add ssh service and remove pwndbg

Dockerfile

@@ -1,4 +1,4 @@
-FROM phusion/baseimage:latest
+FROM ubuntu:18.04
 MAINTAINER skysider <[email protected]>
 
 RUN apt-get -y update && \
@@ -21,12 +21,11 @@ RUN apt-get -y update && \
 		libc6-dbg-armhf-cross \
 		libc6-arm64-cross \
 		libc6-dbg-arm64-cross \
-		python3-dev \
-		python3-pip \
-		cmake \
 		socat \
-		git \
-		file
+		file \
+		ssh \
+		python && \
+	rm -rf /var/lib/apt/list/*
 
 RUN mkdir /etc/qemu-binfmt && \
     ln -s /usr/mipsel-linux-gnu /etc/qemu-binfmt/mipsel && \
@@ -36,13 +35,10 @@ RUN mkdir /etc/qemu-binfmt && \
     ln -s /usr/arm-linux-gnueabi /etc/qemu-binfmt/arm && \
 	ln -s /usr/aarch64-linux-gnu /etc/qemu-binfmt/aarch64
 
-
-RUN git clone https://github.com/pwndbg/pwndbg && \
-    cd pwndbg && sed -i 's/sudo//g' setup.sh && \
-    ./setup.sh && rm -rf /var/lib/apt/list/*
+RUN useradd -m -s /bin/bash user && \
+	echo "user:user" | chpasswd && \
+	mkdir -p /var/run/sshd
 
 WORKDIR /work/
 
-COPY listen_program.sh /work/
-
-CMD ["/bin/bash"]
+CMD ["/usr/sbin/sshd", "-D"]

README.md

@@ -8,9 +8,7 @@ run docker:
 
 	docker run -it \
 		--rm \
-		--name ctf \
-		-v $(pwd):/work/ctf/ \
-		-p 1234:1234 -p 2333:2333 \
+		--name multiarch \
 		--cap-add=SYS_PTRACE \
 		skysider/multiarch-docker
 
@@ -20,9 +18,9 @@ debug mips program in docker:
 socat TCP-LISTEN:2333,reuseaddr,fork EXEC:"qemu-mips -g 1234 ./demo"
 qemu-mips -strace ./demo
 gdb-multiarch ./demo
-pwndbg>set arch mips
-pwndbg>set endian big
-pwndbg>target remote localhost:1234
+(gdb)set arch mips
+(gdb)set endian big
+(gdb)target remote localhost:1234
 ```
 
 If you need cross compile environment, please specify tag: `skysider/multiarch-docker:compile`