Initial Commit

00-header

@@ -0,0 +1,29 @@
+#!/bin/sh
+#
+#    00-header - create the header of the MOTD
+#    Copyright (C) 2009-2010 Canonical Ltd.
+#
+#    Authors: Dustin Kirkland <kirkland@canonical.com>
+#
+#    This program is free software; you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation; either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License along
+#    with this program; if not, write to the Free Software Foundation, Inc.,
+#    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+[ -r /etc/lsb-release ] && . /etc/lsb-release
+
+if [ -z "$DISTRIB_DESCRIPTION" ] && [ -x /usr/bin/lsb_release ]; then
+	# Fall back to using the very slow lsb_release utility
+	DISTRIB_DESCRIPTION=$(lsb_release -s -d)
+fi
+figlet -f fire $(hostname)
+printf "Welcome to %s (%s %s %s)\n" "$DISTRIB_DESCRIPTION" "$(uname -o)" "$(uname -r)" "$(uname -m)"
+[ "$(date +%m/%d)" = "03/14" ] && figlet -f fire "Happy PI day!"

09-sysinfo

@@ -0,0 +1,34 @@
+#!/bin/bash
+#
+#    09-sysinfo - generate the system information
+#    Copyright (c) 2013 Nick Charlton
+#
+#    Authors: Nick Charlton <hello@nickcharlton.net>
+#
+#    This program is free software; you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation; either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License along
+#    with this program; if not, write to the Free Software Foundation, Inc.,
+#    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+date=`date`
+load=`cat /proc/loadavg | awk '{print $1}'`
+root_usage=`df -h / | awk '/\// {print $(NF-1)}'`
+memory_usage=`free -m | awk '/Mem/ { printf("%3.1f%%", $3/$2*100) }'`
+swap_usage=`free -m | awk '/Swap/ { printf("%3.1f%%", $3/$2*100) }'`
+users=`users | wc -w`
+
+echo "System information as of: $date"
+echo
+printf "System load:\t%s\tMemory usage:\t%s\n" $load $memory_usage
+printf "Usage on /:\t%s\tSwap usage:\t%s\n" $root_usage $swap_usage
+printf "Local users:\t%s\n" $users
+echo

10-help-text

@@ -0,0 +1,28 @@
+#!/bin/sh
+#
+#    10-help-text - print the help text associated with the distro
+#    Copyright (C) 2009-2010 Canonical Ltd.
+#
+#    Authors: Dustin Kirkland <kirkland@canonical.com>,
+#             Brian Murray <brian@canonical.com>
+#
+#    This program is free software; you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation; either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License along
+#    with this program; if not, write to the Free Software Foundation, Inc.,
+#    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+printf "\n"
+printf " * Documentation:  https://raspberrypi.com/documentation\n"
+#printf " * Management:     https://landscape.canonical.com\n"
+printf " * Support:        https://forums.raspberrypi.com\n"
+#spinner /etc/update-motd.d/50-motd-news --force --null
+printf " \n"

10-uname

@@ -0,0 +1,2 @@
+#!/bin/sh
+uname -snrvm

50-motd-news

@@ -0,0 +1,157 @@
+#!/bin/sh
+#
+#    50-motd-news - print the live news from the Ubuntu wire
+#    Copyright (C) 2016-2020 Canonical Ltd.
+#    Copyright (C) 2016-2017 Dustin Kirkland
+#
+#    Authors: Dustin Kirkland <kirkland@canonical.com>
+#             Steve Langasek <steve.langasek@canonical.com>
+#
+#    This program is free software; you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation; either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License along
+#    with this program; if not, write to the Free Software Foundation, Inc.,
+#    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+##############################################################################
+# This program could be rewritten in C or Golang for faster performance.
+# Or it could be rewritten in Python or another higher level language
+# for more modularity.
+# However, I've insisted on shell here for transparency!
+#                                                                     - Dustin
+##############################################################################
+
+# Source the local configuration
+[ -r /etc/default/motd-news ] && . /etc/default/motd-news
+
+# Exit immediately, unless we're enabled
+# This makes this script very easy to disable in /etc/default/motd-news configuration
+[ "$ENABLED" = "1" ] || exit 0
+
+# Ensure sane defaults
+[ -n "$URLS" ] || URLS="https://motd.ubuntu.com"
+[ -n "$WAIT" ] || WAIT=5
+[ -n "$CACHE" ] || CACHE="/var/cache/motd-news"
+[ "$1" = "--force" ] && FORCED=1
+
+# Ensure we print safely, maximum of the first 10 lines,
+# maximum of the first 80 chars per line, no control chars
+safe_print() {
+	cat "$1" | head -n 10 | tr -d '\000-\011\013\014\016-\037' | cut -c -80
+}
+
+
+# If we're not forcing an update, and we have a cached motd-news file,
+# then just print it and exit as quickly as possible, for login performance.
+# Note that systemd should keep this cache file up to date, asynchronously
+if [ "$FORCED" != "1" ]; then
+  	if [ -r $CACHE ]; then
+		echo " * News:"
+		safe_print $CACHE
+	elif [ "$(id -u)" -eq 0 ]; then
+                printf " * News:\n * No News\n"
+		: > $CACHE
+	fi
+	exit 0
+fi
+
+# If we've made it here, we've been given the --force argument,
+# probably from the systemd motd-news.service.  Let's update...
+
+# Abort early if wget is missing
+[ -x /usr/bin/wget ] || exit 0
+
+# Generate our temp files, clean up when done
+NEWS=$(mktemp) || exit 1
+ERR=$(mktemp) || exit 1
+CLOUD=$(mktemp) || exit 1
+trap "rm -f $NEWS $ERR $CLOUD" HUP INT QUIT ILL TRAP KILL BUS TERM
+
+# Construct a user agent, similar to Firefox/Chrome/Safari/IE to
+# ensure a proper, tailored, accurate message of the day
+
+# wget browser version, for debug purposes
+wget_ver="$(dpkg -l wget | awk '$1 == "ii" { print($3); exit(0); }')"
+
+# Distribution version, for messages releated to this Ubuntu release
+. /etc/lsb-release
+lsb=$(echo "$DISTRIB_DESCRIPTION" | sed -e "s/ /\//g")
+codename="$DISTRIB_CODENAME"
+
+# Kernel version and CPU type, for messages related to a particular revision or hardware
+platform="$(uname -o)/$(uname -r)/$(uname -m)"
+arch="$(uname -m)"
+cpu="$(grep -m1 "^model name" /proc/cpuinfo | sed -e "s/.*: //" -e "s:\s\+:/:g")"
+cloud_id="unknown"
+if [ -x /usr/bin/cloud-id ]; then
+    /usr/bin/cloud-id > "$CLOUD" 2>/dev/null
+    if [ "$?" -eq "0" ]; then
+        # sanitize it a bit, just in case
+        cloud_id=$(cut -c -40 "${CLOUD}" | tr -c -d '[:alnum:]')
+        if [ -z "${cloud_id}" ]; then
+            cloud_id="unknown"
+        fi
+    fi
+fi
+
+# Piece together the user agent
+USER_AGENT="wget/$wget_ver $lsb $platform $cpu cloud_id/$cloud_id"
+
+# Loop over any configured URLs
+for u in $URLS; do
+	# Ensure https:// protocol, for security reasons
+	case $u in
+		https://*)
+			true
+		;;
+		https://motd.ubuntu.com)
+			u="$u/$codename/$arch"
+		;;
+		call*)
+			cmd=$(echo $u|cut -c 6-)
+			response=$($cmd)
+			title=$(echo "$response"|grep -E " \* " --color=never)
+			url=$(echo "$response"|tail -1)
+			echo "$title\n\n$url" > "$CACHE"
+			continue
+		;;
+		*)
+			continue
+		;;
+	esac
+	# If we're forced, set the wait to much higher (1 minute)
+	[ "$FORCED" = "1" ] && WAIT=60
+	# Fetch and print the news motd
+	result=0
+	not_found_is_ok=0
+	wget --timeout "$WAIT" -U "$USER_AGENT" -O- --content-on-error "$u" >"$NEWS" 2>"$ERR" || result=$?
+	# from wget's manpage: 8   Server issued an error response.
+	if [ $result -eq 8 ]; then
+		if grep -q "ERROR 404" "$ERR"; then
+			# The server's 404 document is the generic, non cloud-specific, motd-news
+			# content present in the index.txt file
+			not_found_is_ok=1
+		fi
+	fi
+	if [ $result -eq 0 ] || [ $not_found_is_ok -eq 1 ]; then
+		echo
+		# At most, 10 lines of text, remove control characters, print at most 80 characters per line
+                echo " * News:"
+		safe_print "$NEWS"
+		# Try to update the cache
+		safe_print "$NEWS" 2>/dev/null >$CACHE || true
+	else
+                printf " * News:\n * No News"
+		echo " * No News" > "$CACHE"
+ 	fi
+done
+rm -f "$NEWS" "$ERR" "$CLOUD"
+exit 0

85-fwupd

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+if [ -f /run/motd.d/85-fwupd ]; then
+        cat /run/motd.d/85-fwupd
+fi

91-contract-ua-esm-status

@@ -0,0 +1,8 @@
+#!/bin/sh
+contract_status_stamp="/var/lib/ubuntu-advantage/messages/motd-contract-status"
+
+[ ! -r "$contract_status_stamp" ] || cat "$contract_status_stamp"
+
+auto_attach_stamp="/var/lib/ubuntu-advantage/messages/motd-auto-attach-status"
+
+[ ! -r "$auto_attach_stamp" ] || cat "$auto_attach_stamp"

91-release-upgrade

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# if the current release is under development there won't be a new one
+[ -r /etc/lsb-release ] && . /etc/lsb-release
+if [ -z "$DISTRIB_DESCRIPTION" ] && command -v lsb_release > /dev/null; then
+    DISTRIB_DESCRIPTION=$(lsb_release -s -d)
+fi
+
+if [ "$(echo "$DISTRIB_DESCRIPTION" | cut -d' ' -f4)" = "(development" ]; then
+    exit 0
+fi
+
+# if it is non-root user, skip
+if [ $(id -u) -ne 0 ]; then
+    exit 0
+fi
+
+if [ -x /usr/lib/ubuntu-release-upgrader/release-upgrade-motd ]; then
+    exec /usr/lib/ubuntu-release-upgrader/release-upgrade-motd
+fi

92-unattended-upgrades

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+if [ -x /usr/share/unattended-upgrades/update-motd-unattended-upgrades ]; then
+    exec /usr/share/unattended-upgrades/update-motd-unattended-upgrades
+fi

93-updates

@@ -0,0 +1,125 @@
+#!/usr/bin/python3
+#
+#   20-updates - create the system updates section of the MOTD
+#   Copyright (c) 2013 Nick Charlton
+#
+#   Authors: Nick Charlton <hello@nickcharlton.net>
+#   Based upon prior work by Dustin Kirkland and Michael Vogt.
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License along
+#   with this program; if not, write to the Free Software Foundation, Inc.,
+#   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import sys
+import subprocess
+import apt_pkg
+
+print("")
+print(" * Updates:")
+
+if subprocess.Popen(["is_tty"], stdout=subprocess.PIPE).communicate()[0].strip().decode()!="tty":
+    print("   Updates are not checked on non-tty sessions")
+    print("   so as to not slow down login times")
+    print("")
+    sys.exit(0)
+
+DISTRO = subprocess.Popen(["lsb_release", "-c", "-s"],
+                          stdout=subprocess.PIPE).communicate()[0].strip()
+
+class OpNullProgress(object):
+    '''apt progress handler which supresses any output.'''
+    def update(self):
+        pass
+    def done(self):
+        pass
+
+def is_security_upgrade(pkg):
+    '''
+    Checks to see if a package comes from a DISTRO-security source.
+    '''
+    security_package_sources = [("Ubuntu", "%s-security" % DISTRO),
+                               ("Debian", "%s-security" % DISTRO)]
+
+    for (file, index) in pkg.file_list:
+        for origin, archive in security_package_sources:
+            if (file.archive == archive and file.origin == origin):
+                return True
+    return False
+
+# init apt and config
+apt_pkg.init()
+
+# open the apt cache
+try:
+    cache = apt_pkg.Cache(OpNullProgress())
+except SystemError as e:
+    sys.stderr.write("Error: Opening the cache (%s)" % e)
+    sys.exit(-1)
+
+# setup a DepCache instance to interact with the repo
+depcache = apt_pkg.DepCache(cache)
+
+# take into account apt policies
+depcache.read_pinfile()
+
+# initialise it
+depcache.init()
+
+# give up if packages are broken
+if depcache.broken_count > 0:
+    sys.stderr.write("Error: Broken packages exist.")
+    sys.exit(-1)
+
+# mark possible packages
+try:
+    # run distro-upgrade
+    depcache.upgrade(True)
+    # reset if packages get marked as deleted -> we don't want to break anything
+    if depcache.del_count > 0:
+        depcache.init()
+
+    # then a standard upgrade
+    depcache.upgrade()
+except SystemError as e:
+    sys.stderr.write("Error: Couldn't mark the upgrade (%s)" % e)
+    sys.exit(-1)
+
+# run around the packages
+upgrades = 0
+security_upgrades = 0
+for pkg in cache.packages:
+    candidate = depcache.get_candidate_ver(pkg)
+    current = pkg.current_ver
+
+    # skip packages not marked as upgraded/installed
+    if not (depcache.marked_install(pkg) or depcache.marked_upgrade(pkg)):
+        continue
+
+    # increment the upgrade counter
+    upgrades += 1
+
+    # keep another count for security upgrades
+    if is_security_upgrade(candidate):
+        security_upgrades += 1
+
+    # double check for security upgrades masked by another package
+    for version in pkg.version_list:
+        if (current and apt_pkg.version_compare(version.ver_str, current.ver_str) <= 0):
+            continue
+        if is_security_upgrade(version):
+            security_upgrades += 1
+            break
+
+print("   %d updates to install." % upgrades)
+print("   %d are security updates." % security_upgrades)
+print("") # leave a trailing blank line

93-updates.bak

@@ -0,0 +1,116 @@
+#!/usr/bin/python3
+#
+#   20-updates - create the system updates section of the MOTD
+#   Copyright (c) 2013 Nick Charlton
+#
+#   Authors: Nick Charlton <hello@nickcharlton.net>
+#   Based upon prior work by Dustin Kirkland and Michael Vogt.
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License along
+#   with this program; if not, write to the Free Software Foundation, Inc.,
+#   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import sys
+import subprocess
+import apt_pkg
+
+DISTRO = subprocess.Popen(["lsb_release", "-c", "-s"],
+                          stdout=subprocess.PIPE).communicate()[0].strip()
+
+class OpNullProgress(object):
+    '''apt progress handler which supresses any output.'''
+    def update(self):
+        pass
+    def done(self):
+        pass
+
+def is_security_upgrade(pkg):
+    '''
+    Checks to see if a package comes from a DISTRO-security source.
+    '''
+    security_package_sources = [("Ubuntu", "%s-security" % DISTRO),
+                               ("Debian", "%s-security" % DISTRO)]
+
+    for (file, index) in pkg.file_list:
+        for origin, archive in security_package_sources:
+            if (file.archive == archive and file.origin == origin):
+                return True
+    return False
+
+# init apt and config
+apt_pkg.init()
+
+# open the apt cache
+try:
+    cache = apt_pkg.Cache(OpNullProgress())
+except SystemError, e:
+    sys.stderr.write("Error: Opening the cache (%s)" % e)
+    sys.exit(-1)
+
+# setup a DepCache instance to interact with the repo
+depcache = apt_pkg.DepCache(cache)
+
+# take into account apt policies
+depcache.read_pinfile()
+
+# initialise it
+depcache.init()
+
+# give up if packages are broken
+if depcache.broken_count > 0:
+    sys.stderr.write("Error: Broken packages exist.")
+    sys.exit(-1)
+
+# mark possible packages
+try:
+    # run distro-upgrade
+    depcache.upgrade(True)
+    # reset if packages get marked as deleted -> we don't want to break anything
+    if depcache.del_count > 0:
+        depcache.init()
+
+    # then a standard upgrade
+    depcache.upgrade()
+except SystemError, e:
+    sys.stderr.write("Error: Couldn't mark the upgrade (%s)" % e)
+    sys.exit(-1)
+
+# run around the packages
+upgrades = 0
+security_upgrades = 0
+for pkg in cache.packages:
+    candidate = depcache.get_candidate_ver(pkg)
+    current = pkg.current_ver
+
+    # skip packages not marked as upgraded/installed
+    if not (depcache.marked_install(pkg) or depcache.marked_upgrade(pkg)):
+        continue
+
+    # increment the upgrade counter
+    upgrades += 1
+
+    # keep another count for security upgrades
+    if is_security_upgrade(candidate):
+        security_upgrades += 1
+
+    # double check for security upgrades masked by another package
+    for version in pkg.version_list:
+        if (current and apt_pkg.version_compare(version.ver_str, current.ver_str) <= 0):
+            continue
+        if is_security_upgrade(version):
+            security_upgrades += 1
+            break
+
+print "%d updates to install." % upgrades
+print "%d are security updates." % security_upgrades
+print "" # leave a trailing blank line

99-footer

@@ -0,0 +1,24 @@
+#!/bin/sh
+#
+#    99-footer - write the admin's footer to the MOTD
+#    Copyright (c) 2013 Nick Charlton
+#    Copyright (c) 2009-2010 Canonical Ltd.
+#
+#    Authors: Nick Charlton <hello@nickcharlton.net>
+#             Dustin Kirkland <kirkland@canonical.com>
+#
+#    This program is free software; you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation; either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License along
+#    with this program; if not, write to the Free Software Foundation, Inc.,
+#    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+[ -f /etc/motd.tail ] && cat /etc/motd.tail || true