mac_dirty=$(strings "$part" | sed -n 's/^'"$key"'=//p')
# "canonicalize" mac
- [ -n "$mac_dirty" ] && echo ${mac_dirty} | tr [A-F] [a-f]
+ [ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
+}
+
+mtd_get_blob()
+{
+ local mtdname="$1"
+ local offset="$2"
+ local count="$3"
+ local firmware="$4"
+ local part
+
+ part=$(find_mtd_part "$mtdname")
+ if [ -z "$part" ]; then
+ echo "mtd_get_blob: partition $mtdname not found!" >&2
+ return 1
+ fi
+
+ dd if=$part of=$firmware bs=1 skip=$offset count=$count 2>/dev/null || {
+ echo "mtd_get_blob: failed to extract $firmware from $part" >&2
+ return 1
+ }
}
mtd_get_mac_binary() {
echo -ne \\x${mac//:/\\x}
}
+macaddr_canonicalize()
+{
+ local mac="$1"
+ local canon=""
+
+ [ ${#mac} -gt 17 ] && return
+ [ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return
+
+ for octet in ${mac//[\.:-]/ }; do
+ case "${#octet}" in
+ 1)
+ octet="0${octet}"
+ ;;
+ 2)
+ ;;
+ 4)
+ octet="${octet:0:2} ${octet:2:2}"
+ ;;
+ 12)
+ octet="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}"
+ ;;
+ *)
+ return
+ ;;
+ esac
+ canon=${canon}${canon:+ }${octet}
+ done
+
+ [ ${#canon} -ne 17 ] && return
+
+ printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${canon// / 0x} 2>/dev/null
+}
+
strtok() { # <string> { <variable> [<separator>] ... }
local tmp
local val="$1"