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Windows: find DLLs recursively at installation
This commit is contained in:
Jay Berkenbilt
parent
70949cb4cb
commit
55f19d3e1b
135
copy_dlls
Executable file → Normal file
135
copy_dlls
Executable file → Normal file
@ -11,33 +11,6 @@ usage() unless @ARGV == 4;
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my ($file, $destdir, $objdump, $windows_wordsize) = @ARGV;
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my $filedir = dirname($file);
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my %dlls = ();
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my $format = undef;
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open(O, "$objdump -p $file|") or die "$whoami: can't run objdump\n";
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while (<O>)
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{
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if (m/^\s+DLL Name:\s+(.+\.dll)/i)
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{
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my $dll = $1;
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$dll =~ tr/A-Z/a-z/;
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next if $dll =~ m/^(kernel32|user32|msvcrt|advapi32)\.dll$/;
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$dlls{$dll} = 1;
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}
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elsif (m/^Magic.*\((PE.+?)\)/)
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{
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$format = $1;
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}
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}
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close(O);
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if (! defined $format)
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{
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die "$whoami: can't determine format of $file\n";
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}
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# Search the directories named in the file's manifest (if present),
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# the file's directory, the current directory, and the path for dlls
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# since that's what Windows does. Be sure to only capture compatible
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# DLLs.
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my $sep = ($^O eq 'MSWin32' ? ';' : ':');
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my @path = ($filedir, '.', split($sep, $ENV{'PATH'}));
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foreach my $var (qw(LIB))
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@ -47,10 +20,6 @@ foreach my $var (qw(LIB))
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push(@path, split($sep, $ENV{$var}));
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}
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}
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if (-f "$file.manifest")
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{
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unshift(@path, get_manifest_dirs("$file.manifest"));
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}
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my $redist_suffix = (($windows_wordsize eq '64') ? "x64" : "x86");
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if (exists $ENV{'VCINSTALLDIR'})
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{
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@ -68,22 +37,31 @@ if (exists $ENV{'VCINSTALLDIR'})
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}
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}
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}
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if (exists $ENV{'UNIVERSALCRTSDKDIR'})
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if (exists $ENV{'UniversalCRTSdkDir'})
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{
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my $redist = $ENV{'UNIVERSALCRTSDKDIR'} . "/Redist/ucrt/DLLs/$redist_suffix";
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my $redist = $ENV{'UniversalCRTSdkDir'} . "/Redist/ucrt/DLLs/$redist_suffix";
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unshift(@path, $redist);
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}
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my @final = ();
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my $format = undef;
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my @to_find = get_dlls($file);
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my %final = ();
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my @notfound = ();
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dll_loop:
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foreach my $dll (sort keys %dlls)
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while (@to_find)
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{
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my $dll = shift(@to_find);
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my $found = 0;
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foreach my $dir (@path)
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{
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if ((-f "$dir/$dll") && is_format("$dir/$dll", $format))
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{
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push(@final, "$dir/$dll");
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if (! exists $final{$dll})
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{
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$final{$dll} = "$dir/$dll";
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push(@to_find, get_dlls("$dir/$dll"));
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}
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$found = 1;
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last;
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}
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@ -93,21 +71,48 @@ foreach my $dll (sort keys %dlls)
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push(@notfound, $dll);
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}
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}
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if (@notfound)
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{
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die "$whoami: can't find the following dlls: " .
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join(', ', @notfound), "\n";
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}
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foreach my $f (@final)
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foreach my $dll (sort keys (%final))
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{
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my $f = $final{$dll};
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$f =~ s,\\,/,g;
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print "Copying $f to $destdir\n";
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system("cp -p '$f' '$destdir'") == 0 or
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die "$whoami: copy $f to $destdir failed\n";
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}
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sub get_dlls
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{
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my @result = ();
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my $exe = shift;
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open(O, "$objdump -p $exe|") or die "$whoami: can't run objdump\n";
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while (<O>)
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{
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if (m/^\s+DLL Name:\s+(.+\.dll)/i)
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{
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my $dll = $1;
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$dll =~ tr/A-Z/a-z/;
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next if $dll =~ m/^(kernel32|user32|msvcrt|advapi32)\.dll$/;
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push(@result, $dll);
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}
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elsif (m/^Magic.*\((PE.+?)\)/)
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{
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$format = $1;
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}
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}
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close(O);
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if (! defined $format)
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{
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die "$whoami: can't determine format of $exe\n";
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}
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@result;
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}
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sub is_format
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{
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my ($file, $format) = @_;
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@ -133,58 +138,6 @@ sub is_format
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$result;
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}
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sub get_manifest_dirs
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{
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# Find all system directories in which to search for DLLs based on
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# the contents of a Visual Studio manifest file.
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my $manifest_file = shift;
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require XML::Parser;
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my $sysroot = $ENV{'SYSTEMROOT'} or die "$whoami: can't get \$SYSTEMROOT\n";
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$sysroot =~ s,\\,/,g;
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if ($^O eq 'cygwin')
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{
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chop($sysroot = `cygpath $sysroot`);
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die "$whoami: can't get system root" unless $? == 0;
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}
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my $winsxs = "$sysroot/WinSxS";
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opendir(D, $winsxs) or die "$whoami: can't opendir $winsxs: $!\n";
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my @entries = readdir(D);
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closedir(D);
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my @candidates = ();
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my $readAssemblyIdentity = sub
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{
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my ($parser, $element, %attrs) = @_;
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return unless $element eq 'assemblyIdentity';
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my $type = $attrs{'type'};
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my $name = $attrs{'name'};
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my $version = $attrs{'version'};
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my $processorArchitecture = $attrs{'processorArchitecture'};
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my $publicKeyToken = $attrs{'publicKeyToken'};
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my $dir_start = join('_',
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$processorArchitecture,
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$name,
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$publicKeyToken,
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$version);
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push(@candidates, $dir_start);
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};
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my $p = new XML::Parser(Handlers => {'Start' => $readAssemblyIdentity});
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$p->parsefile($manifest_file);
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my @dirs = ();
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foreach my $c (@candidates)
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{
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push(@dirs, map { "$winsxs/$_" } (grep { m/^\Q$c\E/i } @entries));
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}
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@dirs;
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}
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sub usage
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{
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die "Usage: $whoami {exe|dll} destdir\n";
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