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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
# Copyright (c) 2019-2026 Vector 35 Inc
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
from binaryninja.function import DisassemblyTextRenderer, InstructionTextToken
from binaryninja.flowgraph import FlowGraph, FlowGraphNode
from binaryninja.enums import InstructionTextTokenType
from binaryninjaui import FlowGraphWidget, ViewType
# Flow graph class for creating a graph with both assembly and Low Level IL in one view
class DisassemblyAndLowLevelILGraph(FlowGraph):
def __init__(self, func):
super(DisassemblyAndLowLevelILGraph, self).__init__()
self.function = func
il = func.low_level_il
self.il_function = il
# Support user annotations for this graph
self.uses_block_highlights = True
self.uses_instruction_highlights = True
self.includes_user_comments = True
self.allows_patching = True
self.shows_secondary_reg_highlighting = True
def populate_nodes(self):
# Create disassembly text renderers for assembly and IL
func = self.function
il = self.il_function
asm_renderer = DisassemblyTextRenderer(func)
il_renderer = DisassemblyTextRenderer(il)
# First create nodes for every block in the function
nodes = {}
for block in il:
node = FlowGraphNode(self)
node.basic_block = block
nodes[block.start] = node
self.append(node)
# Construct graph
for block in il:
il_renderer.basic_block = block
# Add outgoing edges for the node
for edge in block.outgoing_edges:
nodes[block.start].add_outgoing_edge(edge.type, nodes[edge.target.start])
# Get instruction starts for assembly instructions in the block
start_addr = il[block.start].address
asm_block = func.get_basic_block_at(start_addr)
if asm_block is None:
# If first IL instruction was removed in IL translation, the previous call will fail. Find
# the block that contains the instruction
for i in func.basic_blocks:
if start_addr >= i.start and start_addr < i.end:
asm_block = i
break
asm_instrs = []
if asm_block is not None:
asm_renderer.basic_block = asm_block
start = asm_block.start
end = asm_block.end
addr = start
while addr < end:
asm_instrs.append(addr)
data = func.view.read(addr, min(asm_block.arch.max_instr_length, end - addr))
info = asm_block.arch.get_instruction_info(data, addr)
addr += info.length
if info.length == 0:
break
# Iterate through instructions in this block and add disassembly lines
lines = []
for i in block:
# Display assembly instructions at or before the current IL instruction
while len(asm_instrs) > 0 and i.address >= asm_instrs[0]:
for asm_lines, length in asm_renderer.get_disassembly_text(asm_instrs[0]):
lines.append(asm_lines)
asm_instrs = asm_instrs[1:]
# Display IL instruction
for il_lines, length in il_renderer.get_disassembly_text(i.instr_index):
lines.append(il_lines)
# Go through lines and add addresses to them
for line in lines:
if line.il_instruction is None:
# For assembly lines, show address
line.tokens.insert(
0, InstructionTextToken(InstructionTextTokenType.AddressDisplayToken, "%.8x" % line.address, line.address)
)
line.tokens.insert(1, InstructionTextToken(InstructionTextTokenType.TextToken, " "))
else:
# For IL lines, show IL instruction index
line.tokens.insert(
0,
InstructionTextToken(
InstructionTextTokenType.AnnotationToken, "%8s" % ("[%d]" % line.il_instruction.instr_index)
)
)
line.tokens.insert(1, InstructionTextToken(InstructionTextTokenType.AnnotationToken, " => "))
nodes[block.start].lines = lines
def update(self):
return DisassemblyAndLowLevelILGraph(self.function)
# Flow graph widget subclass that displays the graphs described above
class DisassemblyAndLowLevelILView(FlowGraphWidget):
def __init__(self, parent, data):
# Start view with entry function
self.data = data
self.function = data.entry_function
if self.function is None:
graph = None
else:
graph = DisassemblyAndLowLevelILGraph(self.function)
super(DisassemblyAndLowLevelILView, self).__init__(parent, data, graph)
def navigate(self, addr):
# Find correct function based on most recent use
block = self.data.get_recent_basic_block_at(addr)
if block is None:
# If function isn't done analyzing yet, it may have a function start but no basic blocks
func = self.data.get_recent_function_at(addr)
else:
func = block.function
if func is None:
# No function contains this address, fail navigation in this view
return False
return self.navigateToFunction(func, addr)
def navigateToFunction(self, func, addr):
if func == self.function:
# Address is within current function, go directly there
self.showAddress(addr, True)
return True
# Navigate to the correct function
self.function = func
graph = DisassemblyAndLowLevelILGraph(func)
self.setGraph(graph, addr)
return True
# View type for the new view
class DisassemblyAndLowLevelILViewType(ViewType):
def __init__(self):
super(DisassemblyAndLowLevelILViewType, self).__init__("Asm -> LLIL", "Assembly to Low Level IL")
def getPriority(self, data, filename):
if data.executable:
# Use low priority so that this view is not picked by default
return 1
return 0
def create(self, data, view_frame):
return DisassemblyAndLowLevelILView(view_frame, data)
# Register the view type so that it can be chosen by the user
ViewType.registerViewType(DisassemblyAndLowLevelILViewType())
|
