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contrib/package/sysupgrade-atheros: add more sanity checks

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This commit is contained in:
Jo-Philipp Wich 2009-06-23 19:17:53 +00:00
parent c6a29c1a08
commit 35874fad2b
2 changed files with 23 additions and 11 deletions
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2
contrib/package/sysupgrade-atheros/Makefile
View file

@ -7,7 +7,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=sysupgrade-atheros
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)

14
contrib/package/sysupgrade-atheros/files/lib/upgrade/platform.sh
View file

@ -3,7 +3,17 @@ platform_check_image() {
case "$(get_magic_word "$1")" in
# Freifunk .img files
4646) return 0;;
4646)
local kern_name=$(dd if="$1" bs=2 skip=5 count=8 2>/dev/null); kern_name="${kern_name%% *}"
local root_name=$(dd if="$1" bs=2 skip=17 count=8 2>/dev/null); root_name="${root_name%% *}"
if grep -q '"'$kern_name'"' /proc/mtd && grep -q '"'$root_name'"' /proc/mtd; then
return 0
else
echo "Invalid image. Missing the '$kern_name' or '$root_name' partition"
return 1
fi
;;
*)
echo "Invalid image. Use Freifunk .img files on this platform"
return 1
@ -17,6 +27,7 @@ platform_do_upgrade() {
local root_length=$((0x$(dd if="$1" bs=2 skip=13 count=4 2>/dev/null)/65536))
local root_name=$(dd if="$1" bs=2 skip=17 count=8 2>/dev/null); root_name="${root_name%% *}"
if grep -q '"'$kern_name'"' /proc/mtd && grep -q '"'$root_name'"' /proc/mtd; then
local append=""
[ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
@ -29,4 +40,5 @@ platform_do_upgrade() {
dd if="$1" bs=65536 skip=$((1+$kern_length)) count=$root_length 2>/dev/null | \
mtd -e $root_name $append write - $root_name
fi
fi
}