diff options
Diffstat (limited to 'set-authorized-keys')
-rwxr-xr-x | set-authorized-keys | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/set-authorized-keys b/set-authorized-keys new file mode 100755 index 0000000..2151bc9 --- /dev/null +++ b/set-authorized-keys @@ -0,0 +1,31 @@ +#!/bin/bash + +set -eu -o pipefail + +die() { + echo "ERROR: $*" 1>&2 + exit 1 +} + +cleanup() { + umount "$drive" || true + rmdir "$mnt" +} + +trap cleanup EXIT + +drive="$1" +pubkey="$2" + +[ -e "$drive" ] || die "$drive does not exist" +[ -e "$pubkey" ] || die "$pubkey does not exist" + +mnt="$(mktemp -d)" +mount "$drive" "$mnt" +if [ ! -e "$mnt/root/.ssh" ]; then + install -d "$mnt/root/.ssh" +fi + +authz="$mnt/root/.ssh/authorized_keys" +[ ! -e "$authz" ] || die "$authz already exists" +install -m 0600 "$pubkey" "$authz" |