miasm2.jitter.loader.pe.libimp_pe Class Reference

Inheritance diagram for miasm2.jitter.loader.pe.libimp_pe:

Collaboration diagram for miasm2.jitter.loader.pe.libimp_pe:

Public Member Functions
def	add_export_lib
def	gen_new_lib
def	lib_get_add_base
def	lib_get_add_func
def	check_dst_ad

Public Attributes
	name2off
	libbase2lastad
	libbase_ad
	lib_imp2ad
	lib_imp2dstad
	fad2cname
	fad2info
	all_exported_lib

Detailed Description

Definition at line 304 of file pe.py.

Member Function Documentation

def miasm2.jitter.loader.pe.libimp_pe.add_export_lib	(		self,
			e,
			name
	)

Definition at line 306 of file pe.py.

    def add_export_lib(self, e, name):
        self.all_exported_lib.append(e)
        # will add real lib addresses to database
        if name in self.name2off:
            ad = self.name2off[name]
        else:
            log.debug('new lib %s', name)
            ad = e.NThdr.ImageBase
            libad = ad
            self.name2off[name] = ad
            self.libbase2lastad[ad] = ad + 0x1
            self.lib_imp2ad[ad] = {}
            self.lib_imp2dstad[ad] = {}
            self.libbase_ad += 0x1000

            ads = get_export_name_addr_list(e)
            todo = ads
            # done = []
            while todo:
                # for imp_ord_or_name, ad in ads:
                imp_ord_or_name, ad = todo.pop()

                # if export is a redirection, search redirected dll
                # and get function real addr
                ret = is_redirected_export(e, ad)
                if ret:
                    exp_dname, exp_fname = ret
                    # log.debug('export redirection %s' % imp_ord_or_name)
                    # log.debug('source %s %s' % (exp_dname, exp_fname))
                    exp_dname = exp_dname + '.dll'
                    exp_dname = exp_dname.lower()
                    # if dll auto refes in redirection
                    if exp_dname == name:
                        libad_tmp = self.name2off[exp_dname]
                        if not exp_fname in self.lib_imp2ad[libad_tmp]:
                            # schedule func
                            todo = [(imp_ord_or_name, ad)] + todo
                            continue
                    elif not exp_dname in self.name2off:
                        raise ValueError('load %r first' % exp_dname)
                    c_name = canon_libname_libfunc(exp_dname, exp_fname)
                    libad_tmp = self.name2off[exp_dname]
                    ad = self.lib_imp2ad[libad_tmp][exp_fname]
                    # log.debug('%s' % hex(ad))
                # if not imp_ord_or_name in self.lib_imp2dstad[libad]:
                #    self.lib_imp2dstad[libad][imp_ord_or_name] = set()
                # self.lib_imp2dstad[libad][imp_ord_or_name].add(dst_ad)

                # log.debug('new imp %s %s' % (imp_ord_or_name, hex(ad)))
                self.lib_imp2ad[libad][imp_ord_or_name] = ad

                name_inv = dict([(x[1], x[0]) for x in self.name2off.items()])
                c_name = canon_libname_libfunc(
                    name_inv[libad], imp_ord_or_name)
                self.fad2cname[ad] = c_name
                self.fad2info[ad] = libad, imp_ord_or_name

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