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Add extractor for p15, and some misc docs

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master
Hamish Coleman 2 years ago
parent 4538102569
commit 1b1ff90d06
4 changed files with 36 additions and 6 deletions
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4
Descriptions.txt
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@ -186,6 +186,7 @@ h3uj79wd.iso sha1:f1404fd6724c0faa5b57aee0d81c60908b9917c6 e330 BIOS 1.16 (H3ET
h6uja0wd.iso sha1:19a05355c793b3f776c3130caa5f10e371f530c0 T430u BIOS 2.18 (H6ETA0WW) EC 2.01 (H6HT54WW)
h9et75ww.zip sha1:d81c145b371cf77abe6ae00d35d37491715feecd b590,b490 BIOS ?.? (H9ET75WW) EC 1.01 (H9EC08WW)
h9et92ww.exe sha1:c1a3ba9282fe48a9e6f69e4dd32537c10a710e78 b590,b490 BIOS ?.? (H9ET92WW) EC 1.02 (H9EC09WW)
heuj19wd.iso sha1:0c060fa56828d09918ff51d61c26a5ec7f7bcff8 E431/E538 BIOS 1.33 (HEET52WW) EC 1.31 (HEHT50WW)
n10ur10w.iso sha1:0e4c4ffb99146e50867dc1345ee2ef88c60ea192 x250 BIOS 1.21 (N10ET42W) EC 1.16 (N10HT17W)
n14ur15w.iso sha1:e106b024b1d448234e5ea958b0e8e93bbda1a543 x1 Carbon (Type 20BS, 20BT) BIOS 1.16 (N14ET38W) EC 1.09 (N14HT36W)
n1mur06w.iso sha1:e2bed755c065daf83cabc130b8d65c08e6a6a391 x1 Carbon (Type 20HQ, 20HR, 20K3, 20K4) BIOS 1.20 (N1MET35W) EC 1.14 (N1MHT25W)
@ -205,6 +206,7 @@ n24ur03w.iso sha1:FIXME t480 BIOS 1.11 (N24E
n24ur04w.iso sha1:134b239e4ce4c9c2d1f5f8f645f279c162fc5f3e t480 BIOS 1.12 (N24ET37W) EC 1.08 (N24HT23W)
n2jur16w.iso sha1:FIXME T490s, X390 BIOS 1.51 (N2JET73W) EC 1.12 (N2JHT28W)
n2jur17w.iso sha1:be7598ac64e9c3f2aab60ca890175d0adac010b9 T490s, X390 BIOS 1.55 (N2JET77W) EC 1.13 (N2JHT29W)
n30ur13w.iso sha1:1b358b9485f3a42c226456ccb038a9e6f7cd6284 p15
r02uj46d.iso sha1:876a68add32d9c961cbdf80c74b88f92a66443cf x260 BIOS 1.19 (R02ET46W) EC 1.11 (R02HT29W)
r0fuj15wd.iso sha1:bab0722d72375d1c9190b2c47ab7b4eb4c0dfde0 t470p BIOS 1.22 (R0FET42W) EC 1.04 (R0FHT16W)
r0iuj09wd.iso sha1:21b3abf69b9ee7ecf12fe0880564312122b1ff75 x270 BIOS 1.16 (R0IET38W) EC 1.12 (R0IHT30W)
@ -238,6 +240,7 @@ l440.J4HT27WW.s0AJ4000.FL1 rule:FL2,dep:j4uj62wd.iso,param:0AJ4000.FL1
l440.J4HT28WW.s0AJ4000.FL1 rule:FL2,dep:j4uj64wd.iso,param:0AJ4000.FL1 l440 BIOS 1.78 Flash File
l440.J4HT29WW.s0AJ4000.FL1 rule:FL2,dep:j4uj65wd.iso,param:0AJ4000.FL1 l440 BIOS 1.81 Flash File
l440.J4HT30WW.s0AJ4000.FL1 rule:FL2,dep:j4uj75wd.iso,param:0AJ4000.FL1 l440 BIOS 1.93 Flash File
p15.N30HT33W.s0AN3000.FL2 rule:FL2,dep:n30ur13w.iso,param:0AN3000.FL2 p15
p51.N1UHT24W.s0AN1U00.FL2 rule:FL2,dep:n1uur12w.iso,param:0AN1U00.FL2 p51 EC 1.07 Flash File
t430.G1HT34WW.s01D2000.FL2 rule:FL2,dep:g1uj25us.iso,depi:g1uj25us.iso.bat,param:01D2000.FL2 t430 EC 1.12 Flash File
t430.G1HT35WW.s01D2000.FL2 rule:FL2,dep:g1uj48us.iso,depi:g1uj48us.iso.bat,param:01D2000.FL2 t430 EC 1.13 Flash File
@ -294,6 +297,7 @@ e330.H3EC35WW.img rule:IMGnuvoton,dep:e330.H3EC35WW.s01H3000.FL1 e330 EC 1.
l430.G3HT40WW.img rule:IMGnuvoton,dep:l430.G3HT40WW.s01D4000.FL1 l430 EC 1.14 (not encrypted) (CR16CPlus cpu)
l440.J4HT29WW.img rule:IMGnoenc,dep:l440.J4HT29WW.s0AJ4000.FL1 l440 EC 1.10
l440.J4HT30WW.img rule:IMGnoenc,dep:l440.J4HT30WW.s0AJ4000.FL1 l440 EC 1.11
p15.N30HT33W.img rule:IMGnoenc,dep:p15.N30HT33W.s0AN3000.FL2 p15 EC
p51.N1UHT24W.img rule:IMGnoenc,dep:p51.N1UHT24W.s0AN1U00.FL2 p51 EC 1.07
t430.G1HT34WW.img rule:IMG,dep:t430.G1HT34WW.s01D2000.FL2 t430 EC 1.12 (decrypted) (ARCompact cpu)
t430.G1HT35WW.img rule:IMG,dep:t430.G1HT35WW.s01D2000.FL2 t430 EC 1.13 (decrypted) (ARCompact cpu)

9
Makefile
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@ -112,7 +112,14 @@ export MTOOLS_SKIP_CHECK=1
export MTOOLS_LOWER_CASE=0
build-deps:
apt -y install git mtools libssl-dev build-essential xorriso unzip innoextract
apt -y install \
git \
mtools \
libssl-dev \
build-essential \
xorriso \
unzip \
innoextract \
#
# Radare didnt seem to let me specify the directory to store the project file,

5
docs/firmware_download.txt
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@ -7,9 +7,14 @@ latest versions.
These pages provide the the description, checksum and binaries for the
bootable BIOS update CD images for both the current and historical releases.
b580 FIXME
b590 FIXME
e330 https://support.lenovo.com/hk/en/downloads/DS031908
e531 FIXME
l430 https://pcsupport.lenovo.com/us/en/downloads/DS029124
l440 https://pcsupport.lenovo.com/gb/en/downloads/DS037264
p15 https://pcsupport.lenovo.com/us/en/downloads/ds546302
p15g2 https://pcsupport.lenovo.com/us/en/downloads/ds551321
p51 https://pcsupport.lenovo.com/us/en/downloads/DS121296
t430 https://pcsupport.lenovo.com/gb/en/downloads/DS029252
t430s https://pcsupport.lenovo.com/gb/en/downloads/DS029724

24
scripts/FL2_copyIMG
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@ -106,6 +106,7 @@ sub _check_copyright {
my @offsets = (
0x268, # ARCompact 32bit platforms
0x264, # older 16bit platforms
0x1480, # _EC file with second header (p15)
);
while (@offsets) {
@ -489,6 +490,7 @@ sub _check {
# We also store the encryption flag in here
my $known = {
196896 => 'yes',
229728 => 'unk', # p15
262176 => 'no',
286752 => 'no',
};
@ -497,7 +499,7 @@ sub _check {
my $header_size = 0x20;
my $trailer_size = 0x100;
my $buf = $self->get_block($header_offset, $header_size);
my $buf = $self->get_block($header_offset, $header_size+0x20);
if (!defined($buf)) {
log::add("bad get_block");
@ -507,8 +509,9 @@ sub _check {
my @fields = qw(
signature version filesize imgsize hash_algo sign_algo
hash_crc16 header_crc16 unk1
signature2 unk2 imgmax imgsize2
);
my @values = unpack("a3CVVVVSSC",$$buf);
my @values = unpack("a3CVVVVSSa8a4a17VV",$$buf);
map { $self->{header}{$fields[$_]} = $values[$_] } (0..scalar(@fields)-1);
if ($self->{header}{signature} ne "_EC") {
@ -529,16 +532,27 @@ sub _check {
return undef;
}
if ($self->{header}{imgsize}+$header_size+$trailer_size == $self->{filesize}) {
my $imgsize = $self->{header}{imgsize};
if ($self->{header}{signature2} eq "^M;*") {
# a second header with a different imgsize value in it !?
log::add("found signature2");
$header_size = 0x60;
$imgsize = $self->{header}{imgsize2};
}
if ($imgsize+$header_size+$trailer_size == $self->{filesize}) {
# there is an additional block of 0x100 appended to the FL2, outside
# of the header defined IMG file
# - I expect this is the digital signature
$self->{flag}{trailer}="external";
} elsif ($self->{header}{imgsize}+$header_size == $self->{filesize}) {
log::add("trailer external");
} elsif ($imgsize+$header_size == $self->{filesize}) {
# the additional block still looks like it is there, but they have
# changed the accounting to count it in the IMG - these files are also
# significantly larger in size
$self->{flag}{trailer}="internal";
log::add("trailer internal");
} else {
log::add("unexpected filesize/imgsize results");
return undef;
@ -549,7 +563,7 @@ sub _check {
$self->{flag}{encrypted} = $known->{$self->{filesize}};
$self->set_offset_size($header_size, $self->{header}{imgsize});
$self->set_offset_size($header_size, $imgsize);
return $self->_check_copyright();
}

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