3 # $(1): file to read magic from
4 # $(2): offset in bytes
6 dd if="$1" skip
=$2 bs
=1 count
=4 2>/dev
/null |
hexdump -v -n 4 -e '1/1 "%02x"'
9 platform_expected_image
() {
10 local machine
=$
(board_name
)
13 "Netgear WGR614 V8") echo "chk U12H072T00_NETGEAR"; return;;
14 "Netgear WGR614 V9") echo "chk U12H094T00_NETGEAR"; return;;
15 "Netgear WGR614 V10") echo "chk U12H139T01_NETGEAR"; return;;
16 "Netgear WN2500RP V1") echo "chk U12H197T00_NETGEAR"; return;;
17 "Netgear WN2500RP V2") echo "chk U12H294T00_NETGEAR"; return;;
18 "Netgear WNDR3300") echo "chk U12H093T00_NETGEAR"; return;;
19 "Netgear WNDR3400 V1") echo "chk U12H155T00_NETGEAR"; return;;
20 "Netgear WNDR3400 V2") echo "chk U12H187T00_NETGEAR"; return;;
21 "Netgear WNDR3400 V3") echo "chk U12H208T00_NETGEAR"; return;;
22 "Netgear WNDR3400 Vcna") echo "chk U12H155T01_NETGEAR"; return;;
23 "Netgear WNDR3700 V3") echo "chk U12H194T00_NETGEAR"; return;;
24 "Netgear WNDR4000") echo "chk U12H181T00_NETGEAR"; return;;
25 "Netgear WNDR4500 V1") echo "chk U12H189T00_NETGEAR"; return;;
26 "Netgear WNDR4500 V2") echo "chk U12H224T00_NETGEAR"; return;;
27 "Netgear WNR2000 V2") echo "chk U12H114T00_NETGEAR"; return;;
28 "Netgear WNR3500L") echo "chk U12H136T99_NETGEAR"; return;;
29 "Netgear WNR3500U") echo "chk U12H136T00_NETGEAR"; return;;
30 "Netgear WNR3500 V2") echo "chk U12H127T00_NETGEAR"; return;;
31 "Netgear WNR3500 V2vc") echo "chk U12H127T70_NETGEAR"; return;;
32 "Netgear WNR834B V2") echo "chk U12H081T00_NETGEAR"; return;;
33 "Linksys E900 V1") echo "cybertan E900"; return;;
34 "Linksys E1000 V1") echo "cybertan E100"; return;;
35 "Linksys E1000 V2") echo "cybertan E100"; return;;
36 "Linksys E1000 V2.1") echo "cybertan E100"; return;;
37 "Linksys E1200 V2") echo "cybertan E122"; return;;
38 "Linksys E2000 V1") echo "cybertan 32XN"; return;;
39 "Linksys E3000 V1") echo "cybertan 61XN"; return;;
40 "Linksys E3200 V1") echo "cybertan 3200"; return;;
41 "Linksys E4200 V1") echo "cybertan 4200"; return;;
42 "Linksys WRT150N V1.1") echo "cybertan N150"; return;;
43 "Linksys WRT150N V1") echo "cybertan N150"; return;;
44 "Linksys WRT160N V1") echo "cybertan N150"; return;;
45 "Linksys WRT160N V3") echo "cybertan N150"; return;;
46 "Linksys WRT300N V1") echo "cybertan EWCB"; return;;
47 "Linksys WRT300N V1.1") echo "cybertan EWC2"; return;;
48 "Linksys WRT310N V1") echo "cybertan 310N"; return;;
49 "Linksys WRT310N V2") echo "cybertan 310N"; return;;
50 "Linksys WRT610N V1") echo "cybertan 610N"; return;;
51 "Linksys WRT610N V2") echo "cybertan 610N"; return;;
58 magic
=$
(get_magic_long
"$1")
70 magic
=$
(get_magic_long_at
"$1" 14)
71 [ "$magic" = "55324e44" ] && {
79 platform_check_image
() {
80 [ "$#" -gt 1 ] && return 1
82 local file_type
=$
(brcm47xx_identify
"$1")
88 local header_len
=$
((0x$
(get_magic_long_at
"$1" 4)))
89 local board_id_len
=$
(($header_len - 40))
90 local board_id
=$
(dd if="$1" skip
=40 bs
=1 count
=$board_id_len 2>/dev
/null |
hexdump -v -e '1/1 "%c"')
91 local dev_board_id
=$
(platform_expected_image
)
92 echo "Found CHK image with device board_id $board_id"
94 [ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && {
95 echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
99 if ! otrx check
"$1" -o "$header_len"; then
100 echo "No valid TRX firmware in the CHK image"
105 local pattern
=$
(dd if="$1" bs
=1 count
=4 2>/dev
/null |
hexdump -v -e '1/1 "%c"')
106 local dev_pattern
=$
(platform_expected_image
)
107 echo "Found CyberTAN image with device pattern: $pattern"
109 [ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && {
110 echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
114 if ! otrx check
"$1" -o 32; then
115 echo "No valid TRX firmware in the CyberTAN image"
120 if ! otrx check
"$1"; then
121 echo "Invalid (corrupted?) TRX firmware"
126 echo "Invalid image type. Please use only .trx files"
134 platform_trx_from_chk_cmd
() {
135 local header_len
=$
((0x$
(get_magic_long_at
"$1" 4)))
137 echo -n dd bs
=$header_len skip
=1
140 platform_trx_from_cybertan_cmd
() {
141 echo -n dd bs
=32 skip
=1
144 platform_do_upgrade
() {
145 local file_type
=$
(brcm47xx_identify
"$1")
150 "chk") cmd
=$
(platform_trx_from_chk_cmd
"$trx");;
151 "cybertan") cmd
=$
(platform_trx_from_cybertan_cmd
"$trx");;
154 default_do_upgrade
"$trx" "$cmd"