WIP: IP, pubkey, system time, system uptime, ca fingerprint (#2091)

* closes #923, #2063, #2012, #1153

* add ca fingerprint

* add `server.time`

* add `ip-info` to `server-info`

* add ssh pubkey

* support multiple IPs

* rename key

* add `ca-fingerprint` and `system-start-time`

* fix off-by-one

* update compat cargo lock

Co-authored-by: Aiden McClelland <me@drbonez.dev>

build/lib/scripts/dhclient-exit-hook

@@ -0,0 +1 @@
+embassy-cli net dhcp update $interface

build/lib/scripts/postinst

@@ -102,6 +102,10 @@ update-locale  LANGUAGE
 rm "/etc/locale.gen"
 dpkg-reconfigure --frontend noninteractive locales
 
+groupadd embassy
+
+ln -s /usr/lib/embassy/scripts/dhclient-exit-hook /etc/dhcp/dhclient-exit-hooks.d/embassy
+
 rm -f /etc/motd
 ln -sf /usr/lib/embassy/motd /etc/update-motd.d/00-embassy
 chmod -x /etc/update-motd.d/*

build/raspberry-pi/initialization.sh

@@ -4,7 +4,7 @@ set -e
 # introduce start9 username and embassy as default password
 if ! awk -F: '{ print $1 }' /etc/passwd | grep start9
 then
-	usermod -l start9 -d /home/start9 -m pi
+	usermod -l start9 -d /home/start9 -aG embassy -m pi
 	groupmod --new-name start9 pi
 	echo start9:embassy | chpasswd
 fi