64 lines
1.3 KiB
Bash
Executable file
64 lines
1.3 KiB
Bash
Executable file
#!/bin/sh
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usage() {
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echo "usage: $0 [-w] [-h]"
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echo " -w use OpenSSH for Windows instead of WSL ssh-agent"
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echo " -h show help and exit"
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}
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error() {
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printf "ERROR: %s\n" "$1" >&2
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exit 1
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}
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require() {
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command -v "$@" >/dev/null 2>&1 || error "'$1' not found"
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}
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start_wsl_agent() {
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if [ "$#" -gt 0 ]; then
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SHLVL=0 exec ssh-agent "$SHELL" -c "$@"
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else
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SHLVL=0 exec ssh-agent "$SHELL"
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fi
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}
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start_windows_agent() {
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require socat
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require npiperelay
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# Forward SSH Agent requests from withitn WSL to OpenSSH for Windows, based on:
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# https://stuartleeks.com/posts/wsl-ssh-key-forward-to-windows/
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export SSH_AUTH_SOCK="$HOME/.ssh/agent.sock"
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[ -S "$SSH_AUTH_SOCK" ] && rm "$SSH_AUTH_SOCK"
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socat \
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UNIX-LISTEN:$SSH_AUTH_SOCK,fork \
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EXEC:"npiperelay -ei -s //./pipe/openssh-ssh-agent",nofork \
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&
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if [ "$#" -gt 0 ]; then
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SHLVL=0 exec "$SHELL" -c "$@"
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else
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SHLVL=0 exec "$SHELL"
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fi
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}
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main() {
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WSL_SSH_AGENT=yes
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while getopts ":wh" arg; do
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case "$arg" in
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w) WSL_SSH_AGENT=no;;
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h) usage; exit 0;;
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?) usage >&2; error "unknown option -$OPTARG";;
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esac
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shift
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done
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if [ "$WSL_SSH_AGENT" = "yes" ]; then
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start_wsl_agent "$@"
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else
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start_windows_agent "$@"
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fi
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}
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main "$@"
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