200 lines
3.6 KiB
Bash
Executable File
200 lines
3.6 KiB
Bash
Executable File
#!/bin/sh
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# https://github.com/mkropat/sh-realpath
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realpath() {
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canonicalize_path "$(resolve_symlinks "$1")"
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}
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resolve_symlinks() {
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_resolve_symlinks "$1"
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}
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_resolve_symlinks() {
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_assert_no_path_cycles "$@" || return
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local dir_context path
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path=$(readlink -- "$1")
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if [ $? -eq 0 ]; then
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dir_context=$(dirname -- "$1")
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_resolve_symlinks "$(_prepend_dir_context_if_necessary "$dir_context" "$path")" "$@"
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else
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printf '%s\n' "$1"
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fi
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}
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_prepend_dir_context_if_necessary() {
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if [ "$1" = . ]; then
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printf '%s\n' "$2"
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else
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_prepend_path_if_relative "$1" "$2"
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fi
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}
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_prepend_path_if_relative() {
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case "$2" in
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/* ) printf '%s\n' "$2" ;;
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* ) printf '%s\n' "$1/$2" ;;
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esac
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}
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_assert_no_path_cycles() {
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local target path
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target=$1
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shift
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for path in "$@"; do
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if [ "$path" = "$target" ]; then
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return 1
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fi
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done
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}
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canonicalize_path() {
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if [ -d "$1" ]; then
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_canonicalize_dir_path "$1"
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else
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_canonicalize_file_path "$1"
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fi
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}
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_canonicalize_dir_path() {
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(cd "$1" 2>/dev/null && pwd -P)
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}
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_canonicalize_file_path() {
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local dir file
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dir=$(dirname -- "$1")
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file=$(basename -- "$1")
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(cd "$dir" 2>/dev/null && printf '%s/%s\n' "$(pwd -P)" "$file")
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}
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CONTAINER_IMAGE="serverwentdown/env"
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CONTAINER_IMAGE_PWN="serverwentdown/pwn"
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CONTAINER_HOME="/home/ambrose"
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OPTIND=1
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workdir=""
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delete=""
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name=""
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ports="\n\t"
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volumes=""
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image="$CONTAINER_IMAGE"
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show_help() {
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cat << EOF
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Usage: ${0##*/} [-xwt] [-n NAME] [-p PORT]... [-v LIST]... [CMD]...
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${0##*/} -l
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${0##*/} -a NAME
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${0##*/} -e NAME [CMD]...
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${0##*/} -h
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Starts an env Docker container. If CMD is specified, starts CMD
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instead of a shell.
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-x delete Docker container after exit. will loose data
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-w forward \$PWD into $CONTAINER_HOME/src, and start there
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-n NAME give container a NAME
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-p PORT forward host PORT to container PORT
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-h use host networking instead
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-v LIST mount volume LIST. specify as LOCAL:MOUNT
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-t run pwntools instead
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-l list running containers and exit
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-a NAME attach to a running container
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-e NAME execute zsh or CMD on a running container
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-h display this help and exit
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EOF
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}
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list_running() {
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docker ps \
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--filter \
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label=org.label-schema.vcs-url=https://git.makerforce.io/ambrose/env.git \
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--format \
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"table {{.Names}}\t{{.RunningFor}}\t{{.Ports}}\t{{.Command}}"
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}
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while getopts "xwn:p:v:tla:e:h" opt; do
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case "$opt" in
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x)
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delete="--rm "
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;;
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w)
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workdir="\n\t--workdir $CONTAINER_HOME/src "
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volumes="$volumes\n\t-v '$(realpath $PWD)':$CONTAINER_HOME/src "
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;;
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n)
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name="--name $OPTARG "
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;;
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p)
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ports="$ports-p $OPTARG:$OPTARG "
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;;
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h)
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host="--net host "
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;;
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v)
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volumes="$volumes\n\t-v '$OPTARG' "
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;;
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t)
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image="$CONTAINER_IMAGE_PWN"
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;;
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l)
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list_running
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exit 0
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;;
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a)
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mode_attach="true"
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name="$OPTARG"
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;;
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e)
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mode_execute="true"
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name="$OPTARG"
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;;
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h)
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show_help
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exit 0
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;;
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:)
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echo "Option -$OPTARG requires an argument." >&2
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show_help
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exit 1
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;;
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\?)
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echo "Invalid option: -$OPTARG" >&2
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show_help
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exit 1
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;;
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esac
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done
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shift $((OPTIND-1))
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[ "$1" = "--" ] && shift
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if [ "$ports" = "\n\t" ]; then
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ports=""
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fi
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if [ "$mode_attach" = "true" ]; then
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docker attach \
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$name
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exit 0
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fi
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if [ "$mode_execute" = "true" ]; then
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cmd="$@"
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if [ -z "$@" ]; then
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cmd="/bin/zsh"
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fi
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docker exec -it \
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$name \
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$cmd
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exit 0
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fi
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docker pull $image
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cmd="\n\
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docker run -it $delete$name$ports$host$workdir$volumes\n\
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$image \n\
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$@\
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"
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echo
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echo "Running: $cmd"
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bash -c "`echo $cmd | tr -d '\n'`" # Ugh...
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