metasploit-framework/lib/metasm/samples/dasm-plugins/bookmark.rb

134 lines
3.6 KiB
Ruby

# This file is part of Metasm, the Ruby assembly manipulation suite
# Copyright (C) 2006-2009 Yoann GUILLOT
#
# Licence is LGPL, see LICENCE in the top-level directory
# metasm dasm GUI plugin:
# pops a list of bookmarked functions
# also allows the custom coloration of blocks/functions
if gui
class ColorWindow < Metasm::Gui::ToolWindow
def initialize_window(&b)
self.title = 'pick a color'
self.widget = ColorWidget.new(&b)
end
end
class ColorWidget < Metasm::Gui::DrawableWidget
attr_accessor :ph, :pw
def initialize_widget(&b)
super()
@action = b
@pw = 3
@ph = 8
end
def initial_size
[@pw*256, @ph*16]
end
def paint
0x100.times { |x|
cx = x
if x & 0x10 > 0
cx = (x&0xf0) + (15-(x&0xf))
end
0x10.times { |y|
col = '%02x%x' % [cx, y]
draw_rectangle_color(col, x*@pw, y*@ph, @pw, @ph)
}
}
end
def xy_to_col(x, y)
x = x.to_i / @pw
y = y.to_i / @ph
if x >=0 and y >= 0 and x <= 0xff and y <= 0xf
if x & 0x10 > 0
x = (x&0xf0) + (15-(x&0xf))
end
col = '%02x%x' % [x, y]
toplevel.title = "color #{col}"
col
end
end
def mousemove(x, y)
xy_to_col(x, y)
end
def mouserelease(x, y)
if c = xy_to_col(x, y)
toplevel.destroy
@action.call(c)
end
end
end
# list of user-specified addrs
@bookmarklist = []
# every single addr => color
@bookmarkcolor = {}
obg = gui.bg_color_callback # chain old callback
gui.bg_color_callback = lambda { |a|
if obg and col = obg[a]
col
else
# least priority
@bookmarkcolor[a]
end
}
popbookmarks = lambda { |*a|
list = [['address', 'color']] + @bookmarklist.map { |bm| [Expression[bm].to_s, @bookmarkcolor[bm].to_s] }
listcolcb = lambda { |e| [nil, @bookmarkcolor[Expression.parse_string(e[0]).reduce]] }
gui.listwindow('bookmarks', list, :color_callback => listcolcb) { |e| gui.focus_addr(e[0]) }
}
# an api to bookmark a function
def bookmark_function(addr, color)
return if not fa = find_function_start(addr)
list = function_blocks(fa).map { |k, v| block_at(k).list.map { |di| di.address } }.flatten
bookmark_addrs list, color
end
def bookmark_addrs(list, color)
al = [list].flatten.uniq
gui.session_append("dasm.bookmark_addrs(#{list.inspect}, #{color.inspect})")
@bookmarklist |= [al.min]
al.each { |a| @bookmarkcolor[a] = color }
gui.gui_update
end
def bookmark_delete_function(addr)
return if not fa = find_function_start(addr)
list = function_blocks(fa).map { |k, v| block_at(k).list.map { |di| di.address } }.flatten
bookmark_delete list
end
def bookmark_delete(list)
@bookmarklist -= list
list.each { |a| @bookmarkcolor.delete a }
end
def bookmark_delete_color(col)
@bookmarkcolor.delete_if { |k, v| if v == col ; @bookmarklist.delete k ; true end }
end
w = gui.toplevel
w.addsubmenu(w.find_menu('Views'), '_Bookmarks', popbookmarks)
w.update_menu
gui.keyboard_callback[?B] = popbookmarks
gui.keyboard_callback[?C] = lambda { |a|
if s = gui.curview.instance_variable_get('@selected_boxes') and not s.empty?
al = s.map { |b| b[:line_address] }
elsif fa = find_function_start(gui.curaddr)
al = function_blocks(fa).map { |k, v| block_at(k).list.map { |di| di.address } }
else
next
end
# XXX also prompt for comment/bookmark name ?
ColorWindow.new(gui.toplevel) { |col| bookmark_addrs(al, col) }
}
end