# RaspMatic update addon # # Copyright (C) 2017 Jan Schneider # # 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 3 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, see . # namespace eval rmupdate { variable release_url "https://github.com/jens-maus/RaspberryMatic/releases" variable addon_dir "/usr/local/addons/rmupdate" variable img_dir "/usr/local/addons/rmupdate/var/img" variable mnt_cur "/usr/local/addons/rmupdate/var/mnt_cur" variable mnt_new "/usr/local/addons/rmupdate/var/mnt_new" variable sys_dev "/dev/mmcblk0" variable loop_dev "/dev/loop7" variable install_log "/usr/local/addons/rmupdate/var/install.log" variable install_lock "/usr/local/addons/rmupdate/var/install.lock" variable log_file "" } proc ::rmupdate::get_rpi_version {} { set fp [open /proc/cpuinfo r] set data [read $fp] foreach d [split $data "\n"] { regexp {^Revision\s*:\s*(\S+)\s*$} $d match revision if { [info exists revision] } { if {$revision == "a22082"} { # Pi 3 Model B return "rpi3" } elseif {$revision == "900092"} { # Pi Zero return "rpi0" } elseif {$revision == "a21041"} { # Pi 2 Model B return "rpi3" } elseif {$revision == "0012"} { # Pi Model A+ return "rpi0" } elseif {$revision == "0010"} { # Pi Model B+ return "rpi0" } } } return "" } proc ::rmupdate::compare_versions {a b} { return [package vcompare $a $b] } proc ::rmupdate::write_log {str} { variable log_file puts stderr $str if {$log_file != ""} { set fd [open $log_file "a"] puts $fd $str close $fd } } proc ::rmupdate::read_install_log {} { variable install_log if { ![file exist $install_log] } { return "" } set fp [open $install_log r] set data [read $fp] close $fp return $data } proc ::rmupdate::version {} { variable addon_dir set fp [open "${addon_dir}/VERSION" r] set data [read $fp] close $fp return [string trim $data] } proc ::rmupdate::get_partion_start_and_size {device partition} { set data [exec /usr/sbin/parted $device unit B print] foreach d [split $data "\n"] { regexp {^\s*(\d)\s+(\d+)B\s+(\d+)B\s+(\d+)B.*} $d match num start end size if { [info exists num] && $num == $partition } { return [list $start $size] } } return [list -1 -1] } proc ::rmupdate::is_system_upgradeable {} { set ret [get_filesystem_size_and_usage "/"] set size [lindex $ret 0] set used [lindex $ret 1] if { [expr {$used*1.5}] > $size && [expr {$used+50*1024*1024}] >= $size } { return 0 } return 1 } proc ::rmupdate::mount_image_partition {image partition mountpoint} { variable loop_dev variable sys_dev write_log "Mounting parition ${partition} of image ${image}." set p [get_partion_start_and_size $image $partition] #write_log "Partiton start=[lindex $p 0], size=[lindex $p 1]." file mkdir $mountpoint catch {exec /bin/umount "${mountpoint}"} catch {exec /sbin/losetup -d $loop_dev} exec /sbin/losetup -o [lindex $p 0] $loop_dev "${image}" exec /bin/mount $loop_dev -o ro "${mountpoint}" } proc ::rmupdate::mount_system_partition {partition_or_filesystem mountpoint} { if {$partition_or_filesystem == 1} { set partition_or_filesystem "/boot" } elseif {$partition_or_filesystem == 2} { set partition_or_filesystem "/" } elseif {$partition_or_filesystem == 3} { set partition_or_filesystem "/usr/local" } write_log "Remounting filesystem ${partition_or_filesystem} (rw)." file mkdir $mountpoint catch {exec /bin/umount "${mountpoint}"} exec /bin/mount -o bind $partition_or_filesystem "${mountpoint}" exec /bin/mount -o remount,rw "${mountpoint}" } proc ::rmupdate::umount {device_or_mountpoint} { exec /bin/umount "${device_or_mountpoint}" } proc ::rmupdate::get_filesystem_size_and_usage {device_or_mountpoint} { set data [exec /bin/df] foreach d [split $data "\n"] { regexp {^(\S+)\s+\d+\s+(\d+)\s+(\d+)\s+\d+%\s(\S+)\s*$} $d match device used available mountpoint if { [info exists device] } { if {$device == $device_or_mountpoint || $mountpoint == $device_or_mountpoint} { return [list [expr {$used*1024+$available*1024}] [expr {$used*1024}]] } } } return [list -1 -1] } proc ::rmupdate::check_sizes {image} { variable mnt_new variable mnt_cur write_log "Checking size of filesystems." file mkdir $mnt_new file mkdir $mnt_cur foreach partition [list 1 2] { mount_image_partition $image $partition $mnt_new mount_system_partition $partition $mnt_cur set su_new [get_filesystem_size_and_usage $mnt_new] set new_used [lindex $su_new 1] set su_cur [get_filesystem_size_and_usage $mnt_cur] set cur_size [lindex $su_cur 0] write_log "Current filesystem (${partition}) size: ${cur_size}, new filesystem used bytes: ${new_used}." umount $mnt_new umount $mnt_cur if { [expr {$new_used*1.5}] > $cur_size && [expr {$new_used+50*1024*1024}] >= $cur_size } { error "Current filesystem of partition $partition (${cur_size} bytes) not big enough (new usage: ${new_used} bytes)." } } write_log "Sizes of filesystems checked successfully." } proc ::rmupdate::update_filesystems {image} { variable mnt_new variable mnt_cur write_log "Updating filesystems." file mkdir $mnt_new file mkdir $mnt_cur foreach partition [list 1 2] { write_log "Updating partition ${partition}." mount_image_partition $image $partition $mnt_new mount_system_partition $partition $mnt_cur write_log "Rsyncing filesystem of partition ${partition}." set data [exec rsync --progress --archive --delete "${mnt_new}/" "${mnt_cur}"] write_log "Rsync finished." umount $mnt_new umount $mnt_cur } } #proc ::rmupdate::is_firmware_up_to_date {} { # set latest_version [get_latest_firmware_version] # write_log "Latest firmware version: ${latest_version}" # # set current_version [get_current_firmware_version] # write_log "Current firmware version: ${current_version}" # # if {[compare_versions $current_version $latest_version] >= 0} { # return 1 # } # return 0 #} proc ::rmupdate::get_current_firmware_version {} { set fp [open "/boot/VERSION" r] set data [read $fp] close $fp regexp {\s*VERSION\s*=s*([\d\.]+)\s*$} $data match current_version return $current_version } proc ::rmupdate::get_available_firmware_downloads {} { variable release_url set rpi_version [get_rpi_version] set download_urls [list] set data [exec wget "${release_url}" --no-check-certificate -q -O-] foreach d [split $data ">"] { set href "" regexp {<\s*a\s+href\s*=\s*"([^"]+/releases/download/[^"]+)\.zip"} $d match href if { [info exists href] && $href != ""} { set fn [lindex [split $href "/"] end] set tmp [split $fn "-"] if { [llength $tmp] == 3 } { if { $rpi_version != [lindex $tmp 2] } { continue } } #write_log $href lappend download_urls "https://github.com${href}.zip" } } return $download_urls } proc ::rmupdate::get_latest_firmware_version {} { set versions [list] foreach e [get_available_firmware_downloads] { lappend versions [get_version_from_filename $e] } set versions [lsort -decreasing -command compare_versions $versions] return [lindex $versions 0] } proc ::rmupdate::download_firmware {version} { variable img_dir variable log_file set image_file "${img_dir}/RaspberryMatic-${version}.img" set download_url "" foreach e [get_available_firmware_downloads] { set v [get_version_from_filename $e] if {$v == $version} { set download_url $e break } } if {$download_url == ""} { error "Failed to get url for firmware ${version}" } write_log "Downloading firmware from ${download_url}." regexp {/([^/]+)$} $download_url match archive_file set archive_file "${img_dir}/${archive_file}" file mkdir $img_dir if {$log_file != ""} { exec wget "${download_url}" --show-progress --progress=dot:giga --no-check-certificate --quiet --output-document=$archive_file 2>>${log_file} write_log "" } else { exec wget "${download_url}" --no-check-certificate --quiet --output-document=$archive_file } write_log "Download completed." write_log "Extracting firmware ${archive_file}." set data [exec unzip -ql "${archive_file}"] set img_file "" foreach d [split $data "\n"] { regexp {\s+(\S+\.img)\s*$} $d match img_file if { $img_file != "" } { break } } if { $img_file == "" } { error "Failed to extract image from archive." } exec unzip "${archive_file}" "${img_file}" -o -d "${img_dir}" set img_file "${img_dir}/${img_file}" puts "${img_file} ${image_file}" if {$img_file != $image_file} { file rename $img_file $image_file } file delete $archive_file return $image_file } proc ::rmupdate::get_available_firmware_images {} { variable img_dir file mkdir $img_dir return [glob -nocomplain "${img_dir}/*.img"] } proc ::rmupdate::get_version_from_filename {filename} { set fn [file rootname [file tail $filename]] set tmp [split $fn "-"] return [lindex $tmp 1] #regexp {\-([\d\.]+)\.[^\.]+-*.*$} $filename match version #return $version } proc ::rmupdate::get_firmware_info {} { variable release_url set current [get_current_firmware_version] set versions [list $current] foreach e [get_available_firmware_downloads] { set version [get_version_from_filename $e] set downloads($version) $e if {[lsearch $versions $version] == -1} { lappend versions $version } } foreach e [get_available_firmware_images] { set version [get_version_from_filename $e] set images($version) $e if {[lsearch $versions $version] == -1} { lappend versions $version } } set versions [lsort -decreasing -command compare_versions $versions] set json "\[" set latest "true" foreach v $versions { set installed "false" if {$v == $current} { set installed "true" } set image "" catch { set image $images($v) } set url "" catch { set url $downloads($v) } set info_url "${release_url}/tag/${v}" append json "\{\"version\":\"${v}\",\"installed\":${installed},\"latest\":${latest}\,\"url\":\"${url}\"\,\"info_url\":\"${info_url}\",\"image\":\"${image}\"\}," set latest "false" } if {[llength versions] > 0} { set json [string range $json 0 end-1] } append json "\]" return $json } proc ::rmupdate::install_process_running {} { variable install_lock if {! [file exists $install_lock]} { return 0 } set fp [open $install_lock "r"] set lpid [string trim [read $fp]] close $fp if {[file exists "/proc/${lpid}"]} { return 1 } file delete $install_lock return 0 } proc ::rmupdate::delete_firmware_image {version} { variable img_dir eval {file delete [glob "${img_dir}/*${version}.img"]} } proc ::rmupdate::install_firmware_version {version {reboot 1}} { if {[rmupdate::install_process_running]} { error "Another install process is running." } variable install_lock variable log_file variable install_log set fd [open $install_lock "w"] puts $fd [pid] close $fd file delete $install_log set log_file $install_log set firmware_image "" foreach e [get_available_firmware_images] { set v [get_version_from_filename $e] if {$v == $version} { set firmware_image $e break } } if {$firmware_image == ""} { set firmware_image [download_firmware $version] } check_sizes $firmware_image update_filesystems $firmware_image file delete $install_lock if {$reboot} { write_log "Rebooting system." exec /bin/sh -c "/bin/sleep 5; /sbin/reboot -f" & } } #puts [rmupdate::get_latest_firmware_version] #puts [rmupdate::get_firmware_info] #puts [rmupdate::get_available_firmware_images] #puts [rmupdate::get_available_firmware_downloads] #rmupdate::download_latest_firmware #puts [rmupdate::is_firmware_up_to_date] #puts [rmupdate::get_latest_firmware_download_url] #rmupdate::check_sizes "/usr/local/addons/raspmatic-update/tmp/RaspberryMatic-2.27.7.20170316.img" #set res [rmupdate::get_partion_start_and_size "/dev/mmcblk0" 1] #rmupdate::mount_image_partition "/usr/local/addons/raspmatic-update/tmp/RaspberryMatic-2.27.7.20170316.img" 1 $rmupdate::mnt_new #rmupdate::umount $rmupdate::mnt_new #rmupdate::mount_system_partition "/boot" $rmupdate::mnt_cur #rmupdate::umount $rmupdate::mnt_cur #puts [rmupdate::get_rpi_version]