OpenWrt – Blame information for rev 4

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Rev:
Rev Author Line No. Line
4 office 1 PART_NAME=firmware
2  
3 # $(1): file to read magic from
4 # $(2): offset in bytes
5 get_magic_long_at() {
6 dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
7 }
8  
9 platform_expected_image() {
10 local machine=$(board_name)
11  
12 case "$machine" in
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;;
52 esac
53 }
54  
55 brcm47xx_identify() {
56 local magic
57  
58 magic=$(get_magic_long "$1")
59 case "$magic" in
60 "48445230")
61 echo "trx"
62 return
63 ;;
64 "2a23245e")
65 echo "chk"
66 return
67 ;;
68 esac
69  
70 magic=$(get_magic_long_at "$1" 14)
71 [ "$magic" = "55324e44" ] && {
72 echo "cybertan"
73 return
74 }
75  
76 echo "unknown"
77 }
78  
79 platform_check_image() {
80 [ "$#" -gt 1 ] && return 1
81  
82 local file_type=$(brcm47xx_identify "$1")
83 local magic
84 local error=0
85  
86 case "$file_type" in
87 "chk")
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 $board_id"
93  
94 [ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && {
95 echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
96 error=1
97 }
98  
99 if ! otrx check "$1" -o "$header_len"; then
100 echo "No valid TRX firmware in the CHK image"
101 error=1
102 fi
103 ;;
104 "cybertan")
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: $pattern"
108  
109 [ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && {
110 echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
111 error=1
112 }
113  
114 if ! otrx check "$1" -o 32; then
115 echo "No valid TRX firmware in the CyberTAN image"
116 error=1
117 fi
118 ;;
119 "trx")
120 if ! otrx check "$1"; then
121 echo "Invalid (corrupted?) TRX firmware"
122 error=1
123 fi
124 ;;
125 *)
126 echo "Invalid image type. Please use only .trx files"
127 error=1
128 ;;
129 esac
130  
131 return $error
132 }
133  
134 platform_trx_from_chk_cmd() {
135 local header_len=$((0x$(get_magic_long_at "$1" 4)))
136  
137 echo -n dd bs=$header_len skip=1
138 }
139  
140 platform_trx_from_cybertan_cmd() {
141 echo -n dd bs=32 skip=1
142 }
143  
144 platform_do_upgrade() {
145 local file_type=$(brcm47xx_identify "$1")
146 local trx="$1"
147 local cmd=""
148  
149 case "$file_type" in
150 "chk") cmd=$(platform_trx_from_chk_cmd "$trx");;
151 "cybertan") cmd=$(platform_trx_from_cybertan_cmd "$trx");;
152 esac
153  
154 default_do_upgrade "$trx" "$cmd"
155 }