68 lines
1.2 KiB
Bash
Executable file
68 lines
1.2 KiB
Bash
Executable file
#!/bin/bash
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# Alias si le terminal est kitty
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if [ "$TERM" = xterm-kitty ]; then
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ssh=(kitty +kitten ssh)
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else
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ssh=(ssh)
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fi
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# Variables
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declare -a args
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# Foncitons
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error() {
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>&2 printf '\033[1;31m%s\033[0m \033[1m%s\033[0m\n' ERROR: "$*"
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}
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help() {
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local name
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name="$(basename "$0")"
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cat << EOF
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${name}: utilisation:
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${name} SERVEUR PORT_LOCAL PORT_DISTANT [CIBLE] [-- ARGUMENTS_SSH...]
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EOF
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}
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error_help() {
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error "Invalid usage"
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>&2 help
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exit 1
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}
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requested_port_bridge_pid() {
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lsof -nP -i TCP -s TCP:LISTEN | awk '($1 == "ssh" && $9 ~ /.*:'"${1}"'/) { print $2 }' | uniq | head -n 1
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}
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# Analyser les arguments
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while [ -n "$1" ]; do
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case "$1" in
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--)
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shift
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break
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;;
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*)
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args+=("$1")
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shift
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;;
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esac
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done
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# Il doit y avoir au moins 3 arguments dans le tableau
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if [ "${#args[@]}" -lt 3 ]; then
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error_help
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fi
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pid="$(requested_port_bridge_pid "${args[1]}")"
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if [ -z "$pid" ]; then
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exec "${ssh[@]}" \
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-f \
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-N \
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-L "${args[1]}:${args[3]:-localhost}:${args[2]}" \
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"${args[0]}" \
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"$@"
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else
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echo "Suppression de la redirection..."
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kill "$pid"
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fi
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