PART_NAME=firmware LXL_FLAGS_VENDOR_LUXUL=0x00000001 # $(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"' } # $(1): file to read LE long number from # $(2): offset in bytes get_le_long_at() { echo $((0x$(dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -e '1/4 "%02x"'))) } platform_expected_image() { local model="$(cat /tmp/sysinfo/model)" case "$model" 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 WN2500RP V1") echo "chk U12H197T00_NETGEAR"; return;; "Netgear WN2500RP V2") echo "chk U12H294T00_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;; "Luxul XAP-310 V1") echo "lxl XAP-310"; return;; "Luxul XAP-1210 V1") echo "lxl XAP-1210"; return;; "Luxul XAP-1230 V1") echo "lxl XAP-1230"; return;; "Luxul XAP-1240 V1") echo "lxl XAP-1240"; return;; "Luxul XAP-1500 V1") echo "lxl XAP-1500"; return;; "Luxul ABR-4400 V1") echo "lxl ABR-4400"; return;; "Luxul XBR-4400 V1") echo "lxl XBR-4400"; return;; "Luxul XVW-P30 V1") echo "lxl XVW-P30"; return;; "Luxul XWR-600 V1") echo "lxl XWR-600"; return;; "Luxul XWR-1750 V1") echo "lxl XWR-1750"; return;; esac } bcm47xx_identify() { local magic magic=$(get_magic_long "$1") case "$magic" in "48445230") echo "trx" return ;; "2a23245e") echo "chk" return ;; "4c584c23") echo "lxl" return ;; esac magic=$(get_magic_long_at "$1" 14) [ "$magic" = "55324e44" ] && { echo "cybertan" return } magic=$(get_magic_long_at "$1" 60) [ "$magic" = "4c584c23" ] && { echo "lxlold" return } echo "unknown" } platform_check_image() { [ "$#" -gt 1 ] && return 1 local file_type=$(bcm47xx_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 $board_id" [ -n "$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" notify_firmware_test_result "trx_valid" 0 error=1 else notify_firmware_test_result "trx_valid" 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 "$1" -o 32; then echo "No valid TRX firmware in the CyberTAN image" notify_firmware_test_result "trx_valid" 0 error=1 else notify_firmware_test_result "trx_valid" 1 fi ;; "lxl") local hdr_len=$(get_le_long_at "$1" 8) local flags=$(get_le_long_at "$1" 12) local board=$(dd if="$1" skip=16 bs=1 count=16 2>/dev/null | hexdump -v -e '1/1 "%c"') local dev_board=$(platform_expected_image) echo "Found Luxul image for board $board" [ -n "$dev_board" -a "lxl $board" != "$dev_board" ] && { echo "Firmware ($board) doesn't match device ($dev_board)" error=1 } [ $((flags & LXL_FLAGS_VENDOR_LUXUL)) -gt 0 ] && notify_firmware_no_backup if ! otrx check "$1" -o "$hdr_len"; then echo "No valid TRX firmware in the Luxul image" notify_firmware_test_result "trx_valid" 0 error=1 else notify_firmware_test_result "trx_valid" 1 fi ;; "lxlold") local board_id=$(dd if="$1" skip=48 bs=1 count=12 2>/dev/null | hexdump -v -e '1/1 "%c"') local dev_board_id=$(platform_expected_image) echo "Found Luxul image with device board_id $board_id" [ -n "$dev_board_id" -a "lxl $board_id" != "$dev_board_id" ] && { echo "Firmware board_id doesn't match device board_id ($dev_board_id)" error=1 } notify_firmware_no_backup if ! otrx check "$1" -o 64; then echo "No valid TRX firmware in the Luxul image" notify_firmware_test_result "trx_valid" 0 error=1 else notify_firmware_test_result "trx_valid" 1 fi ;; "trx") if ! otrx check "$1"; then echo "Invalid (corrupted?) TRX firmware" notify_firmware_test_result "trx_valid" 0 error=1 else notify_firmware_test_result "trx_valid" 1 fi ;; *) echo "Invalid image type. Please use firmware specific for this device." notify_firmware_broken error=1 ;; esac return $error } platform_trx_from_chk_cmd() { local header_len=$((0x$(get_magic_long_at "$1" 4))) echo -n dd bs=$header_len skip=1 } platform_trx_from_cybertan_cmd() { echo -n dd bs=32 skip=1 } platform_trx_from_lxl_cmd() { local hdr_len=$(get_le_long_at "$1" 8) echo -n dd skip=$hdr_len iflag=skip_bytes } platform_trx_from_lxlold_cmd() { echo -n dd bs=64 skip=1 } platform_do_upgrade() { local file_type=$(bcm47xx_identify "$1") local trx="$1" local cmd="" case "$file_type" in "chk") cmd=$(platform_trx_from_chk_cmd "$trx");; "cybertan") cmd=$(platform_trx_from_cybertan_cmd "$trx");; "lxl") cmd=$(platform_trx_from_lxl_cmd "$trx");; "lxlold") cmd=$(platform_trx_from_lxlold_cmd "$trx");; esac default_do_upgrade "$trx" "$cmd" }