scripts copied from penme.git

4 files changed, 57 insertions, 0 deletions

diff --git a/dot/local/bin/penme b/dot/local/bin/penme
new file mode 100755
index 0000000..1a46e6c
--- /dev/null
+++ b/dot/local/bin/penme
@@ -0,0 +1,44 @@
+#!/bin/sh
+set -e
+if [ "$(id -u)" -ne 0 ]
+then
+        exec sudo -- "$0" "$@"
+fi
+
+vprintf() { [ ! "$VERBOSE" ] || printf "$@" >&2; }
+
+write()
+{
+        printf '%s\n' "$line" >> /root/.ssh/authorized_keys
+        vprintf 'New root authorization: %s\n' "$line"
+        [ "$VERBOSE" ] || printf '%s\n' "$line" >&2
+}
+
+scan_network()
+{
+        arp-scan --localnet |
+        while read ip junk
+        do
+                case "$ip" in
+                        *.*.*.*) ;;
+                        *) continue ;;
+                esac
+                vprintf 'ARP scan found IP: %s\n' "$ip"
+                ( grep -q " penme host key @ $ip\$" /root/.ssh/authorized_keys ) || echo $ip
+        done
+}
+
+mkdir -p /root/.ssh
+[ -e /root/.ssh/authorized_keys ] || touch /root/.ssh/authorized_keys
+
+which arp-scan >/dev/null &&
+which ssh-keyscan >/dev/null ||
+apt install --no-upgrade arp-scan openssh-client || true
+
+ssh-keyscan - $(scan_network) 2>/dev/null |
+while read ip key
+do
+        line=$(printf '%s penme host key @ %s\n' "$key" "$ip")
+        grep -q -Fx "$line" /root/.ssh/authorized_keys && vprintf 'Already authorized: %s\n' "$line" ||
+        write "$line" /root/.ssh/authorized_keys
+done
diff --git a/dot/local/bin/penyou b/dot/local/bin/penyou
new file mode 100755
index 0000000..cc7fdda
--- /dev/null
+++ b/dot/local/bin/penyou
@@ -0,0 +1,4 @@
+#!/bin/sh
+sudo=$([ $(id -u) -eq 0 ] || echo sudo --)
+exec $sudo ssh -i /etc/ssh/ssh_host_ed25519_key -l root "$@"
+
diff --git a/dot/local/bin/sash b/dot/local/bin/sash
new file mode 120000
index 0000000..62f8dc8
--- /dev/null
+++ b/dot/local/bin/sash
@@ -0,0 +1 @@
+penyou
\ No newline at end of file
diff --git a/dot/local/bin/unpenme b/dot/local/bin/unpenme
new file mode 100755
index 0000000..2759dad
--- /dev/null
+++ b/dot/local/bin/unpenme
@@ -0,0 +1,8 @@
+#!/bin/sh
+if [ "$(id -u)" -ne 0 ]
+then
+        exec sudo -- "$0" "$@"
+fi
+sedprog='/ penme host key @ [0-9]+\.[0-9].[0-9]+\.[0-9]+/ d'
+FORREALS=-i~penme
+sed ${FORREALS} -E -e "$sedprog"  /root/.ssh/authorized_keys