79 lines
1.8 KiB
Ruby
79 lines
1.8 KiB
Ruby
#
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# This file is part of Metasm, the Ruby assembly manipulation suite
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# Copyright (C) 2006-2009 Yoann GUILLOT
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#
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# Licence is LGPL, see LICENCE in the top-level directory
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# this file sets up the RUBYLIB environment variable for windows hosts
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# the variable is set for the current user only
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# the user session may need to be restarted so that the changes take effect
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# the path to the framework
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metasmpath = File.expand_path(File.join(File.dirname(__FILE__), '..'))
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$: << metasmpath
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require 'metasm'
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d = Metasm::DynLdr
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d.new_api_c <<EOS, 'advapi32'
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__stdcall int RegCreateKeyExA(
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void *key,
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char *subkey,
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int resvd,
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char *class,
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int options,
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int access,
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void *security,
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void **keyout,
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void *dispos);
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__stdcall int RegQueryValueExA(
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void *key,
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char *value,
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int resvd,
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int type,
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void *data,
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int *datalen);
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__stdcall int RegSetValueExA(
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void *key,
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char *value,
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int resvd,
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int type,
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void *data,
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int datalen);
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__stdcall int RegCloseKey(
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void *key);
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#define KEY_ALL_ACCESS 0xf003f
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#define KEY_CURRENT_USER 0x80000001
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#define REG_EXPAND_SZ 2
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EOS
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key = [0].pack('L')
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ret = d.regcreatekeyexa(d::KEY_CURRENT_USER, 'Environment', 0, 0, 0, d::KEY_ALL_ACCESS, 0, key, 0)
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key = key.unpack('L').first
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abort 'cannot open env key' if ret != 0
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buf = 0.chr*4096
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buflen = [buf.length].pack('L')
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ret = d.regqueryvalueexa(key, 'RUBYLIB', 0, 0, buf, buflen)
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data = ret == 0 ? buf[0, buflen.unpack('L').first-1] : ''
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if data.split(';').include? metasmpath
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puts 'already registered'
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else
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data << ';' if not data.empty?
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data << metasmpath << 0
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ret = d.regsetvalueexa(key, 'RUBYLIB', 0, d::REG_EXPAND_SZ, data, data.length)
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if ret == 0
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puts "success - restart your session"
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else
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puts "failed :( - #{Metasm::WinAPI.last_error_msg(ret)}"
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end
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end
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d.regclosekey(key)
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