From e5e4e9232aacfdd6e71e6c57fb68a64d402d7b5a Mon Sep 17 00:00:00 2001 From: idanoo Date: Tue, 11 Oct 2022 22:25:55 +1300 Subject: [PATCH] Add SSH keys --- static/authorized_keys | 3 +++ static/setup.sh | 41 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) create mode 100644 static/authorized_keys create mode 100644 static/setup.sh diff --git a/static/authorized_keys b/static/authorized_keys new file mode 100644 index 0000000..c7a7c03 --- /dev/null +++ b/static/authorized_keys @@ -0,0 +1,3 @@ +ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBwm+4i0Ql1OYXfOpEUrFjC/XpiI5yxBBU3iH4QOKRpN daniel@m2.nz + +ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQCqGnqkZWJLfZmu9elk0qQPixaSaQ8XTw8qdIu/UTck5DfwFOIvteNXksmyH2kg7VqAv5uhLmIVldxooCMS6NPQzwLO13pDY2eOEmlZDz/c262bLBGOPXD73h9JcIityUpnyNsuDooe+DreiH9EmMTsENp3OCZ428dAEFMlxcBQdtd3ky3vOWV5ZCFbBRGbIPCWfC3JNweSH9ZXHf3Q9jhqUzHTltcBpFKGWb4aojTITarfkHrbM3iIi4R2GpSyp/qTMHEaywMlssqXHOJ31h8uFcHwi1tI+e+rgKxIskXgdshGNnjavNT6OfpCfuTZeUG11fi4zsaRi3gGVFYgtIYEdoL5SWLWByN9VnvydGWOcanJkQP9kAwhfSppF13Ae5p1PWJXLgz3bWVpQ27+991eGttRZTSPn//0++jJhwAgNxCGZojbIS3X7OhISKm5KJ/uIJOh7JEVVqhbaiUDZqcznpyMkf+2V5xpVzj+/TkoHPKVLHsvBWBZrw87Qx3TKKthyIkkDdWmtctycUWKywcTqq7lnqM6p/JpZ8PQGKJljVDz93UyfPQX4QBm0C88SM3EsiXZP31ImTqke453rVlgBu9GY9mcY0OxllJjEQPoGlI2sa7BS9o3J+c9Qt5SxHvrHNwubsbULtJW7J9VUit9pG8C8Gsh2UmUQYGf40N96Q== diff --git a/static/setup.sh b/static/setup.sh new file mode 100644 index 0000000..459736b --- /dev/null +++ b/static/setup.sh @@ -0,0 +1,41 @@ +#!/bin/bash + +# wget -q -O - "http://m2.nz/setup.sh" | bash +# curl "http://m2.nz/setup.sh" | bash + +# Clean up if needed +if [[ "$1" == "uninstall" ]]; then + sudo rm -fr /tmp/authorized_keys + sudo rm -fr /usr/local/bin/check_keys + sed -i 's/^AuthorizedKeysCommand/#&/' /etc/ssh/sshd_config + sed -i 's/^AuthorizedKeysCommandUser/#&/' /etc/ssh/sshd_config + exit; +fi + +# Write script +sudo cat << EOF > /usr/local/bin/check_keys +#!/bin/bash + +# Check if we have in tmp, if so use that then pull new ones, else just pull new ones +if test -f "/tmp/authorized_keys"; then + cat /tmp/authorized_keys + (wget -O /tmp/authorized_keys https://m2.nz/authorized_keys || curl -o /tmp/authorized_keys https://m2.nz/authorized_keys) & +else + wget -O /tmp/authorized_keys https://m2.nz/authorized_keys || curl -o /tmp/authorized_keys https://m2.nz/authorized_keys + cat /tmp/authorized_keys +fi + +EOF + +# Make executable +sudo chmod +x /usr/local/bin/check_keys + +# Trigger on initial run +/usr/local/bin/check_keys + +# Update SSHD to use it.. +sudo cat "AuthorizedKeysCommand /usr/local/bin/check_keys" >> /etc/ssh/sshd_config +sudo cat "AuthorizedKeysCommandUser nobody" >> /etc/ssh/sshd_config + +# Restart for good luck +sudo systemctl restart {sshd,ssh}