metasploit-framework/lib/rex/compat.rb

193 lines
3.3 KiB
Ruby

require 'dl'
module Rex
###
#
# This class provides os-specific functionality
#
###
module Compat
STD_INPUT_HANDLE = -10
ENABLE_LINE_INPUT = 2
ENABLE_ECHO_INPUT = 4
ENABLE_PROCESSED_INPUT = 1
#
# Platform detection
#
def self.is_windows
(RUBY_PLATFORM =~ /mswin32/) ? true : false
end
def self.is_macosx
(RUBY_PLATFORM =~ /darwin/) ? true : false
end
def self.is_linux
(RUBY_PLATFORM =~ /linux/) ? true : false
end
def self.is_freebsd
(RUBY_PLATFORM =~ /freebsd/) ? true : false
end
def self.open_browser(url='http://metasploit.com/')
case RUBY_PLATFORM
when /mswin32/
system("start #{url}")
when /darwin/
system("open #{url}")
else
system("firefox #{url} &")
end
end
def self.open_email(addr)
case RUBY_PLATFORM
when /mswin32/
system("start mailto:#{addr}")
when /darwin/
system("open mailto:#{addr}")
else
# ?
end
end
#
# Change the Windows console to non-blocking mode
#
def self.win32_stdin_unblock
begin
@@k32 ||= DL.dlopen("kernel32.dll")
gsh = @@k32['GetStdHandle', 'LL']
gcm = @@k32['GetConsoleMode', 'LLP']
scm = @@k32['SetConsoleMode', 'LLL']
inp = gsh.call(STD_INPUT_HANDLE)[0]
inf = DL.malloc(DL.sizeof('L'))
gcm.call(inp, inf)
old_mode = inf.to_a('L', 1)[0]
new_mode = old_mode & ~(ENABLE_LINE_INPUT|ENABLE_ECHO_INPUT|ENABLE_PROCESSED_INPUT)
scm.call(inp, new_mode)
rescue ::Exception
raise $!
end
end
#
# Change the Windows console to blocking mode
#
def self.win32_stdin_block
begin
@@k32 ||= DL.dlopen("kernel32.dll")
gsh = @@k32['GetStdHandle', 'LL']
gcm = @@k32['GetConsoleMode', 'LLP']
scm = @@k32['SetConsoleMode', 'LLL']
inp = gsh.call(STD_INPUT_HANDLE)[0]
inf = DL.malloc(DL.sizeof('L'))
gcm.call(inp, inf)
old_mode = inf.to_a('L', 1)[0]
new_mode = old_mode | ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT | ENABLE_PROCESSED_INPUT
scm.call(inp, new_mode)
rescue ::Exception
raise $!
end
end
#
# Obtain the path to our interpreter
#
def self.win32_ruby_path
begin
@@k32 ||= DL.dlopen("kernel32.dll")
gmh = @@k32['GetModuleHandle', 'LP']
gmf = @@k32['GetModuleFileName', 'LLPL']
mod = gmh.call(nil)[0]
inf = DL.malloc(1024)
gmf.call(mod, inf, 1024)
return inf.to_s
rescue ::Exception
raise $!
end
end
#
# Call WinExec (equiv to system("cmd &")
#
def self.win32_winexec(cmd)
begin
@@k32 ||= DL.dlopen("kernel32.dll")
win = @@k32['WinExec', 'LPL']
win.call(cmd.to_ptr, 0)
rescue ::Exception
raise $!
end
end
#
# Read directly from the win32 console
#
def self.win32_stdin_read(size=512)
begin
@@k32 ||= DL.dlopen("kernel32.dll")
gsh = @@k32['GetStdHandle', 'LL']
rco = @@k32['ReadConsole', 'LLPLPL']
inp = gsh.call(STD_INPUT_HANDLE)[0]
buf = DL.malloc(size)
num = DL.malloc(DL.sizeof('L'))
rco.call(inp, buf, size, num, 0)
buf.to_s
rescue ::Exception
raise $!
end
end
#
# Platform independent socket pair
#
def self.pipe
if (! is_windows())
# Standard pipes should be fine
return ::IO.pipe
end
# Create a socket connection for Windows
serv = nil
port = 1024
while (! serv and port < 65535)
begin
serv = TCPServer.new('127.0.0.1', (port += 1))
rescue ::Exception
end
end
pipe1 = TCPSocket.new('127.0.0.1', port)
# Accept the forked child
pipe2 = serv.accept
# Shutdown the server
serv.close
return [pipe1, pipe2]
end
end
end