68 lines
1.3 KiB
Bash
68 lines
1.3 KiB
Bash
#!/bin/sh
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usage () {
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echo "usage: $0 [-w] [-h]"
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echo " -w use the WSL ssh-agent instead of OpenSSH for Windows"
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echo " -h show help and exit"
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}
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require() {
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if ! command -v "$@" >/dev/null 2>&1; then
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>&2 echo "ERROR: required command not found: $1"
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exit 1
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fi
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}
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start_with_wsl_agent() {
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if [ "$#" -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 "$SHELL"
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fi
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}
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start_with_windows_agent() {
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require socat
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require npiperelay
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# Forward SSH Agent requests from withitn WSL to OpenSSH for Windows, based on:
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# https://stuartleeks.com/posts/wsl-ssh-key-forward-to-windows/
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export SSH_AUTH_SOCK=$HOME/.ssh/agent.sock
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[ -S "$SSH_AUTH_SOCK" ] && rm "$SSH_AUTH_SOCK"
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socat UNIX-LISTEN:$SSH_AUTH_SOCK,fork EXEC:"npiperelay -ei -s //./pipe/openssh-ssh-agent",nofork &
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if [ "$#" -gt 0 ]; then
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SHLVL=0 exec "$SHELL" -c "$@"
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else
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SHLVL=0 exec "$SHELL"
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fi
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}
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# Use OpenSSH for Windows by default.
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WSL_SSH_AGENT=false
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while getopts ":wh" arg; do
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case "$arg" in
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w)
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WSL_SSH_AGENT=true
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;;
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h)
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usage
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exit 0
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;;
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?)
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>&2 echo "ERROR: unknown option -$OPTARG"
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>&2 usage
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exit 1
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;;
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esac
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shift
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done
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if [ "$WSL_SSH_AGENT" = true ]; then
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start_with_wsl_agent
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else
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start_with_windows_agent
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fi
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