dotfiles

commit c597ba4fece7aed93480ade3a4b8e53acbf6aa2c
parent f9b5e90742ccde996cd4ff6e649d483b88b503a7
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Sun,  7 Jun 2020 17:50:24 +0200

Add own ssh-copy-id script

Diffstat:
A
.local/bin/ssh-copy-id
 | 
35
+++++++++++++++++++++++++++++++++++

1 file changed, 35 insertions(+), 0 deletions(-)
diff --git a/.local/bin/ssh-copy-id b/.local/bin/ssh-copy-id
@@ -0,0 +1,35 @@
+#!/bin/sh
+pubkeyfile="${HOME}/.ssh/id_rsa.pub"
+#authkeyfile="${HOME}/.ssh/authorized_keys"
+
+usage() {
+	printf 'usage: %s [USER@]HOST ..\n' "${0##*/}" >&2
+	printf 'copies ~/.ssh/id_rsa.pub to every HOST\n' >&2
+}
+
+die() {
+	printf 'error: %s\n' "$1" >&2
+	exit 1
+}
+
+copy_key() {
+	# seen in Solene Rapenne's drist
+	#ssh_params=-o"ControlMaster=auto"" "-o"ControlPath=/tmp/sshid_ssh_%h_%p_%r.sock"" "-o"ControlPersist=1m"
+	#ssh $ssh_params "${HOME}" "printf '%s\n' $(cat "$pubkeyfile") >> $authkeyfile"
+	if ! ssh "$1" "mkdir -p \$HOME/.ssh && echo $(cat "$pubkeyfile") >> \$HOME/.ssh/authorized_keys"; then
+		die "ssh key transfer failed"
+	fi
+}
+
+if [ $# -lt 1 ]; then
+	usage
+	exit 1
+fi
+
+if [ ! -e "$pubkeyfile" ]; then
+	die "could not read public key file $pubkeyfile"
+fi
+
+for h in "$@"; do
+	copy_key "$h"
+done