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Diffstat (limited to '')
| -rw-r--r-- | magic/Magdir/tplink | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/magic/Magdir/tplink b/magic/Magdir/tplink new file mode 100644 index 0000000..971f428 --- /dev/null +++ b/magic/Magdir/tplink @@ -0,0 +1,88 @@ + +#------------------------------------------------------------------------------ +# $File: tplink,v 1.7 2021/04/26 15:56:00 christos Exp $ +# tplink: File magic for openwrt firmware files + +# URL: https://wiki.openwrt.org/doc/techref/header +# Reference: https://git.openwrt.org/?p=openwrt.git;a=blob;f=tools/firmware-utils/src/mktplinkfw.c +# From: Joerg Jenderek +# check for valid header version 1 or 2 +0 ulelong <3 +>0 ulelong !0 +# test for header padding with nulls +>>0x100 long 0 +# skip Norton Commander Cleanup Utility NCCLEAN.INI by looking for valid vendor +>>>4 ubelong >0x1F000000 +# skip user.dbt by looking for positive hardware id +>>>>0x40 ubeshort >0 +>>>>>0 use firmware-tplink + +0 name firmware-tplink +>0 ubyte x firmware +!:mime application/x-tplink-bin +!:ext bin +# hardware id like 10430001 07410001 09410004 09410006 +>0x40 ubeshort x %x +>0x42 ubeshort x v%x +# hardware revision like 1 +>0x44 ubelong !1 (revision %u) +# vendor_name[24] like OpenWrt or TP-LINK Technologies +>4 string x %.24s +# fw_version[36] like r49389 or ver. 1.0 +>0x1c string x %.36s +# header version 1 or 2 +>0 ubyte !1 V%X +# ver_hi.ver_mid.ver_lo +>0x98 long !0 \b, version +>>0x98 ubeshort x %u +>>0x9A ubeshort x \b.%u +>>0x9C ubeshort x \b.%u +# region code 0~universal 1~US +>0x48 ubelong x +#>>0x48 ubelong 0 (universal) +>>0x48 ubelong 1 (US) +>>0x48 ubelong >1 (region %u) +# total length of the firmware. not always true +>0x7C ubelong x \b, %u bytes or less +# unknown 1 +>0x48 ubelong !0 \b, UNKNOWN1 %#x +# md5sum1[16] +#>0x4c ubequad x \b, MD5 %llx +#>>0x54 ubequad x \b%llx +# unknown 2 +>0x5c ubelong !0 \b, UNKNOWN2 %#x +# md5sum2[16] +#>0x60 ubequad !0 \b, 2nd MD5 %llx +#>>0x68 ubequad x \b%llx +# unknown 3 +>0x70 ubelong !0 \b, UNKNOWN3 %#x +# kernel load address +#>0x74 ubelong x \b, %#x load +# kernel entry point +#>0x78 ubelong x \b, %#x entry +# kernel data offset. 200h means direct after header +>0x80 ubelong x \b, at %#x +# kernel data length and 1 space +>0x84 ubelong x %u bytes +# look for kernel type (gzip compressed vmlinux.bin by ./compress) +>(0x80.L) indirect x +# root file system data offset +# WRONG in 5.35 with above indirect expression +>0x88 ubelong x \b, at %#x +# rootfs data length and 1 space +>0x8C ubelong x %u bytes +# in 5.32 only true for offset ~< FILE_BYTES_MAX=9 MB defined in ../../src/file.h +>(0x88.L) indirect x +# 'qshs' for wr940nv1_en_3_13_7_up(111228).bin +#>(0x88.L) string x \b, file system '%.4s' +#>(0x88.L) ubequad x \b, file system %#llx +# bootloader data offset +>0x90 ubelong !0 \b, at %#x +# bootloader data length only reasonable if bootloader offset not null +>>0x94 ubelong !0 %u bytes +# pad[354] should be 354 null bytes. +#>0x9E ubequad !0 \b, padding %#llx +# But at 0x120 18 non null bytes in examples like +# wr940nv4_eu_3_16_9_up_boot(160620).bin +# wr940nv6_us_3_18_1_up_boot(171030).bin +#>0x120 ubequad !0 \b, other padding %#llx |