Leaked source code of windows server 2003
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125 lines
2.7 KiB

@rem = '
@perl.exe -w %~f0 %*
@goto :EOF
'; undef @rem;
### checkcrt.bat - list .obj files which import illegal crt functions.
# Recursively scans all .obj files which are in obj\i386\ directories,
# but doesn't recurse into directories called 'test'.
#
# @allowed: List of functions which are allowed as library references,
# because Office implements them.
@allowed = ("__purecall", "__ftol", "__except_handler3");
foreach $a (@allowed) { $allowed{$a}=1; }
## checkObj - checks a given object file for imported names
#
# Scans link /dump /relocations for records that match illegal names
sub checkObj {
my $fn = $_[0];
## Exclude crtcheck.obj - it's part of the solution,
## not part of the problem.
if ($fn =~ /crtcheck.obj$/i) { return; }
$ObjectFilesChecked++;
open(OBJ, "link /dump /relocations $fn |");
while (<OBJ>) {
if (/^ [0-9A-F]+\s+\S+\s+[0-9A-F]+\s+[0-9A-F]+\s+(__imp_)?(\S+)/) {
my $func = $2;
if (exists($illegal{$func})) {
$import{$func}{$fn} = 1;
} else {
# print "Legal: $func\n";
}
}
}
close(OBJ);
}
## processdir
#
# Processes a directory. If this is an obj\i386 directory, calls checkObj
# for every *.obj file.
#
# Then recursively calls processdir for each subdirectory.
sub processdir {
my $dir = $_[0];
my $fn;
my $objdir = 0;
$objdir = 1 if $dir =~ m[/obj/i386$];
opendir(DIR, $dir);
my @files = sort readdir(DIR);
closedir(DIR);
foreach $fn (@files) {
if ($objdir) {
if ($fn =~ /\.obj *$/) {
checkObj("$dir/$fn");
}
}
if (-d "$dir/$fn") {
# Skip directories called ".", "..", or "test"
if ($fn !~ /^(\.)|(\.\.)|(test)$/) {
processdir("$dir/$fn");
}
}
}
}
## GetCRTentryPoints
#
# Uses link /dump on msvcrt.lib to obtain all its function names
sub GetCRTentryPoints()
{
my $crtfn = $ENV{"_NTBINDIR"} . "\\public\\sdk\\lib\\i386\\msvcrt.lib";
if (!-f $crtfn) { die "$crtfn not found.\n"; }
#print "Debug: crtfn = $crtfn\n";
open(LIB, "link /dump /exports $crtfn |");
while (<LIB>) {
if (/^ ([^ \r\n]+)/) {
if (!$allowed{$1}) {
$illegal{$1}++;
# print "Illegal: $1\n";
}
}
}
close(LIB);
}
### MAIN
GetCRTentryPoints();
processdir(".");
foreach $i (sort keys %import) {
print "$i\n";
foreach $fn (sort keys %{ $import{$i} }) {
$fn =~ s[^\./][];
print "\t$fn\n";
}
}
print "\n$ObjectFilesChecked object files checked.\n";