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Copy pathfunction_flow.py
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205 lines (134 loc) · 5.16 KB
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import networkx as nx
import idaapi
from sark import CodeBlock, FlowChart, get_block_start, get_nx_graph
try:
from sark.ui import ActionHandler
use_new_ui = True
except:
use_new_ui = False
COLOR_REACHABLE = 0x66EE11
COLOR_UNREACHABLE = 0x6611EE
COLOR_REACHING = 0x11EE66
COLOR_NOT_REACHING = 0x1166EE
COLOR_SOURCE = 0xEE6611
COLOR_NONE = 0xFFFFFFFF
COLOR_EXIT = 0x000048
def iter_exit_nodes(ea):
for block in FlowChart(ea):
# Check if there are successors
for successor in block.next:
break
else:
yield block
def clear_func(ea):
for block in FlowChart(ea):
block.color = COLOR_NONE
def mark_not_reaching_nodes(ea, source_color=COLOR_SOURCE, other_color=COLOR_NOT_REACHING):
graph = get_nx_graph(ea)
graph = graph.reverse()
block_ea = get_block_start(ea)
reaching = nx.descendants(graph, block_ea)
try:
graph_nodes_iter = graph.nodes()
except:
graph_nodes_iter = graph.nodes_iter()
for node_ea in graph_nodes_iter:
if node_ea not in reaching:
CodeBlock(node_ea).color = other_color
CodeBlock(ea).color = source_color
def mark_reaching_nodes(ea, source_color=COLOR_SOURCE, other_color=COLOR_REACHING):
graph = get_nx_graph(ea)
graph = graph.reverse()
block_ea = get_block_start(ea)
for descendant in nx.descendants(graph, block_ea):
CodeBlock(descendant).color = other_color
CodeBlock(ea).color = source_color
def mark_unreachable_nodes(ea, source_color=COLOR_SOURCE, other_color=COLOR_UNREACHABLE):
graph = get_nx_graph(ea)
block_ea = get_block_start(ea)
descendants = nx.descendants(graph, block_ea)
for block in FlowChart(ea):
if block.start_ea not in descendants:
block.color = other_color
CodeBlock(ea).color = source_color
def mark_reachable_nodes(ea, source_color=COLOR_SOURCE, other_color=COLOR_REACHABLE):
graph = get_nx_graph(ea)
block_ea = get_block_start(ea)
for descendant in nx.descendants(graph, block_ea):
CodeBlock(descendant).color = other_color
CodeBlock(ea).color = source_color
def mark_exit_nodes(ea, node_color=COLOR_EXIT):
for block in iter_exit_nodes(ea):
block.color = node_color
class MarkReachableNodesHandler(ActionHandler):
TEXT = "Reachable"
def _activate(self, ctx):
clear_func(ctx.cur_ea)
mark_reachable_nodes(ctx.cur_ea)
class MarkUnReachableNodesHandler(ActionHandler):
TEXT = "Unreachable"
def _activate(self, ctx):
clear_func(ctx.cur_ea)
mark_unreachable_nodes(ctx.cur_ea)
class MarkReachingNodesHandler(ActionHandler):
TEXT = "Reaching"
def _activate(self, ctx):
clear_func(ctx.cur_ea)
mark_reaching_nodes(ctx.cur_ea)
class MarkNotReachingNodesHandler(ActionHandler):
TEXT = "Not Reaching"
def _activate(self, ctx):
clear_func(ctx.cur_ea)
mark_not_reaching_nodes(ctx.cur_ea)
class MarkClearHandler(ActionHandler):
TEXT = "Clear"
def _activate(self, ctx):
clear_func(ctx.cur_ea)
class MarkExits(ActionHandler):
TEXT = "Exits"
def _activate(self, ctx):
clear_func(ctx.cur_ea)
mark_exit_nodes(ctx.cur_ea)
idaapi.msg("\n" * 2)
for block in iter_exit_nodes(ctx.cur_ea):
idaapi.msg("Exit at 0x{:08X}\n".format(block.start_ea))
class Hooks(idaapi.UI_Hooks):
def populating_widget_popup(self, form, popup):
# You can attach here.
pass
def finish_populating_widget_popup(self, form, popup):
# Or here, after the popup is done being populated by its owner.
if idaapi.get_widget_type(form) == idaapi.BWN_DISASM:
idaapi.attach_action_to_popup(form, popup, MarkReachableNodesHandler.get_name(), "Mark/")
idaapi.attach_action_to_popup(form, popup, MarkUnReachableNodesHandler.get_name(), "Mark/")
idaapi.attach_action_to_popup(form, popup, MarkReachingNodesHandler.get_name(), "Mark/")
idaapi.attach_action_to_popup(form, popup, MarkNotReachingNodesHandler.get_name(), "Mark/")
idaapi.attach_action_to_popup(form, popup, MarkExits.get_name(), "Mark/")
idaapi.attach_action_to_popup(form, popup, MarkClearHandler.get_name(), "Mark/")
class FunctionFlow(idaapi.plugin_t):
flags = idaapi.PLUGIN_PROC
comment = "Show Flow in Functions"
help = "Show code flow inside functions"
wanted_name = "Function Flow"
wanted_hotkey = ""
def init(self):
MarkReachableNodesHandler.register()
MarkUnReachableNodesHandler.register()
MarkReachingNodesHandler.register()
MarkNotReachingNodesHandler.register()
MarkExits.register()
MarkClearHandler.register()
self.hooks = Hooks()
self.hooks.hook()
return idaapi.PLUGIN_KEEP
def term(self):
MarkReachableNodesHandler.unregister()
MarkUnReachableNodesHandler.unregister()
MarkReachingNodesHandler.unregister()
MarkNotReachingNodesHandler.unregister()
MarkExits.unregister()
MarkClearHandler.unregister()
def run(self, arg):
pass
def PLUGIN_ENTRY():
return FunctionFlow()