3 # $(1): file to read magic from
4 # $(2): offset in bytes
6 dd if="$1" skip
=$2 bs
=1 count
=4 2>/dev
/null |
hexdump -v -n 4 -e '1/1 "%02x"'
10 grep "machine" /proc
/cpuinfo |
sed "s/.*:[ \t]*//"
13 platform_expected_chk_board_id
() {
14 local machine
=$
(platform_machine
)
17 "Netgear WGR614 V8") echo "U12H072T00_NETGEAR"; return;;
18 "Netgear WGR614 V9") echo "U12H094T00_NETGEAR"; return;;
19 "Netgear WGR614 V10") echo "U12H139T01_NETGEAR"; return;;
20 "Netgear WNDR3300") echo "U12H093T00_NETGEAR"; return;;
21 "Netgear WNDR3400 V1") echo "U12H155T00_NETGEAR"; return;;
22 "Netgear WNDR3400 V2") echo "U12H187T00_NETGEAR"; return;;
23 "Netgear WNDR3400 V3") echo "U12H208T00_NETGEAR"; return;;
24 "Netgear WNDR3400 Vcna") echo "U12H155T01_NETGEAR"; return;;
25 "Netgear WNDR3700 V3") echo "U12H194T00_NETGEAR"; return;;
26 "Netgear WNDR4000") echo "U12H181T00_NETGEAR"; return;;
27 "Netgear WNDR4500 V1") echo "U12H189T00_NETGEAR"; return;;
28 "Netgear WNDR4500 V2") echo "U12H224T00_NETGEAR"; return;;
29 "Netgear WNR2000 V2") echo "U12H114T00_NETGEAR"; return;;
30 "Netgear WNR3500L") echo "U12H136T99_NETGEAR"; return;;
31 "Netgear WNR3500U") echo "U12H136T00_NETGEAR"; return;;
32 "Netgear WNR3500 V2") echo "U12H127T00_NETGEAR"; return;;
33 "Netgear WNR3500 V2vc") echo "U12H127T70_NETGEAR"; return;;
34 "Netgear WNR834B V2") echo "U12H081T00_NETGEAR"; return;;
38 platform_expected_cybertan_pattern
() {
39 local machine
=$
(platform_machine
)
42 "Linksys E900 V1") echo "E900"; return;;
43 "Linksys E1000 V1") echo "E100"; return;;
44 "Linksys E1000 V2") echo "E100"; return;;
45 "Linksys E1000 V2.1") echo "E100"; return;;
46 "Linksys E1200 V2") echo "E122"; return;;
47 "Linksys E2000 V1") echo "32XN"; return;;
48 "Linksys E3000 V1") echo "61XN"; return;;
49 "Linksys E3200 V1") echo "3200"; return;;
50 "Linksys E4200 V1") echo "4200"; return;;
51 "Linksys WRT150N V1.1") echo "N150"; return;;
52 "Linksys WRT150N V1") echo "N150"; return;;
53 "Linksys WRT160N V1") echo "N150"; return;;
54 "Linksys WRT160N V3") echo "N150"; return;;
55 "Linksys WRT300N V1.1") echo "EWCB"; return;;
56 "Linksys WRT310N V1") echo "310N"; return;;
57 "Linksys WRT310N V2") echo "310N"; return;;
58 "Linksys WRT610N V1") echo "610N"; return;;
59 "Linksys WRT610N V2") echo "610N"; return;;
66 magic
=$
(get_magic_long
"$1")
78 magic
=$
(get_magic_long_at
"$1" 14)
79 [ "$magic" = "55324e44" ] && {
87 platform_check_image
() {
88 [ "$#" -gt 1 ] && return 1
90 local file_type
=$
(brcm47xx_identify
"$1")
96 local header_len
=$
((0x$
(get_magic_long_at
"$1" 4)))
97 local board_id_len
=$
(($header_len - 40))
98 local board_id
=$
(dd if="$1" skip
=40 bs
=1 count
=$board_id_len 2>/dev
/null |
hexdump -v -e '1/1 "%c"')
99 local dev_board_id
=$
(platform_expected_chk_board_id
)
100 echo "Found CHK image with device board_id $board_id"
102 [ -n "$dev_board_id" -a "$board_id" != "$dev_board_id" ] && {
103 echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
107 magic
=$
(get_magic_long_at
"$1" "$header_len")
108 [ "$magic" != "48445230" ] && {
109 echo "No valid TRX firmware in the CHK image"
114 local pattern
=$
(dd if="$1" bs
=1 count
=4 2>/dev
/null |
hexdump -v -e '1/1 "%c"')
115 local dev_pattern
=$
(platform_expected_cybertan_pattern
)
116 echo "Found CyberTAN image with device pattern: $pattern"
118 [ -n "$dev_pattern" -a "$pattern" != "$dev_pattern" ] && {
119 echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
123 magic
=$
(get_magic_long_at
"$1" 32)
124 [ "$magic" != "48445230" ] && {
125 echo "No valid TRX firmware in the CyberTAN image"
132 echo "Invalid image type. Please use only .trx files"
140 platform_do_upgrade_chk
() {
141 local header_len
=$
((0x$
(get_magic_long_at
"$1" 4)))
142 local trx
="/tmp/$1.trx"
144 dd if="$1" of
="$trx" bs
=$header_len skip
=1
146 default_do_upgrade
"$trx" "$@"
149 platform_do_upgrade_cybertan
() {
150 local trx
="/tmp/$1.trx"
152 dd if="$1" of
="$trx" bs
=32 skip
=1
154 default_do_upgrade
"$trx" "$@"
157 platform_do_upgrade
() {
158 local file_type
=$
(brcm47xx_identify
"$1")
161 "chk") platform_do_upgrade_chk
"$ARGV";;
162 "cybertan") platform_do_upgrade_cybertan
"$ARGV";;
163 *) default_do_upgrade
"$ARGV";;