PART_NAME=firmware
+# $(1): file to read magic from
+# $(2): offset in bytes
+get_magic_long_at() {
+ dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
+}
+
+platform_machine() {
+ grep "machine" /proc/cpuinfo | sed "s/.*:[ \t]*//"
+}
+
+platform_expected_image() {
+ local machine=$(platform_machine)
+
+ case "$machine" in
+ "Netgear WGR614 V8") echo "chk U12H072T00_NETGEAR"; return;;
+ "Netgear WGR614 V9") echo "chk U12H094T00_NETGEAR"; return;;
+ "Netgear WGR614 V10") echo "chk U12H139T01_NETGEAR"; return;;
+ "Netgear WNDR3300") echo "chk U12H093T00_NETGEAR"; return;;
+ "Netgear WNDR3400 V1") echo "chk U12H155T00_NETGEAR"; return;;
+ "Netgear WNDR3400 V2") echo "chk U12H187T00_NETGEAR"; return;;
+ "Netgear WNDR3400 V3") echo "chk U12H208T00_NETGEAR"; return;;
+ "Netgear WNDR3400 Vcna") echo "chk U12H155T01_NETGEAR"; return;;
+ "Netgear WNDR3700 V3") echo "chk U12H194T00_NETGEAR"; return;;
+ "Netgear WNDR4000") echo "chk U12H181T00_NETGEAR"; return;;
+ "Netgear WNDR4500 V1") echo "chk U12H189T00_NETGEAR"; return;;
+ "Netgear WNDR4500 V2") echo "chk U12H224T00_NETGEAR"; return;;
+ "Netgear WNR2000 V2") echo "chk U12H114T00_NETGEAR"; return;;
+ "Netgear WNR3500L") echo "chk U12H136T99_NETGEAR"; return;;
+ "Netgear WNR3500U") echo "chk U12H136T00_NETGEAR"; return;;
+ "Netgear WNR3500 V2") echo "chk U12H127T00_NETGEAR"; return;;
+ "Netgear WNR3500 V2vc") echo "chk U12H127T70_NETGEAR"; return;;
+ "Netgear WNR834B V2") echo "chk U12H081T00_NETGEAR"; return;;
+ "Linksys E900 V1") echo "cybertan E900"; return;;
+ "Linksys E1000 V1") echo "cybertan E100"; return;;
+ "Linksys E1000 V2") echo "cybertan E100"; return;;
+ "Linksys E1000 V2.1") echo "cybertan E100"; return;;
+ "Linksys E1200 V2") echo "cybertan E122"; return;;
+ "Linksys E2000 V1") echo "cybertan 32XN"; return;;
+ "Linksys E3000 V1") echo "cybertan 61XN"; return;;
+ "Linksys E3200 V1") echo "cybertan 3200"; return;;
+ "Linksys E4200 V1") echo "cybertan 4200"; return;;
+ "Linksys WRT150N V1.1") echo "cybertan N150"; return;;
+ "Linksys WRT150N V1") echo "cybertan N150"; return;;
+ "Linksys WRT160N V1") echo "cybertan N150"; return;;
+ "Linksys WRT160N V3") echo "cybertan N150"; return;;
+ "Linksys WRT300N V1") echo "cybertan EWCB"; return;;
+ "Linksys WRT300N V1.1") echo "cybertan EWC2"; return;;
+ "Linksys WRT310N V1") echo "cybertan 310N"; return;;
+ "Linksys WRT310N V2") echo "cybertan 310N"; return;;
+ "Linksys WRT610N V1") echo "cybertan 610N"; return;;
+ "Linksys WRT610N V2") echo "cybertan 610N"; return;;
+ esac
+}
+
+brcm47xx_identify() {
+ local magic
+
+ magic=$(get_magic_long "$1")
+ case "$magic" in
+ "48445230")
+ echo "trx"
+ return
+ ;;
+ "2a23245e")
+ echo "chk"
+ return
+ ;;
+ esac
+
+ magic=$(get_magic_long_at "$1" 14)
+ [ "$magic" = "55324e44" ] && {
+ echo "cybertan"
+ return
+ }
+
+ echo "unknown"
+}
+
platform_check_image() {
- [ "$ARGC" -gt 1 ] && return 1
+ [ "$#" -gt 1 ] && return 1
+
+ local file_type=$(brcm47xx_identify "$1")
+ local magic
+ local error=0
+
+ case "$file_type" in
+ "chk")
+ local header_len=$((0x$(get_magic_long_at "$1" 4)))
+ local board_id_len=$(($header_len - 40))
+ local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"')
+ local dev_board_id=$(platform_expected_image)
+ echo "Found CHK image with device board_id $board_id"
- case "$(get_magic_word "$1")" in
- # .trx files
- 4844) return 0;;
+ [ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && {
+ echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
+ error=1
+ }
+
+ if ! otrx check "$1" -o "$header_len"; then
+ echo "No valid TRX firmware in the CHK image"
+ error=1
+ fi
+ ;;
+ "cybertan")
+ local pattern=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
+ local dev_pattern=$(platform_expected_image)
+ echo "Found CyberTAN image with device pattern: $pattern"
+
+ [ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && {
+ echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
+ error=1
+ }
+
+ if ! otrx check "$1" -o 32; then
+ echo "No valid TRX firmware in the CyberTAN image"
+ error=1
+ fi
+ ;;
+ "trx")
+ if ! otrx check "$1"; then
+ echo "Invalid (corrupted?) TRX firmware"
+ error=1
+ fi
+ ;;
*)
echo "Invalid image type. Please use only .trx files"
- return 1
+ error=1
;;
esac
+
+ return $error
+}
+
+platform_extract_trx_from_chk() {
+ local header_len=$((0x$(get_magic_long_at "$1" 4)))
+
+ dd if="$1" of="$2" bs=$header_len skip=1
+}
+
+platform_extract_trx_from_cybertan() {
+ dd if="$1" of="$2" bs=32 skip=1
}
-# use default for platform_do_upgrade()
+platform_do_upgrade() {
+ local file_type=$(brcm47xx_identify "$1")
+ local trx="$1"
+
+ case "$file_type" in
+ "chk") trx="/tmp/$1.trx"; platform_extract_trx_from_chk "$1" "$trx";;
+ "cybertan") trx="/tmp/$1.trx"; platform_extract_trx_from_cybertan "$1" "$trx";;
+ esac
+
+ shift
+ default_do_upgrade "$trx" "$@"
+}
projects / openwrt / svn-archive / archive.git / blobdiff