Leaked source code of windows server 2003
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#---------------------------------------------------------------------
package ReadSetupFiles;
#
# Copyright (c) Microsoft Corporation. All rights reserved.
#
# Used to find and parse common setup files like
# dosnet.inf, excdosnt.inf and drvindex.inf
#
#---------------------------------------------------------------------
use strict;
# Local include path
use lib $ENV{ "RazzleToolPath" };
use lib $ENV{ "RazzleToolPath" } . "\\PostBuildScripts";
# Local includes
use Logmsg;
#
# Function:
# GetSetupDir
#
# Arguments:
#
# Sku (scalar) - sku to return setup dir for
#
# Purpose:
# Returns the relative setup dir associated with the sku
# per = perinf, pro=., bla=blainf, sbs=sbsinf, srv=srvinf, ads=entinf, dtc=dtcinf
#
# Returns:
# String representing setup dir
# UNDEF on failure
sub GetSetupDir
{
my $Sku = lc$_[0];
# Pro (wks) setup info is found at the root
if ( $Sku eq 'pro' ) {
return ".";
} elsif ( $Sku eq 'ads' ) {
# ADS used to be called ENT and the files are
# still found under the old name
return "entinf";
} elsif ( $Sku eq 'per' ||
$Sku eq 'bla' ||
$Sku eq 'sbs' ||
$Sku eq 'srv' ||
$Sku eq 'dtc' ) {
return $Sku . "inf";
} else {
# Unrecognized SKU
return;
}
}
#
# Function:
# ReadDosnet
#
# Arguments:
#
# RootPath (scalar) - path to the flat binaries\release share
#
# Sku (scalar) - per, pro, bla, sbs, srv, ads, dtc
#
# Architecture (scalar) - x86, amd64, ia64
#
# Files (array by ref) - Fills array in with files referenced from
# primary location
#
# Secondaryfiles (array by ref) - Fills array in with files referenced from
# secondary location (Win64 WOW files/x86 TabletPC files)
#
# Purpose:
# Reads in a dosnet.inf file, returning the standard files
#
# Returns:
# 1 if successful, undef otherwise
#
sub ReadDosnet
{
my ($RootPath, $Sku, $Architecture, $Files, $SecondaryFiles) = @_;
my ($DosnetPath, $RelativeSetupDir);
my (@FullDosnetLines);
$RelativeSetupDir = GetSetupDir( $Sku );
if ( ! defined $RelativeSetupDir ) {
errmsg( "Unrecognized SKU \"$Sku\"." );
return ();
}
$RootPath =~ s/\\$//;
$DosnetPath = $RootPath . "\\" . $RelativeSetupDir . "\\dosnet.inf";
# Attempt to open the dosnet file
unless ( open DOSNET, $DosnetPath ) {
errmsg( "Failed to open $DosnetPath for reading." );
return ();
}
@FullDosnetLines = <DOSNET>;
close DOSNET;
return ParseDosnetFile( \@FullDosnetLines, $Architecture, $Files, $SecondaryFiles );
}
#
# Function:
# ParseDosnetFile
#
# Arguments:
# DosnetLines (array by ref) - ref to array containing contents
# of a dosnet-style file
#
# Architecture (scalar) - x86, amd64, ia64
#
# Files (array by ref) - ref to array of files referenced from
# the primary location will be stored
#
# SecondaryFiles (array by ref) - ref to array of files referenced from
# secondary location (WOW files for win64/
# TabletPC files for x86)
#
# Purpose:
# Contains the logic to parse a dosnet file
#
# Returns:
# 1 if successful, undef otherwise
#
sub ParseDosnetFile
{
my ( $DosnetLines, $Architecture, $Files, $SecondaryFiles) = @_;
my ($ReadFlag, $Line, $fIsSecondaryFile);
my (%CheckForRedundantFiles, %CheckForRedundantSecondaryFiles);
undef $ReadFlag;
foreach $Line ( @$DosnetLines ) {
chomp( $Line );
next if ( ( length( $Line ) == 0 ) ||
( substr( $Line, 0, 1 ) eq ";" ) ||
( substr( $Line, 0, 1 ) eq "#" ) ||
( substr( $Line, 0, 2 ) eq "@*" ) );
if ( $Line =~ /^\[/ ) { undef $ReadFlag; }
if ( ( $Line =~ /^\[Files\]/ ) ||
( $Line =~ /^\[SourceDisksFiles\]/ ) ) {
$ReadFlag = 1;
} elsif ( $Line =~ /^\[SourceDisksFiles\.$Architecture\]/i ) {
$ReadFlag = 1;
} elsif ( $ReadFlag ) {
my ($MyName, $SrcDir, $Junk);
# Determine if this is a secondary (d2) file
# and strip the source directory
undef $fIsSecondaryFile;
if ( $Line =~ s/^d2\,// ) {
$fIsSecondaryFile = 1;
}
else {
$Line =~ s/^d\d+\,//;
}
( $MyName, $SrcDir ) = split( /\,/, $Line );
( $MyName, $Junk ) = split( /\s/, $MyName );
if ( $fIsSecondaryFile ) {
if ( ($CheckForRedundantSecondaryFiles{ lc $MyName }++) > 1 ) {
logmsg( "WARNING: redundant file $MyName found." );
} else {
push @$SecondaryFiles, $MyName;
}
}
else {
if ( ($CheckForRedundantFiles{ lc $MyName }++) > 1 ) {
logmsg( "WARNING: redundant file $MyName found." );
} else {
push @$Files, $MyName;
}
}
}
}
return 1;
}
#
# Function:
# ReadExcDosnet
#
# Arguments:
#
# RootPath (scalar) - path to the flat binaries\release share
#
# Sku (scalar) - per, pro, bla, sbs, srv, ads, dtc
#
# Files (array by ref) - Fills array in with files listed in excdosnt.inf
#
# Purpose:
# Reads in an excdosnt.inf file, returning the standard files
#
# Returns:
# 1 if successful, undef otherwise
#
sub ReadExcDosnet
{
my ( $RootPath, $Sku, $Files ) = @_;
my ($ExcDosnetPath, $RelativeSetupDir);
my (@FullExcDosnetLines);
$RelativeSetupDir = GetSetupDir( $Sku );
if ( ! defined $RelativeSetupDir ) {
errmsg( "Unrecognized SKU \"$Sku\"." );
return ();
}
$RootPath =~ s/\\$//;
$ExcDosnetPath = $RootPath . "\\" . $RelativeSetupDir . "\\excdosnt.inf";
# Attempt to open the excdosnt file
unless ( open EXCDOSNET, $ExcDosnetPath ) {
errmsg( "Failed to open $ExcDosnetPath for reading." );
return ();
}
@FullExcDosnetLines = <EXCDOSNET>;
close EXCDOSNET;
# Seems to work OK to parse excdosnt file as a dosnet file
return ParseExcDosnetFile( \@FullExcDosnetLines, $Files );
}
#
# Function:
# ParseExcDosnetFile
#
# Arguments:
# ExcDosnetLines (array by ref) - ref to array containing contents
# of an excdosnt-style file
#
# Files (array by ref) - ref to array of files listed in excdosnt.inf
#
# Purpose:
# Contains the logic to parse an excdosnt file
#
# Returns:
# 1 if successful, undef otherwise
#
sub ParseExcDosnetFile
{
my ( $ExcDosnetLines, $Files ) = @_;
my ($ReadFlag, $Line);
my %CheckForRedundantFiles;
undef $ReadFlag;
foreach $Line ( @$ExcDosnetLines ) {
chomp( $Line );
if ( $Line =~ /^\[Files\]/ ) {
$ReadFlag = 1;
} elsif ( $ReadFlag ) {
if ( ($CheckForRedundantFiles{ lc $Line }++) > 1 ) {
logmsg( "WARNING: redundant file $Line found." );
} else {
push @$Files, $Line;
}
}
}
return 1;
}
#
# Function:
# ReadDrvIndex
#
# Arguments:
#
# RootPath (scalar) - path to the flat binaries\release share
#
# Sku (scalar) - per, pro, bla, sbs, srv, ads, dtc
#
# Files (array by ref) - Fills array in with files listed in drvindex.inf
#
# Purpose:
# Reads in a drvindex.inf file, returning the files
#
# Returns:
# 1 if successful, undef otherwise
#
sub ReadDrvIndex
{
my ( $RootPath, $Sku, $Files ) = @_;
my ($DrvIndexPath, $RelativeSetupDir);
my (@FullDrvIndexLines);
$RelativeSetupDir = GetSetupDir( $Sku );
if ( ! defined $RelativeSetupDir ) {
errmsg( "Unrecognized SKU \"$Sku\"." );
return ();
}
$RootPath =~ s/\\$//;
$DrvIndexPath = $RootPath . "\\" . $RelativeSetupDir . "\\drvindex.inf";
# Attempt to open the drvindex file
unless ( open DRVINDEX, $DrvIndexPath ) {
errmsg( "Failed to open $DrvIndexPath for reading." );
return ();
}
@FullDrvIndexLines = <DRVINDEX>;
close DRVINDEX;
# Seems to work OK to parse excdosnt file as a dosnet file
return ParseDrvIndexFile( \@FullDrvIndexLines, $Files );
}
#
# Function:
# ParseDrvIndexFile
#
# Arguments:
# DrvIndexLines (array by ref) - ref to array containing contents
# of a drvindex-style file
#
# Files (array by ref) - ref to array of files listed in drvindex.inf
#
# Purpose:
# Contains the logic to parse a drvindex file
#
# Returns:
# 1 if successful, undef otherwise
#
sub ParseDrvIndexFile
{
my ( $DrvIndexLines, $Files ) = @_;
my ($ReadFlag, $Line);
my %CheckForRedundantFiles;
undef $ReadFlag;
foreach $Line ( @$DrvIndexLines ) {
chomp( $Line );
next if ( 0 == length($Line) || $Line =~ /^\;/ );
if ( $Line =~ /\[driver\]/ ) {
$ReadFlag = 1;
} elsif ( $Line =~ /\[/ ) {
undef $ReadFlag;
} elsif ( $ReadFlag ) {
if ( ($CheckForRedundantFiles{ lc $Line }++) > 1 ) {
logmsg( "WARNING: redundant file $Line found." );
} else {
push @$Files, $Line;
}
}
}
return 1;
}
#
# Function:
# ReadLayout
#
# Arguments:
#
# RootPath (scalar) - path to the flat binaries\release share
#
# Sku (scalar) - per, pro, bla, sbs, srv, ads, dtc
#
# Architecture (scalar) - x86, amd64, ia64
#
# FileHash (hash by ref) - adds files as keys and a hash of attributes as the value
# Known Attributes:
# DiskID
# SubDir
# Size
# Checksum
# Spare1
# Spare2
# BootMediaOrd
# TargetDirectory
# UpgradeDisposition
# TextModeDisposition
# TargetName
# MiniNTSourceDirectory
# MiniNTTargetDirectory
#
# Purpose:
# Reads in a layout.inf file, returning information about the files
#
# Returns:
# 1 if successful, undef otherwise
#
sub ReadLayout
{
my ($RootPath, $Sku, $Architecture, $FileHash) = @_;
my ($LayoutPath, $RelativeSetupDir);
my (@FullLayoutLines);
$RelativeSetupDir = GetSetupDir( $Sku );
if ( ! defined $RelativeSetupDir ) {
errmsg( "Unrecognized SKU \"$Sku\"." );
return ();
}
$RootPath =~ s/\\$//;
$LayoutPath = $RootPath . "\\" . $RelativeSetupDir . "\\layout.inf";
# Attempt to open the layout file
unless ( open LAYOUT, $LayoutPath ) {
errmsg( "Failed to open $LayoutPath for reading ($!)." );
return;
}
@FullLayoutLines = <LAYOUT>;
close LAYOUT;
return ParseLayoutFile( \@FullLayoutLines, $Architecture, $FileHash );
}
#
# Function:
# ParseLayoutFile
#
# Arguments:
# LayoutLines (array by ref) - ref to array containing contents
# of a layout-style file
#
# Architecture (scalar) - x86, amd64, ia64
#
# FileHash (hash by ref) - ref to hash which will get files as keys
# and a hash of attributes as values
# Known Attributes:
# DiskID
# SubDir
# Size
# Checksum
# Spare1
# Spare2
# BootMediaOrd
# TargetDirectory
# UpgradeDisposition
# TextModeDisposition
# TargetName
# MiniNTSourceDirectory
# MiniNTTargetDirectory
#
# Purpose:
# Contains the logic to parse a layout file
#
# Returns:
# 1 if successful, undef otherwise
#
sub ParseLayoutFile
{
my ( $LayoutLines, $Architecture, $FileHash) = @_;
my ($ReadFlag, $Line);
my (%CheckForRedundantFiles);
# Return a compressed, comment-free, variable substituted form of layout
my @processedLayout = ProcessLayoutLines($LayoutLines);
my %strings;
undef $ReadFlag;
foreach $Line ( @processedLayout ) {
if ( $Line =~ /^\[/ ) { undef $ReadFlag; }
if ( ( $Line =~ /^\[Files\]/ ) ||
( $Line =~ /^\[SourceDisksFiles\]/ ) ) {
$ReadFlag = 1;
} elsif ( $Line =~ /^\[SourceDisksFiles\.$Architecture\]/i ) {
$ReadFlag = 1;
} elsif ( $ReadFlag ) {
if ( $Line =~ /^([^\s]+)\s*=\s*(.*[^\s])\s*$/ ) {
# Put a newline at the end so that split will work like we want it to
my $field_info = "$2\n";
my @fields = split ',', $field_info;
if ( @fields < 9 || @fields > 13 ) {
wrnmsg( "Unrecognized line: $Line" );
next;
}
# remove the newline we added
chomp $fields[$#fields];
my %fileInfo = ( DiskID => $fields[0],
SubDir => $fields[1],
Size => $fields[2],
Checksum => $fields[3],
Spare1 => $fields[4],
Spare2 => $fields[5],
BootMediaOrd => $fields[6],
TargetDirectory => $fields[7],
UpgradeDisposition => $fields[8],
TextModeDisposition => $fields[9],
TargetName => $fields[10]?$fields[10]:'',
MiniNTSourceDirectory => $fields[11]?$fields[11]:'',
MiniNTTargetDirectory => $fields[12]?$fields[12]:'' );
if ( exists $FileHash->{$1} ) {
wrnmsg( "Multiple entries for file $1 found." );
}
$FileHash->{$1} = \%fileInfo;
}
else {
wrnmsg( "Unrecognized line: $Line" );
}
}
}
return 1;
}
sub ProcessLayoutLines
{
my $lines = shift;
my @tokenizedLines;
my @processedLines;
my $nextLine = '';
my @string_section_offsets;
my %var_lookup;
my ($i, $j);
foreach ( @$lines )
{
# pre-processor comment
if ( /^@\*/ ) { next; }
# line is continued
if ( s/\\\s*$/ / ) {
$nextLine .= $_;
next;
}
# non-continued line (or last line of a continue line)
else {
$nextLine .= $_;
}
# remove leading space / trailing space
$nextLine =~ s/^\s*//;
$nextLine =~ s/\s*$//;
# Skip empty lines
if ( !$nextLine ) { next }
# Specifically want to end the lines with a
# newline so split will work how we want it to
$nextLine .= "\n";
my @tokenized;
my @quote_split = split '"', $nextLine;
#
# Token types:
# 0 - standard text
# 1 - quoted text
# 2 - variable (in %%)
# 3 - quoted variable (%*% inside quotes)
#
for ( $i = 0; $i < @quote_split; $i++ ) {
# empty quotes aren't going to contain any %'s
if ( $i % 2 && !$quote_split[$i] ) {
push @tokenized, ['', 1];
}
my @percent_split = split '%', $quote_split[$i];
for ( $j = 0; $j < @percent_split; $j++ ) {
if ( $j % 2 ) {
# Variable string (in %%)
push @tokenized, [$percent_split[$j], ($i % 2 ? 3:2)];
}
else {
# Not in %%
push @tokenized, [$percent_split[$j], ($i % 2 ? 1:0)];
}
}
}
# comment check (;)
# ";" and %;% are not comments
for ( $i = 0; $i < @tokenized; $i++ ) {
if ( $tokenized[$i]->[1] == 0 &&
$tokenized[$i]->[0] =~ s/;.*// ) {
splice @tokenized, $i + 1;
last;
}
}
if ( @tokenized > 1 ||
length($tokenized[0]->[0]) > 1 ) {
push @tokenizedLines, \@tokenized;
# look for [Strings] as we will need it later
if ( $nextLine =~ /^\[Strings\]/i ) {
push @string_section_offsets, scalar(@tokenizedLines);
}
}
# get the next line
$nextLine = '';
}
# Now build a list of variables and their values from the [Strings] section
foreach ( @string_section_offsets ) {
my $i;
for ( $i = $_ + 1; $i < @tokenizedLines; $i++ ) {
my $tokens = $tokenizedLines[$i];
# hit another section -- done
if ( $tokens->[1] == 0 &&
$tokens->[0] =~ /^\[/ ) {
last;
}
my $entry = BuildLayoutLineFromTokens( $tokens, {} );
my ($key, $value) = $entry =~ /\s*([^\s=]+)\s*=\s*(.*)/;
if ( $key && $value ) {
$var_lookup{lc$key} = $value;
}
}
}
# Rebuild the lines, replacing variables if we know the values
foreach ( @tokenizedLines ) {
my $new_entry = BuildLayoutLineFromTokens( $_, \%var_lookup );
# chomp the lines here as we added a newline
chomp $new_entry;
push @processedLines, $new_entry;
}
return @processedLines;
}
sub BuildLayoutLineFromTokens
{
my ($token_list, $var_lookup) = @_;
my $line = '';
my $fInQuote;
my $fInVar;
foreach ( @$token_list ) {
if ( 0 == $_->[1] ) {
if ( $fInQuote ) {
$line .= '"';
undef $fInQuote;
}
elsif ( $fInVar ) {
$line .= '%';
undef $fInVar;
}
$line .= $_->[0];
}
elsif ( 1 == $_->[1] ) {
if ( $fInVar ) {
$line .= '%';
undef $fInVar;
}
$line .= '"';
$fInQuote = 1;
$line .= $_->[0];
}
elsif ( 2 == $_->[1] ) {
if ( $fInQuote ) {
$line .= '"';
undef $fInQuote;
}
if ( exists $var_lookup->{lc$_->[0]} ) {
$line .= $var_lookup->{lc$_->[0]};
}
else {
$line .= '%';
$fInVar = 1;
$line .= $_->[0];
}
}
elsif ( 3 == $_->[1] ) {
if ( exists $var_lookup->{lc$_->[0]} ) {
$line .= $var_lookup->{lc$_->[0]};
}
else {
$line .= '%';
$fInVar = 1;
$line .= $_->[0];
}
}
else {
wrnmsg( "Internal error parsing layout lines (token-type = $_->[1])" );
next;
}
}
return $line;
}
1;