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script/pl2exe.pl  view on Meta::CPAN

# Next comes the code.
# It performs fixups, prepends "perl -x " to the command line,
# launches perl, and returns perl's exit status. See at the end.

print OUT pack ("H*", "b8cc114000833dcc1140000074168b1085d27d06");
print OUT pack ("H*", "01500483c004ff0283c00483380075eaa1481140");
print OUT pack ("H*", "00ffd089c389c731c0b9f7fffffffcf2ae89f829");
print OUT pack ("H*", "d883e1fc01ccbec311400089e7b908000000f3a4");
print OUT pack ("H*", "89de89c1f3a489e383ec7cb91b00000089e731c0");
print OUT pack ("H*", "f3ab895c2404c74424284400000089e083c02889");
print OUT pack ("H*", "44242083c04489442424a140114000ffd021c075");
print OUT pack ("H*", "046a64eb258b4424446aff50a14c114000ffd021");
print OUT pack ("H*", "c074046a65eb0f8b4424446a665450a150114000");
print OUT pack ("H*", "ffd0a144114000ffd0");

print OUT "\015\012\015\012";
print OUT "-------here's the data, at file offset 760: -------";
print OUT "\015\012\015\012";

# Print out a dummy relocation table.
# The code is not relocatable--it must be loaded at 0x400000.
# But to allow programs to load it with LoadLibrary() and access
# its resources, the file must contain this table.
print OUT pack ('LL', 0x1000,8);

# The import table.  Contains RVAs and names.
# (we import 5 functions from KERNEL32.DLL)
print OUT pack ('L5', 0x1128, # (unbound IAT)
                      0,      # TimeDateStamp
                      0,      # ForwarderChain
                      0x1158, # DLL Name RVA
		      0x1140);# Import Address Table RVA
print OUT pack ('L5', 0,0,0,0,0); # Ordinals of our KERNEL32 names, 0=unused
print OUT pack ('L6', 0x1166, 0x1178, 0x1186, 0x1198, 0x11ae, 0);
# Not sure if we really need to do this twice, but why argue:
print OUT pack ('L6', 0x1166, 0x1178, 0x1186, 0x1198, 0x11ae, 0);
# Gee it would be nice if C<pack> knew how to align things...
print OUT "KERNEL32.DLL\0\0";
print OUT "\0\0CreateProcessA\0\0"; 	# 1140
print OUT "\0\0ExitProcess\0";		# 1144
print OUT "\0\0GetCommandLineA\0";	# 1148
print OUT "\0\0WaitForSingleObject\0";	# 114c
print OUT "\0\0GetExitCodeProcess\0";	# 1150

# Our initialized data:
print OUT "perl -x \0"; # 11c3
# align 4
print OUT pack ('L*', 0);

# Let Perl know we're done.  We no longer care about CRLF.
print OUT "\nEXE_STUFF\nif 0;\n\n";

$_ = <IN>;
unless ($_ =~ /^\#!.*perl/ ) {
    print OUT "#!perl\n";
}
print OUT $_, <IN>;
close IN;
close OUT;
chmod 0755, $name;

__END__

=pod

  # base: 401000
  objdump -D --target=binary --architecture i386 $code

   0:   b8 cc 11 40 00          mov    $0x4011cc,%eax
   5:   83 3d cc 11 40 00 00    cmpl   $0x0,0x4011cc
   c:   74 16                   je     0x24
   e:   8b 10                   mov    (%eax),%edx
  10:   85 d2                   test   %edx,%edx
  12:   7d 06                   jge    0x1a
  14:   01 50 04                add    %edx,0x4(%eax)
  17:   83 c0 04                add    $0x4,%eax
  1a:   ff 02                   incl   (%edx)
  1c:   83 c0 04                add    $0x4,%eax
  1f:   83 38 00                cmpl   $0x0,(%eax)
  22:   75 ea                   jne    0xe
  24:   a1 48 11 40 00          mov    0x401148,%eax
  29:   ff d0                   call   *%eax		; GetCommandLineA
  2b:   89 c3                   mov    %eax,%ebx
  2d:   89 c7                   mov    %eax,%edi
  2f:   31 c0                   xor    %eax,%eax
  31:   b9 f7 ff ff ff          mov    $0xfffffff7,%ecx
  36:   fc                      cld
  37:   f2 ae                   repnz scas %es:(%edi),%al
  39:   89 f8                   mov    %edi,%eax
  3b:   29 d8                   sub    %ebx,%eax
  3d:   83 e1 fc                and    $0xfffffffc,%ecx
  40:   01 cc                   add    %ecx,%esp
  42:   be c3 11 40 00          mov    $0x4011c3,%esi  ; prepend 'perl -x '
  47:   89 e7                   mov    %esp,%edi
  49:   b9 08 00 00 00          mov    $0x8,%ecx
  4e:   f3 a4                   rep movsb %ds:(%esi),%es:(%edi)
  50:   89 de                   mov    %ebx,%esi
  52:   89 c1                   mov    %eax,%ecx
  54:   f3 a4                   rep movsb %ds:(%esi),%es:(%edi)
  56:   89 e3                   mov    %esp,%ebx
  58:   83 ec 7c                sub    $0x7c,%esp
  5b:   b9 1b 00 00 00          mov    $0x1b,%ecx
  60:   89 e7                   mov    %esp,%edi
  62:   31 c0                   xor    %eax,%eax
  64:   f3 ab                   rep stos %eax,%es:(%edi)
  66:   89 5c 24 04             mov    %ebx,0x4(%esp)
  6a:   c7 44 24 28 44 00 00    movl   $0x44,0x28(%esp)
  71:   00
  72:   89 e0                   mov    %esp,%eax
  74:   83 c0 28                add    $0x28,%eax
  77:   89 44 24 20             mov    %eax,0x20(%esp)
  7b:   83 c0 44                add    $0x44,%eax
  7e:   89 44 24 24             mov    %eax,0x24(%esp)
  82:   a1 40 11 40 00          mov    0x401140,%eax
  87:   ff d0                   call   *%eax		; if (!CreateProcessA)
  89:   21 c0                   and    %eax,%eax
  8b:   75 04                   jne    0x91
  8d:   6a 64                   push   $0x64
  8f:   eb 25                   jmp    0xb6		;   abnormal exit
  91:   8b 44 24 44             mov    0x44(%esp),%eax ; else