1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
#!/usr/bin/env python
"""
Pyew! A Python Tool like the populars *iew
Copyright (C) 2009,2010 Joxean Koret
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import os
import sys
import thread
import tempfile
import webbrowser
try:
from PIL import Image
hasPil = True
except ImportError:
hasPil = False
from diagrams import CDotDiagram, CNode
class CCallGraphGenerator(object):
def __init__(self, pyew):
self.pyew = pyew
def generateDot(self):
dot = CDotDiagram()
ep = self.pyew.ep
try:
l = self.pyew.exports.keys()
l.append(self.pyew.ep)
except:
print "Error:", sys.exc_info()[1]
l = [self.pyew.ep]
functions = []
for ep in l:
if self.pyew.functions.has_key(ep):
fep = self.pyew.functions[ep]
for c in fep.connections:
if c in self.pyew.functions:
if c not in functions:
functions.append(c)
n1 = CNode(self.pyew.names[ep], self.pyew.names[ep])
n2 = CNode(self.pyew.names[c], self.pyew.names[c])
dot.addConnectedNode(n1, n2)
dones = []
while len(functions) > 0:
addr = functions.pop()
f = self.pyew.functions[addr]
for c in f.connections:
if c in self.pyew.functions and c not in dones:
functions.append(c)
dones.append(c)
n1 = CNode(self.pyew.names[addr], self.pyew.names[addr])
n2 = CNode(self.pyew.names[c], self.pyew.names[c])
dot.addConnectedNode(n1, n2)
return dot.generateDot()
def showDotInXDot(buf):
try:
import gtk, thread
from xdot import DotWindow
win = DotWindow()
win.connect('destroy', gtk.main_quit)
win.set_filter("dot")
win.set_dotcode(buf)
try:
thread.start_new_thread(gtk.main, None)
except:
pass
except ImportError:
print "Python-GTK is not installed"
def showCallGraph(pyew, doprint=True, addr=None):
""" Show the callgraph of the whole program """
dot = CCallGraphGenerator(pyew)
buf = dot.generateDot()
if doprint:
showDotInXDot(buf)
return buf
def showBinaryImage(pyew, doprint=True):
""" Show an image representing the current opened file """
buf = pyew.getBuffer()
size = len(buf)**(1./3)+1
img = Image.new("RGB", (size, size), "red")
putpixel = img.putpixel
i = 0
for y in range(int(size)):
for x in range(int(size)):
if i > len(buf) or len(buf)-i <= 3:
break
value = (ord(buf[i:i+1]), ord(buf[i+1:i+2]), ord(buf[i+3:i+4]))
i += 3
putpixel((x, y), value)
n, filename = tempfile.mkstemp(suffix=".png")
img.save(filename)
if doprint:
webbrowser.open(filename)
return filename
if hasPil:
functions = {"cgraph":showCallGraph,
"binvi":showBinaryImage}
else:
functions = {"cgraph":showCallGraph}
|
