Split parts not Gluon-specific out of gluon-autoupdater

This commit is contained in:
Matthias Schiffer 2014-07-11 14:06:42 +02:00
parent 58ced87261
commit 4d80b7a62d
5 changed files with 2 additions and 255 deletions

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@ -1,7 +1,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=gluon-autoupdater
PKG_VERSION:=3
PKG_VERSION:=4
PKG_RELEASE:=$(GLUON_BRANCH)
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
@ -11,7 +11,7 @@ include $(GLUONDIR)/include/package.mk
define Package/gluon-autoupdater
SECTION:=gluon
CATEGORY:=Gluon
DEPENDS:=+gluon-core +gluon-cron +opkg +ecdsautils +!BUSYBOX_CONFIG_SHA512SUM:coreutils-sha512sum
DEPENDS:=+gluon-core +gluon-cron +autoupdater
TITLE:=Automatically update firmware
endef

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@ -1,35 +0,0 @@
Models
======
Ubiquity
--------
ubiquity-nanostation-m (dual ethernet)
ubiquity-bullet-m (single ethernet: Bullet M, NanoStation Loco M, PicoStation M)
TP-Link
-------
tp-link-tl-mr3020
tp-link-tl-mr3040
tp-link-tl-mr3220
tp-link-tl-mr3420
tp-link-tl-wdr3600-v1
tp-link-tl-wdr4300-v1
tp-link-tl-wdr4310-v1
tp-link-tl-wr740n-nd-v1
tp-link-tl-wr740n-nd-v3
tp-link-tl-wr740n-nd-v4
tp-link-tl-wr741n-nd-v1
tp-link-tl-wr741n-nd-v2
tp-link-tl-wr741n-nd-v4
tp-link-tl-wr841n-nd-v8
tp-link-tl-wr841n-nd-v1.5
tp-link-tl-wr841n-nd-v3
tp-link-tl-wr841n-nd-v5
tp-link-tl-wr841n-nd-v7
tp-link-tl-wr842n-nd-v1
tp-link-tl-wr941n-nd-v2
tp-link-tl-wr941n-nd-v3
tp-link-tl-wr941n-nd-v4
tp-link-tl-wr1043n-nd-v1

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@ -1,24 +0,0 @@
#config autoupdater settings
# option enabled 1
# option branch "stable"
#config branch stable
# The branch name given in the manifest
# option name 'stable'
# list mirror 'http://[fdef:ffc0:3dd7::8]/~freifunk/firmware/autoupdate'
# The updater will run once per hour and perform an update with a certain
# probability.
# 1.0 - perform an update every hour
# 0.5 - on average, perform an update every two hours
# 0.0 - inhibit any automatic updates
# option probability 0.5
# Minimum valid signatures required to perform the update
# option good_signatures 2
# List of public keys
# list pubkey 'beea7da92ed0c19563b6c259162b4cb471aa2fdf9d3939d05fea2cf498ea7642'
# list pubkey 'c75c9390cf5d7cc49a388d35f831ca379060cf7bca8c6e3d2d1ea31604597c42'
# list pubkey '03e9514f137f0467c0f0ac108892c0da2b71f1039b30f863331cbd5701abd042'

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@ -1,186 +0,0 @@
#!/bin/sh
BRANCH=$(uci get autoupdater.settings.branch)
PROBABILITY=$(uci get autoupdater.${BRANCH}.probability)
if test "a$1" != "a-f"; then
if test $(uci get autoupdater.settings.enabled) != 1; then
echo "autoupdater is disabled"
exit 0
fi
# get one random byte from /dev/urandom, convert it to decimal and check
# against update_probability*255
hexdump -n1 -e '/1 "%d"' /dev/urandom | awk "{exit \$1 > $PROBABILITY * 255}"
if test $? -ne 0; then
echo "No autoupdate this time. Use -f to override"
exit 0
fi
fi
BRANCH_NAME=$(uci get autoupdater.${BRANCH}.name)
MIRRORS=$(for mirror in $(uci get autoupdater.${BRANCH}.mirror); do \
hexdump -n1 -e '/1 "%d '"$mirror"'\n"' /dev/urandom; \
done | sort -n | cut -d' ' -f2)
PUBKEYS=$(uci get autoupdater.${BRANCH}.pubkey)
GOOD_SIGNATURES=$(uci get autoupdater.${BRANCH}.good_signatures)
VERSION_FILE=/lib/gluon/release
# returns 0 when $1 is a higher version number than $2
newer_than() {
# negate the return value as opkg returns 1 when the proposition is true
! opkg compare-versions "$1" '>>' "$2"
}
fetch_manifest() {
local MIRROR=$1
local manifest=$2
wget -O$manifest "$MIRROR"/manifest
if test $? -ne 0; then
echo "Couldn't fetch manifest from $MIRROR" >&2
return 1
fi
return 0
}
verify_manifest() {
local manifest=$1
local manifest_upper=$2
local manifest_lower=$(mktemp)
awk "BEGIN { sep=0 }
/^---\$/ { sep=1; next }
{ if(sep==0) print > \"$manifest_upper\";
else print > \"$manifest_lower\"}" \
$manifest
local signatures=""
while read sig; do
echo "$sig" | grep -q "^[0-9a-f]\{128\}$"
if test $? -ne 0; then
continue
fi
signatures="$signatures -s $sig"
done < $manifest_lower
local pubkeys=""
for key in $PUBKEYS; do
pubkeys="$pubkeys -p $key"
done
rm -f $manifest_lower
ecdsaverify -n $GOOD_SIGNATURES $pubkeys $signatures $manifest_upper
if test $? -ne 0; then
echo "Not enough valid signatures!" >&2
return 1
fi
return 0
}
analyse_manifest() {
local manifest_upper=$1
grep -q "^BRANCH=${BRANCH_NAME}$" $manifest_upper
if test $? -ne 0; then
echo "Wrong branch. We are on ${BRANCH_NAME}" >&2
return 1
fi
local my_firmware
my_firmware=$(grep "^${my_model} " $manifest_upper)
if test $? -ne 0; then
echo "No matching firmware found (model ${my_model})" >&2
return 1
fi
fw_version=$(echo "${my_firmware}"|cut -d' ' -f2)
fw_checksum=$(echo "${my_firmware}"|cut -d' ' -f3)
fw_file=$(echo "${my_firmware}"|cut -d' ' -f4)
return 0
}
fetch_firmware() {
local MIRROR=$1
local fw_image=$2
wget -O$fw_image "${MIRROR}/${fw_file}"
if test $? -ne 0; then
echo "Error downloading image from $MIRROR" >&2
return 1
fi
return 0
}
autoupdate() {
local MIRROR=$1
local manifest=$(mktemp)
fetch_manifest $MIRROR $manifest || { rm -f $manifest; return 1; }
local manifest_upper=$(mktemp)
verify_manifest $manifest $manifest_upper || { rm -f $manifest $manifest_upper; return 1; }
rm -f $manifest
analyse_manifest $manifest_upper || { rm -f $manifest_upper; return 1; }
rm -f $manifest_upper
if newer_than "$fw_version" "$my_version"; then
echo "New version available"
# drop caches to make room for firmware image
sync
sysctl -w vm.drop_caches=3
local fw_image=$(mktemp)
fetch_firmware $MIRROR $fw_image || { rm -f $fw_image; return 1; }
image_sha512=$(sha512sum "$fw_image" | awk '{print $1}')
image_md5=$(md5sum "$fw_image" | awk '{print $1}')
if [ "$image_sha512" != "$fw_checksum" -a "$image_md5" != "$fw_checksum" ]; then
echo "Invalid image checksum" >&2
rm -f $fw_image
return 1
fi
echo "Upgrading firmware."
sysupgrade "${fw_image}"
else
echo "No new firmware available"
fi
return 0
}
trap 'echo Signal ignored.' INT TERM PIPE
my_model="$(lua -e 'print(require("platform_info").get_image_name())')"
if [ ! -f "$VERSION_FILE" ]; then
echo "Couldn't determine firmware version!" >&2
exit 1
fi
my_version="$(cat "$VERSION_FILE")"
for mirror in $MIRRORS; do
autoupdate $mirror && exit 0
unset fw_version
unset fw_checksum
unset fw_file
done

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@ -1,8 +0,0 @@
BRANCH=stable
# model ver sha512sum filename
tp-link-tl-wdr4300-v1 0.4 c300c2b80a8863506cf3b19359873c596d87af3183c4826462dfb5aa69bec7ce65e3db23a9f6f779fd0f3cc50db5d57070c2b62942abf4fb0e08ae4cb48191a0 gluon-0.4-tp-link-tl-wdr4300-v1-sysupgrade.bin
# after three dashes follow the ecdsa signatures of everything above the dashes
---
49030b7b394e0bd204e0faf17f2d2b2756b503c9d682b135deea42b34a09010bff139cbf7513be3f9f8aae126b7f6ff3a7bfe862a798eae9b005d75abbba770a