def from_file(self, fd):
def parse_ifv(line):
fields = line[1:-1].split()
if len(fields) < 2 or fields[0] != "InterfaceVector":
raise SyntaxError("Syntax error InterfaceVector statement %s" % line)
ifv = InterfaceVector()
ifv.name = fields[1]
if len(fields) == 2:
return
for field in fields[2:]:
p = field.split(":")
if len(p) != 2:
raise SyntaxError("Invalid param in InterfaceVector statement %s" % line)
param = Param()
param.name = p[0]
param.type = refpolicy.str_to_field[p[1]]
ifv.params[param.name] = param
return ifv
ifv = None
for line in fd:
line = line[:-1]
if line[0] == "[":
if ifv:
self.add_ifv(ifv)
ifv = parse_ifv(line)
elif ifv:
l = line.split(",")
av = access.AccessVector(l)
ifv.add_av(av)
if ifv:
self.add_ifv(ifv)
self.index()
def from_file(self, fd):
def parse_attr(line):
fields = line[1:-1].split()
if len(fields) != 2 or fields[0] != "Attribute":
raise SyntaxError("Syntax error Attribute statement %s" % line)
a = AttributeVector()
a.name = fields[1]
return a
a = None
for line in fd:
line = line[:-1]
if line[0] == "[":
if a:
self.add_attr(a)
a = parse_attr(line)
elif a:
l = line.split(",")
av = access.AccessVector(l)
a.add_av(av)
if a:
self.add_attr(a)
raise ValueError("error parsing file %s: %s" % (f, str(e)))
spt = None
if support_macros:
o("Parsing support macros (%s): " % support_macros)
spt = refpolicy.SupportMacros()
parse_file(support_macros, spt)
headers.children.append(spt)
# FIXME: Total hack - add in can_exec rather than parse the insanity
# of misc_macros. We are just going to preten that this is an interface
# to make the expansion work correctly.
can_exec = refpolicy.Interface("can_exec")
av = access.AccessVector([
"$1", "$2", "file", "execute_no_trans", "read", "getattr", "lock",
"execute", "ioctl"
])
can_exec.children.append(refpolicy.AVRule(av))
headers.children.append(can_exec)
o("done.\n")
if output and not debug:
status = util.ConsoleProgressBar(sys.stdout, steps=len(modules))
status.start("Parsing interface files")
failures = []
for x in modules:
m = refpolicy.Module()
m.name = x[0]