def _add_stub_class(self, className, superClassName, st ):
"""
@param className: Name of new class; example: Lcom/test;
@param superClassName: Name of super class; example: Ljava/lang/Object;
@param st: Smali tree to save class
"""
stub_class = ClassNode()
stub_class.set_name("L" + PKG_PREFIX + "/" + className[1:])
stub_class.add_access("public")
stub_class.set_super_name(superClassName)
self.stub_classes[className] = stub_class
self.class_map[className] = "L" + PKG_PREFIX + "/" + className[1:]
method = MethodNode()
method.set_desc("<init>()V")
method.add_access(["public", "constructor"])
method.set_registers(1)
# i1 = InsnNode("invoke-direct {p0}, Ljava/lang/Object;-><init>()V") #Error! Must not create instance of Object, but of superclass
i1 = InsnNode("invoke-direct {p0}, "+superClassName+"-><init>()V")
i2 = InsnNode("return-void")
method.add_insn([i1, i2])
stub_class.add_method(method)
st.add_class(stub_class)
def __add_stub_inst(self, stub_class, on, m, regs=1):
segs = m.rsplit("->", 1)
method = MethodNode()
method.set_desc(segs[1])
method.add_para(TypeNode(segs[0]))
method.add_access(["public", "static"])
method.set_registers(regs)
stub_class.add_method(method)
i = m.find('(')
self.method_map[m] = "L" + PKG_PREFIX + "/" + segs[0][1:] + "->" + \
method.get_desc()
def add_stub_method(self, on, m, parent_class, parent_method, package):
#segs = m.split(':', 1)
#method_type = segs[0]
#m = segs[1]
#print on,m
method_type = METHOD_TYPE_BY_OPCODE[on]
segs = m.rsplit("->", 1)
#print on,m,method_type,segs
#print parent_class.name, segs[0]
# if package in parent_class.name:
# print "removing",parent_class.name,package,segs[0]
# self.stub_classes.pop(segs[0],None)
if self.stub_classes.has_key(segs[0]):
stub_class = self.stub_classes[segs[0]]
else:
stub_class = ClassNode()
#stub_class.set_name = "Ldroidbox/java/lang/String" for Ljava/lang/String;->format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String; invoke-static
stub_class.set_name("L" + PKG_PREFIX + "/" + segs[0][1:])
stub_class.add_access("public")
stub_class.set_super_name("Ljava/lang/Object;")
self.stub_classes[segs[0]] = stub_class
self.class_map[segs[0]] = "L" + PKG_PREFIX + "/" + segs[0][1:]
#.method public constructor <init>()V
# .registers 1
# invoke-direct {p0}, Ljava/lang/Object;-><init>()V
# return-void
#.end method
method = MethodNode()
method.set_desc("<init>()V")
method.add_access(["public", "constructor"])
method.set_registers(1)
i1 = InsnNode("invoke-direct {p0}, Ljava/lang/Object;-><init>()V")
i2 = InsnNode("return-void")
method.add_insn([i1, i2])
stub_class.add_method(method)
method_name = segs[1][:segs[1].find("(")]
#print stub_class.name,method_name,method_type,parent_class.name
if method_type == "constructor":
self.__add_stub_cons2(stub_class, m, parent_class, parent_method)
elif method_type == "instance":
self.__add_stub_inst(stub_class, on, m, parent_class,
parent_method)
elif method_type == "static":
self.__add_stub_static(stub_class, m, parent_class, parent_method)
def __add_stub_static(self, stub_class, m, regs=1):
segs = m.rsplit("->", 1)
method = MethodNode()
method.set_desc(segs[1])
method.add_access(["public", "static"])
para_num = len(method.paras)
reg_num = method.get_paras_reg_num()
ri = 1
method.set_registers(regs)
stub_class.add_method(method)
i = m.find('(')
self.method_map[m] = "L" + PKG_PREFIX + "/" + segs[0][1:] + "->" + \
method.get_desc()
def add_stub_method(self, on, m):
#segs = m.split(':', 1)
#method_type = segs[0]
#m = segs[1]
method_type = METHOD_TYPE_BY_OPCODE[on]
segs = m.rsplit("->", 1)
if self.stub_classes.has_key(segs[0]):
stub_class = self.stub_classes[segs[0]]
else:
stub_class = ClassNode()
stub_class.set_name("L" + PKG_PREFIX + "/" + segs[0][1:])
stub_class.add_access("public")
stub_class.set_super_name("Ljava/lang/Object;")
self.stub_classes[segs[0]] = stub_class
self.class_map[segs[0]] = "L" + PKG_PREFIX + "/" + segs[0][1:]
#.method public constructor <init>()V
# .registers 1
# invoke-direct {p0}, Ljava/lang/Object;-><init>()V
# return-void
#.end method
method = MethodNode()
method.set_desc("<init>()V")
method.add_access(["public", "constructor"])
method.set_registers(1)
i1 = InsnNode("invoke-direct {p0}, Ljava/lang/Object;-><init>()V")
i2 = InsnNode("return-void")
method.add_insn([i1, i2])
stub_class.add_method(method)
method_name = segs[1][:segs[1].find("(")]
if method_type == "constructor":
self.__add_stub_cons2(stub_class, m)
elif method_type == "instance":
self.__add_stub_inst(stub_class, on, m)
elif method_type == "static":
self.__add_stub_static(stub_class, m)
def __add_stub_cons(self, stub_class, m, regs=1):
segs = m.rsplit("->", 1)
desc = segs[1].replace("<init>", "droidbox_cons")
i = desc.find(')')
desc = desc[:i + 1] + segs[0]
method = MethodNode()
method.set_desc(desc)
method.add_access(["public", "static"])
method.set_registers(regs)
stub_class.add_method(method)
i = m.find('(')
self.method_map[m] = "L" + PKG_PREFIX + "/" + segs[0][1:] + "->" + \
method.get_desc()
def __add_stub_static(self, stub_class, m):
segs = m.rsplit("->", 1)
method = MethodNode()
method.set_desc(segs[1])
method.add_access(["public", "static"])
para_num = len(method.paras)
reg_num = method.get_paras_reg_num()
ri = 1
if reg_num <= 5:
i = "invoke-static {%s}, %s" % \
(", ".join(["p%d" % k for k in range(reg_num)]), m)
else:
i = "invoke-static/range {p0 .. p%d}, %s" % (reg_num - 1, m)
method.add_insn(InsnNode(i))
if not method.ret.void:
if method.ret.basic and method.ret.dim == 0:
if method.ret.words == 1:
method.add_insn(InsnNode("move-result v1"))
ri += 1
else:
method.add_insn(InsnNode("move-result-wide v1"))
ri += 2
else:
method.add_insn(InsnNode("move-result-object v1"))
ri += 1
method.add_insn(InsnNode("new-instance \
v%d, Ljava/lang/StringBuilder;" % ri))
method.add_insn(InsnNode("invoke-direct \
{v%d}, Ljava/lang/StringBuilder;-><init>()V" % ri))
method.add_insn(InsnNode("const-string v%d,\"%s(\"" % \
(ri + 1, m.split('(', 1)[0])))
append_i = InsnNode("invoke-virtual \
{v%d, v%d}, Ljava/lang/StringBuilder;->\
append(Ljava/lang/String;)Ljava/lang/StringBuilder;" % \
(ri, ri + 1))
method.add_insn(append_i)
# print parameters
pi = 0
for k in range(0, para_num):
p = method.paras[k]
method.add_insn(InsnNode("const-string v%d, \"%s=\"" % (ri + 1,
p.get_desc())))
method.add_insn(append_i)
if p.basic and p.dim == 0:
if p.words == 1:
method.add_insn(InsnNode("invoke-static {p%d}, \
Ljava/lang/String;->valueOf(%s)Ljava/lang/String;" % \
(pi, p.get_desc())))
pi += 1
else:
method.add_insn(InsnNode("invoke-static \
{p%d, p%d}, Ljava/lang/String;->valueOf(%s)Ljava/lang/String;" % \
(pi, pi + 1, p.get_desc())))
pi += 2
method.add_insn(InsnNode("move-result-object v%d" % (ri + 1)))
method.add_insn(append_i)
else:
method.add_insn(InsnNode("invoke-static {p%d}, \
Ldroidbox/apimonitor/Helper;->toString(Ljava/lang/Object;)Ljava/lang/String;" % (pi, )))
pi += 1
method.add_insn(InsnNode("move-result-object v%d" % (ri + 1)))
method.add_insn(append_i)
if k < para_num - 1:
method.add_insn(InsnNode("const-string v%d, \" | \"" % \
(ri + 1)))
method.add_insn(append_i)
method.add_insn(InsnNode("const-string v%d, \")\"" % (ri + 1)))
method.add_insn(append_i)
# print return value
p = method.ret
if p.void:
method.add_insn(InsnNode("const-string v%d, \"%s\"" % (ri + 1,
p.get_desc())))
method.add_insn(append_i)
else:
method.add_insn(InsnNode("const-string v%d, \"%s=\"" % (ri + 1,
p.get_desc())))
method.add_insn(append_i)
if p.basic and p.dim == 0:
if p.words == 1:
method.add_insn(InsnNode("invoke-static {v1}, \
Ljava/lang/String;->valueOf(%s)Ljava/lang/String;" % \
p.get_desc()))
else:
method.add_insn(InsnNode("invoke-static \
{v1, v2}, Ljava/lang/String;->valueOf(%s)Ljava/lang/String;" % \
p.get_desc()))
method.add_insn(InsnNode("move-result-object v%d" % (ri + 1)))
method.add_insn(append_i)
else:
method.add_insn(InsnNode("invoke-static {v1}, \
Ldroidbox/apimonitor/Helper;->toString(Ljava/lang/Object;)Ljava/lang/String;"))
method.add_insn(InsnNode("move-result-object v%d" % (ri + 1)))
method.add_insn(append_i)
method.add_insn(InsnNode("invoke-virtual {v%d}, \
Ljava/lang/StringBuilder;->toString()Ljava/lang/String;" % ri))
method.add_insn(InsnNode("move-result-object v%d" % (ri + 1)))
method.add_insn(InsnNode("invoke-static {v%d}, \
Ldroidbox/apimonitor/Helper;->log(Ljava/lang/String;)V" % \
(ri + 1, )))
if not method.ret.void:
if method.ret.basic and method.ret.dim == 0:
if method.ret.words == 1:
method.add_insn(InsnNode("return v1"))
else:
method.add_insn(InsnNode("return-wide v1"))
else:
method.add_insn(InsnNode("return-object v1"))
else:
method.add_insn(InsnNode("return-void"))
start = LabelNode(":droidbox_try_start", 0)
end = LabelNode(":droidbox_try_end", 1)
index = len(method.insns)
ret = LabelNode(":droidbox_return", index - 1)
handler = LabelNode(":droidbox_handler", index)
line = ".catch Ljava/lang/Exception; {:droidbox_try_start .. \
:droidbox_try_end} :droidbox_handler"
TryNode(line, start, end, handler)
method.add_label([start, end, ret, handler])
method.add_insn(InsnNode("move-exception v0"))
method.add_insn(InsnNode("invoke-virtual {v0}, \
Ljava/lang/Exception;->printStackTrace()V"))
if not method.ret.void:
if method.ret.basic and method.ret.dim == 0:
if method.ret.words == 1:
method.add_insn(InsnNode("const/4 v1, 0x0"))
else:
method.add_insn(InsnNode("const-wide/16 v1, 0x0"))
else:
method.add_insn(InsnNode("const/4 v1, 0x0"))
method.add_insn(InsnNode("goto :droidbox_return"))
method.set_registers(reg_num + ri + 2)
stub_class.add_method(method)
i = m.find('(')
self.method_map[m] = "L" + PKG_PREFIX + "/" + segs[0][1:] + "->" + \
method.get_desc()
def __add_stub_cons2(self, stub_class, m):
segs = m.rsplit("->", 1)
desc = segs[1].replace("<init>", "droidbox_cons")
i = desc.find(')')
desc = desc[:i + 1] + 'V'
method = MethodNode()
method.set_desc(desc)
method.add_access(["public", "static"])
para_num = len(method.paras)
reg_num = method.get_paras_reg_num()
ri = 0
method.add_insn(InsnNode("new-instance \
v%d, Ljava/lang/StringBuilder;" % ri))
method.add_insn(InsnNode("invoke-direct \
{v%d}, Ljava/lang/StringBuilder;-><init>()V" % ri))
method.add_insn(InsnNode("const-string v%d,\"%s(\"" % \
(ri + 1, m.split('(', 1)[0])))
append_i = InsnNode("invoke-virtual \
{v%d, v%d}, Ljava/lang/StringBuilder;->\
append(Ljava/lang/String;)Ljava/lang/StringBuilder;" % \
(ri, ri + 1))
method.add_insn(append_i)
# print parameters
pi = 0
for k in range(0, para_num):
p = method.paras[k]
method.add_insn(InsnNode("const-string v%d, \"%s=\"" % (ri + 1,
p.get_desc())))
method.add_insn(append_i)
if p.basic and p.dim == 0:
if p.words == 1:
method.add_insn(InsnNode("invoke-static {p%d}, \
Ljava/lang/String;->valueOf(%s)Ljava/lang/String;" % \
(pi, p.get_desc())))
pi += 1
else:
method.add_insn(InsnNode("invoke-static \
{p%d, p%d}, Ljava/lang/String;->valueOf(%s)Ljava/lang/String;" % \
(pi, pi + 1, p.get_desc())))
pi += 2
method.add_insn(InsnNode("move-result-object v%d" % (ri + 1)))
method.add_insn(append_i)
else:
method.add_insn(InsnNode("invoke-static {p%d}, \
Ldroidbox/apimonitor/Helper;->toString(Ljava/lang/Object;)Ljava/lang/String;" % (pi, )))
pi += 1
method.add_insn(InsnNode("move-result-object v%d" % (ri + 1)))
method.add_insn(append_i)
if k < para_num - 1:
method.add_insn(InsnNode("const-string v%d, \" | \"" % \
(ri + 1)))
method.add_insn(append_i)
method.add_insn(InsnNode("const-string v%d, \")\"" % (ri + 1)))
method.add_insn(append_i)
# print return value
p = method.ret
if p.void:
method.add_insn(InsnNode("const-string v%d, \"%s\"" % (ri + 1,
p.get_desc())))
method.add_insn(append_i)
else:
method.add_insn(InsnNode("const-string v%d, \"%s=\"" % (ri + 1,
p.get_desc())))
method.add_insn(append_i)
if p.basic and p.dim == 0:
if p.words == 1:
method.add_insn(InsnNode("invoke-static {v1}, \
Ljava/lang/String;->valueOf(%s)Ljava/lang/String;" % \
p.get_desc()))
else:
method.add_insn(InsnNode("invoke-static \
{v1, v2}, Ljava/lang/String;->valueOf(%s)Ljava/lang/String;" % \
p.get_desc()))
method.add_insn(InsnNode("move-result-object v%d" % (ri + 1)))
method.add_insn(append_i)
else:
method.add_insn(InsnNode("invoke-static {v1}, \
Ldroidbox/apimonitor/Helper;->toString(Ljava/lang/Object;)Ljava/lang/String;"))
method.add_insn(InsnNode("move-result-object v%d" % (ri + 1)))
method.add_insn(append_i)
method.add_insn(InsnNode("invoke-virtual {v%d}, \
Ljava/lang/StringBuilder;->toString()Ljava/lang/String;" % ri))
method.add_insn(InsnNode("move-result-object v%d" % (ri + 1)))
method.add_insn(InsnNode("invoke-static {v%d}, \
Ldroidbox/apimonitor/Helper;->log(Ljava/lang/String;)V" % \
(ri + 1, )))
if not method.ret.void:
if method.ret.basic and method.ret.dim == 0:
if method.ret.words == 1:
method.add_insn(InsnNode("return v1"))
else:
method.add_insn(InsnNode("return-wide v1"))
else:
method.add_insn(InsnNode("return-object v1"))
else:
method.add_insn(InsnNode("return-void"))
method.set_registers(reg_num + ri + 2)
stub_class.add_method(method)
i = m.find('(')
self.method_map[m] = "L" + PKG_PREFIX + "/" + segs[0][1:] + "->" + \
method.get_desc()
