2 libloc - A library to determine the location of someone on the Internet
4 Copyright (C) 2017 IPFire Development Team <info@ipfire.org>
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
22 #include <loc/libloc.h>
23 #include <loc/network.h>
24 #include <loc/network-list.h>
26 #include "locationmodule.h"
29 static PyObject
* PyList_FromNetworkList(struct loc_network_list
* networks
) {
30 PyObject
* list
= PyList_New(0);
34 while (!loc_network_list_empty(networks
)) {
35 struct loc_network
* network
= loc_network_list_pop(networks
);
37 PyObject
* n
= new_network(&NetworkType
, network
);
38 PyList_Append(list
, n
);
40 loc_network_unref(network
);
47 PyObject
* new_network(PyTypeObject
* type
, struct loc_network
* network
) {
48 NetworkObject
* self
= (NetworkObject
*)type
->tp_alloc(type
, 0);
50 self
->network
= loc_network_ref(network
);
53 return (PyObject
*)self
;
56 static PyObject
* Network_new(PyTypeObject
* type
, PyObject
* args
, PyObject
* kwds
) {
57 NetworkObject
* self
= (NetworkObject
*)type
->tp_alloc(type
, 0);
59 return (PyObject
*)self
;
62 static void Network_dealloc(NetworkObject
* self
) {
64 loc_network_unref(self
->network
);
66 Py_TYPE(self
)->tp_free((PyObject
* )self
);
69 static int Network_init(NetworkObject
* self
, PyObject
* args
, PyObject
* kwargs
) {
70 const char* network
= NULL
;
72 if (!PyArg_ParseTuple(args
, "s", &network
))
76 int r
= loc_network_new_from_string(loc_ctx
, &self
->network
, network
);
78 PyErr_Format(PyExc_ValueError
, "Invalid network: %s", network
);
85 static PyObject
* Network_repr(NetworkObject
* self
) {
86 char* network
= loc_network_str(self
->network
);
88 PyObject
* obj
= PyUnicode_FromFormat("<location.Network %s>", network
);
94 static PyObject
* Network_str(NetworkObject
* self
) {
95 char* network
= loc_network_str(self
->network
);
97 PyObject
* obj
= PyUnicode_FromString(network
);
103 static PyObject
* Network_get_country_code(NetworkObject
* self
) {
104 const char* country_code
= loc_network_get_country_code(self
->network
);
106 return PyUnicode_FromString(country_code
);
109 static int Network_set_country_code(NetworkObject
* self
, PyObject
* value
) {
110 const char* country_code
= PyUnicode_AsUTF8(value
);
112 int r
= loc_network_set_country_code(self
->network
, country_code
);
115 PyErr_Format(PyExc_ValueError
,
116 "Invalid country code: %s", country_code
);
124 static PyObject
* Network_get_asn(NetworkObject
* self
) {
125 uint32_t asn
= loc_network_get_asn(self
->network
);
128 return PyLong_FromLong(asn
);
133 static int Network_set_asn(NetworkObject
* self
, PyObject
* value
) {
134 long int asn
= PyLong_AsLong(value
);
136 // Check if the ASN is within the valid range
138 PyErr_Format(PyExc_ValueError
, "Invalid ASN %ld", asn
);
142 #if (__WORDSIZE > 32)
143 // Check whether the input was longer than 32 bit
144 if (asn
> UINT32_MAX
) {
145 PyErr_Format(PyExc_ValueError
, "Invalid ASN %ld", asn
);
150 int r
= loc_network_set_asn(self
->network
, asn
);
157 static PyObject
* Network_has_flag(NetworkObject
* self
, PyObject
* args
) {
158 enum loc_network_flags flag
= 0;
160 if (!PyArg_ParseTuple(args
, "i", &flag
))
163 if (loc_network_has_flag(self
->network
, flag
))
169 static PyObject
* Network_set_flag(NetworkObject
* self
, PyObject
* args
) {
170 enum loc_network_flags flag
= 0;
172 if (!PyArg_ParseTuple(args
, "i", &flag
))
175 int r
= loc_network_set_flag(self
->network
, flag
);
178 // What exception to throw here?
185 static PyObject
* Network_exclude(NetworkObject
* self
, PyObject
* args
) {
186 NetworkObject
* other
= NULL
;
188 if (!PyArg_ParseTuple(args
, "O!", &NetworkType
, &other
))
191 struct loc_network_list
* list
= loc_network_exclude(self
->network
, other
->network
);
193 // Convert to Python objects
194 PyObject
* obj
= PyList_FromNetworkList(list
);
195 loc_network_list_unref(list
);
200 static PyObject
* Network_is_subnet_of(NetworkObject
* self
, PyObject
* args
) {
201 NetworkObject
* other
= NULL
;
203 if (!PyArg_ParseTuple(args
, "O!", &NetworkType
, &other
))
206 if (loc_network_is_subnet(other
->network
, self
->network
))
212 static PyObject
* Network_get_family(NetworkObject
* self
) {
213 int family
= loc_network_address_family(self
->network
);
215 return PyLong_FromLong(family
);
218 static PyObject
* Network_get_first_address(NetworkObject
* self
) {
219 char* address
= loc_network_format_first_address(self
->network
);
221 PyObject
* obj
= PyUnicode_FromString(address
);
227 static PyObject
* PyBytes_FromAddress(const struct in6_addr
* address6
) {
228 struct in_addr address4
;
230 // Convert IPv4 addresses to struct in_addr
231 if (IN6_IS_ADDR_V4MAPPED(address6
)) {
232 address4
.s_addr
= address6
->s6_addr32
[3];
234 return PyBytes_FromStringAndSize((const char*)&address4
, sizeof(address4
));
237 // Return IPv6 addresses as they are
238 return PyBytes_FromStringAndSize((const char*)address6
, sizeof(*address6
));
241 static PyObject
* Network_get__first_address(NetworkObject
* self
) {
242 const struct in6_addr
* address
= loc_network_get_first_address(self
->network
);
244 return PyBytes_FromAddress(address
);
247 static PyObject
* Network_get_last_address(NetworkObject
* self
) {
248 char* address
= loc_network_format_last_address(self
->network
);
250 PyObject
* obj
= PyUnicode_FromString(address
);
256 static PyObject
* Network_get__last_address(NetworkObject
* self
) {
257 const struct in6_addr
* address
= loc_network_get_last_address(self
->network
);
259 return PyBytes_FromAddress(address
);
262 static struct PyMethodDef Network_methods
[] = {
265 (PyCFunction
)Network_exclude
,
271 (PyCFunction
)Network_has_flag
,
277 (PyCFunction
)Network_is_subnet_of
,
283 (PyCFunction
)Network_set_flag
,
290 static struct PyGetSetDef Network_getsetters
[] = {
293 (getter
)Network_get_asn
,
294 (setter
)Network_set_asn
,
300 (getter
)Network_get_country_code
,
301 (setter
)Network_set_country_code
,
307 (getter
)Network_get_family
,
314 (getter
)Network_get_first_address
,
321 (getter
)Network_get__first_address
,
328 (getter
)Network_get_last_address
,
335 (getter
)Network_get__last_address
,
343 PyTypeObject NetworkType
= {
344 PyVarObject_HEAD_INIT(NULL
, 0)
345 .tp_name
= "location.Network",
346 .tp_basicsize
= sizeof(NetworkObject
),
347 .tp_flags
= Py_TPFLAGS_DEFAULT
|Py_TPFLAGS_BASETYPE
,
348 .tp_new
= Network_new
,
349 .tp_dealloc
= (destructor
)Network_dealloc
,
350 .tp_init
= (initproc
)Network_init
,
351 .tp_doc
= "Network object",
352 .tp_methods
= Network_methods
,
353 .tp_getset
= Network_getsetters
,
354 .tp_repr
= (reprfunc
)Network_repr
,
355 .tp_str
= (reprfunc
)Network_str
,