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- #------------------------------------------------------------------------------
- # $File: tplink,v 1.8 2023/05/15 16:41:02 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
- # http://mark0.net/download/triddefs_xml.7z/defs/b/bin-tplink-v1.trid.xml
- # Note: called "TP-Link router firmware (v1)" by TrID
- # 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 name
- >>>4 ubelong >0x1F000000
- # skip user.dbt by looking for positive hardware id
- >>>>0x40 ubeshort >0
- # skip cversions.1.db cversions.2.db cversions.3.db inside
- # c:\ProgramData\Microsoft\Windows\Caches
- # with invalid vendor names \240\0\0\0 \140\0\0\0 \040\0\0\0
- >>>>>5 short !0
- >>>>>>0 use firmware-tplink
- 0 name firmware-tplink
- >0 ubyte x firmware
- !:mime application/x-tplink-bin
- # like: TL-WR1043ND-V1-FW0.0.3-stripped.bin gluon-ffrefugee-0.9.2-tp-link-archer-c5-v1-sysupgrade.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
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