verbosity = SSH_LOG_NOLOG;\n\
++        int verbosity = SSH_LOG_NOLOG + log_get_level();\n\
+ \n\
+ 	ssh_set_log_callback(ssh_log_function);\n\
+ \n\
+' | git apply
+
+RUN cd /src/tmate-slave &&\
+	sh autogen.sh && PKG_CONFIG_PATH=/usr/local/lib/pkgconfig ./configure && make
+
+RUN cp /src/tmate-slave/tmate-slave /sbin/
+
+ENV LD_LIBRARY_PATH=/usr/local/lib