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#!/bin/bash
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MSF_USER=msf
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MSF_GROUP=msf
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TMP=${MSF_UID:=1000}
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TMP=${MSF_GID:=1000}
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# if the user starts the container as root or another system user,
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# don't use a low privileged user as we mount the home directory
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if [ "$MSF_UID" -eq "0" ]; then
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  "$@"
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else
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  # if the users group already exists, create a random GID, otherwise
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  # reuse it
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  if ! getent group $MSF_GID > /dev/null; then
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    addgroup -g $MSF_GID $MSF_GROUP
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  else
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    addgroup $MSF_GROUP
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  fi
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  # check if user id already exists
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  if ! getent passwd $MSF_UID > /dev/null; then
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    adduser -u $MSF_UID -D $MSF_USER -g $MSF_USER -G $MSF_GROUP $MSF_USER
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    # add user to metasploit group so it can read the source
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    addgroup $MSF_USER $METASPLOIT_GROUP
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    su-exec $MSF_USER "$@"
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  # fall back to root exec if the user id already exists
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  else
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    "$@"
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  fi
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fi
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