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9cdf6c53 MT |
1 | /* |
2 | libloc - A library to determine the location of someone on the Internet | |
3 | ||
4 | Copyright (C) 2017 IPFire Development Team <info@ipfire.org> | |
5 | ||
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. | |
10 | ||
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. | |
15 | */ | |
16 | ||
17 | #include <Python.h> | |
18 | ||
9fc7f001 MT |
19 | #include <loc/libloc.h> |
20 | #include <loc/database.h> | |
21 | ||
1da9cd39 | 22 | #include "locationmodule.h" |
86ca7ef7 | 23 | #include "as.h" |
7c922e9c | 24 | #include "country.h" |
9cdf6c53 | 25 | #include "database.h" |
31edab76 | 26 | #include "network.h" |
9cdf6c53 MT |
27 | |
28 | static PyObject* Database_new(PyTypeObject* type, PyObject* args, PyObject* kwds) { | |
9cdf6c53 | 29 | DatabaseObject* self = (DatabaseObject*)type->tp_alloc(type, 0); |
9cdf6c53 MT |
30 | |
31 | return (PyObject*)self; | |
32 | } | |
33 | ||
34 | static void Database_dealloc(DatabaseObject* self) { | |
35 | if (self->db) | |
36 | loc_database_unref(self->db); | |
37 | ||
6fd96715 MT |
38 | if (self->path) |
39 | free(self->path); | |
40 | ||
9cdf6c53 MT |
41 | Py_TYPE(self)->tp_free((PyObject* )self); |
42 | } | |
43 | ||
44 | static int Database_init(DatabaseObject* self, PyObject* args, PyObject* kwargs) { | |
45 | const char* path = NULL; | |
46 | ||
47 | if (!PyArg_ParseTuple(args, "s", &path)) | |
48 | return -1; | |
49 | ||
6fd96715 MT |
50 | self->path = strdup(path); |
51 | ||
9cdf6c53 | 52 | // Open the file for reading |
6fd96715 | 53 | FILE* f = fopen(self->path, "r"); |
774eea26 MT |
54 | if (!f) { |
55 | PyErr_SetFromErrno(PyExc_IOError); | |
9cdf6c53 | 56 | return -1; |
774eea26 | 57 | } |
9cdf6c53 MT |
58 | |
59 | // Load the database | |
38e07ee0 | 60 | int r = loc_database_new(loc_ctx, &self->db, f); |
9cdf6c53 MT |
61 | fclose(f); |
62 | ||
63 | // Return on any errors | |
64 | if (r) | |
65 | return -1; | |
66 | ||
67 | return 0; | |
68 | } | |
69 | ||
6fd96715 MT |
70 | static PyObject* Database_repr(DatabaseObject* self) { |
71 | return PyUnicode_FromFormat("<Database %s>", self->path); | |
72 | } | |
73 | ||
d99b0256 MT |
74 | static PyObject* Database_get_description(DatabaseObject* self) { |
75 | const char* description = loc_database_get_description(self->db); | |
76 | ||
77 | return PyUnicode_FromString(description); | |
78 | } | |
79 | ||
80 | static PyObject* Database_get_vendor(DatabaseObject* self) { | |
81 | const char* vendor = loc_database_get_vendor(self->db); | |
82 | ||
83 | return PyUnicode_FromString(vendor); | |
84 | } | |
85 | ||
4bf49d00 MT |
86 | static PyObject* Database_get_license(DatabaseObject* self) { |
87 | const char* license = loc_database_get_license(self->db); | |
88 | ||
89 | return PyUnicode_FromString(license); | |
90 | } | |
91 | ||
53524b2d MT |
92 | static PyObject* Database_get_created_at(DatabaseObject* self) { |
93 | time_t created_at = loc_database_created_at(self->db); | |
94 | ||
95 | return PyLong_FromLong(created_at); | |
96 | } | |
97 | ||
86ca7ef7 MT |
98 | static PyObject* Database_get_as(DatabaseObject* self, PyObject* args) { |
99 | struct loc_as* as = NULL; | |
100 | uint32_t number = 0; | |
101 | ||
102 | if (!PyArg_ParseTuple(args, "i", &number)) | |
103 | return NULL; | |
104 | ||
105 | // Try to retrieve the AS | |
106 | int r = loc_database_get_as(self->db, &as, number); | |
86ca7ef7 | 107 | |
4a0a0f7e MT |
108 | // We got an AS |
109 | if (r == 0) { | |
86ca7ef7 MT |
110 | PyObject* obj = new_as(&ASType, as); |
111 | loc_as_unref(as); | |
112 | ||
113 | return obj; | |
86ca7ef7 MT |
114 | |
115 | // Nothing found | |
4a0a0f7e MT |
116 | } else if (r == 1) { |
117 | Py_RETURN_NONE; | |
118 | } | |
119 | ||
120 | // Unexpected error | |
121 | return NULL; | |
86ca7ef7 MT |
122 | } |
123 | ||
7c922e9c MT |
124 | static PyObject* Database_get_country(DatabaseObject* self, PyObject* args) { |
125 | const char* country_code = NULL; | |
126 | ||
127 | if (!PyArg_ParseTuple(args, "s", &country_code)) | |
128 | return NULL; | |
129 | ||
130 | struct loc_country* country; | |
131 | int r = loc_database_get_country(self->db, &country, country_code); | |
132 | if (r) { | |
133 | Py_RETURN_NONE; | |
134 | } | |
135 | ||
136 | PyObject* obj = new_country(&CountryType, country); | |
137 | loc_country_unref(country); | |
138 | ||
139 | return obj; | |
140 | } | |
141 | ||
31edab76 MT |
142 | static PyObject* Database_lookup(DatabaseObject* self, PyObject* args) { |
143 | struct loc_network* network = NULL; | |
144 | const char* address = NULL; | |
145 | ||
146 | if (!PyArg_ParseTuple(args, "s", &address)) | |
147 | return NULL; | |
148 | ||
149 | // Try to retrieve a matching network | |
150 | int r = loc_database_lookup_from_string(self->db, address, &network); | |
151 | ||
152 | // We got a network | |
153 | if (r == 0) { | |
154 | PyObject* obj = new_network(&NetworkType, network); | |
155 | loc_network_unref(network); | |
156 | ||
157 | return obj; | |
158 | ||
159 | // Nothing found | |
160 | } else if (r == 1) { | |
161 | Py_RETURN_NONE; | |
927e82f2 MT |
162 | |
163 | // Invalid input | |
164 | } else if (r == -EINVAL) { | |
165 | PyErr_Format(PyExc_ValueError, "Invalid IP address: %s", address); | |
166 | return NULL; | |
31edab76 MT |
167 | } |
168 | ||
169 | // Unexpected error | |
170 | return NULL; | |
171 | } | |
172 | ||
afb426df MT |
173 | static PyObject* new_database_enumerator(PyTypeObject* type, struct loc_database_enumerator* enumerator) { |
174 | DatabaseEnumeratorObject* self = (DatabaseEnumeratorObject*)type->tp_alloc(type, 0); | |
175 | if (self) { | |
176 | self->enumerator = loc_database_enumerator_ref(enumerator); | |
177 | } | |
178 | ||
179 | return (PyObject*)self; | |
180 | } | |
181 | ||
182 | static PyObject* Database_search_as(DatabaseObject* self, PyObject* args) { | |
183 | const char* string = NULL; | |
184 | ||
185 | if (!PyArg_ParseTuple(args, "s", &string)) | |
186 | return NULL; | |
187 | ||
188 | struct loc_database_enumerator* enumerator; | |
189 | ||
ccc7ab4e | 190 | int r = loc_database_enumerator_new(&enumerator, self->db, LOC_DB_ENUMERATE_ASES); |
afb426df MT |
191 | if (r) { |
192 | PyErr_SetFromErrno(PyExc_SystemError); | |
193 | return NULL; | |
194 | } | |
195 | ||
196 | // Search string we are searching for | |
197 | loc_database_enumerator_set_string(enumerator, string); | |
198 | ||
199 | PyObject* obj = new_database_enumerator(&DatabaseEnumeratorType, enumerator); | |
200 | loc_database_enumerator_unref(enumerator); | |
201 | ||
202 | return obj; | |
203 | } | |
204 | ||
ccc7ab4e | 205 | static PyObject* Database_search_networks(DatabaseObject* self, PyObject* args, PyObject* kwargs) { |
bbdb2e0a | 206 | char* kwlist[] = { "country_code", "asn", "flags", NULL }; |
ccc7ab4e MT |
207 | const char* country_code = NULL; |
208 | unsigned int asn = 0; | |
bbdb2e0a | 209 | int flags = 0; |
ccc7ab4e | 210 | |
bbdb2e0a | 211 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|sii", kwlist, &country_code, &asn, &flags)) |
ccc7ab4e MT |
212 | return NULL; |
213 | ||
214 | struct loc_database_enumerator* enumerator; | |
215 | int r = loc_database_enumerator_new(&enumerator, self->db, LOC_DB_ENUMERATE_NETWORKS); | |
216 | if (r) { | |
217 | PyErr_SetFromErrno(PyExc_SystemError); | |
218 | return NULL; | |
219 | } | |
220 | ||
221 | // Set country code we are searching for | |
222 | if (country_code) { | |
223 | r = loc_database_enumerator_set_country_code(enumerator, country_code); | |
224 | ||
225 | if (r) { | |
226 | PyErr_SetFromErrno(PyExc_SystemError); | |
227 | return NULL; | |
228 | } | |
229 | } | |
230 | ||
231 | // Set the ASN we are searching for | |
232 | if (asn) { | |
233 | r = loc_database_enumerator_set_asn(enumerator, asn); | |
234 | ||
235 | if (r) { | |
236 | PyErr_SetFromErrno(PyExc_SystemError); | |
237 | return NULL; | |
238 | } | |
239 | } | |
240 | ||
bbdb2e0a MT |
241 | // Set the flags we are searching for |
242 | if (flags) { | |
243 | r = loc_database_enumerator_set_flag(enumerator, flags); | |
244 | ||
245 | if (r) { | |
246 | PyErr_SetFromErrno(PyExc_SystemError); | |
247 | return NULL; | |
248 | } | |
249 | } | |
250 | ||
ccc7ab4e MT |
251 | PyObject* obj = new_database_enumerator(&DatabaseEnumeratorType, enumerator); |
252 | loc_database_enumerator_unref(enumerator); | |
253 | ||
254 | return obj; | |
255 | } | |
256 | ||
9cdf6c53 | 257 | static struct PyMethodDef Database_methods[] = { |
86ca7ef7 MT |
258 | { |
259 | "get_as", | |
260 | (PyCFunction)Database_get_as, | |
261 | METH_VARARGS, | |
262 | NULL, | |
263 | }, | |
7c922e9c MT |
264 | { |
265 | "get_country", | |
266 | (PyCFunction)Database_get_country, | |
267 | METH_VARARGS, | |
268 | NULL, | |
269 | }, | |
31edab76 MT |
270 | { |
271 | "lookup", | |
272 | (PyCFunction)Database_lookup, | |
273 | METH_VARARGS, | |
274 | NULL, | |
275 | }, | |
afb426df MT |
276 | { |
277 | "search_as", | |
278 | (PyCFunction)Database_search_as, | |
279 | METH_VARARGS, | |
280 | NULL, | |
281 | }, | |
ccc7ab4e MT |
282 | { |
283 | "search_networks", | |
284 | (PyCFunction)Database_search_networks, | |
285 | METH_VARARGS|METH_KEYWORDS, | |
286 | NULL, | |
287 | }, | |
9cdf6c53 MT |
288 | { NULL }, |
289 | }; | |
290 | ||
d99b0256 | 291 | static struct PyGetSetDef Database_getsetters[] = { |
53524b2d MT |
292 | { |
293 | "created_at", | |
294 | (getter)Database_get_created_at, | |
295 | NULL, | |
296 | NULL, | |
297 | NULL, | |
298 | }, | |
d99b0256 MT |
299 | { |
300 | "description", | |
301 | (getter)Database_get_description, | |
302 | NULL, | |
303 | NULL, | |
304 | NULL, | |
305 | }, | |
4bf49d00 MT |
306 | { |
307 | "license", | |
308 | (getter)Database_get_license, | |
309 | NULL, | |
310 | NULL, | |
311 | NULL, | |
312 | }, | |
d99b0256 MT |
313 | { |
314 | "vendor", | |
315 | (getter)Database_get_vendor, | |
316 | NULL, | |
317 | NULL, | |
53524b2d | 318 | NULL, |
d99b0256 MT |
319 | }, |
320 | { NULL }, | |
321 | }; | |
322 | ||
9cdf6c53 MT |
323 | PyTypeObject DatabaseType = { |
324 | PyVarObject_HEAD_INIT(NULL, 0) | |
d42e1dcd MT |
325 | .tp_name = "location.Database", |
326 | .tp_basicsize = sizeof(DatabaseObject), | |
327 | .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, | |
328 | .tp_new = Database_new, | |
329 | .tp_dealloc = (destructor)Database_dealloc, | |
330 | .tp_init = (initproc)Database_init, | |
331 | .tp_doc = "Database object", | |
332 | .tp_methods = Database_methods, | |
333 | .tp_getset = Database_getsetters, | |
334 | .tp_repr = (reprfunc)Database_repr, | |
9cdf6c53 | 335 | }; |
afb426df MT |
336 | |
337 | static PyObject* DatabaseEnumerator_new(PyTypeObject* type, PyObject* args, PyObject* kwds) { | |
338 | DatabaseEnumeratorObject* self = (DatabaseEnumeratorObject*)type->tp_alloc(type, 0); | |
339 | ||
340 | return (PyObject*)self; | |
341 | } | |
342 | ||
343 | static void DatabaseEnumerator_dealloc(DatabaseEnumeratorObject* self) { | |
344 | loc_database_enumerator_unref(self->enumerator); | |
345 | ||
346 | Py_TYPE(self)->tp_free((PyObject* )self); | |
347 | } | |
348 | ||
349 | static PyObject* DatabaseEnumerator_next(DatabaseEnumeratorObject* self) { | |
15f79e2d MT |
350 | struct loc_network* network = NULL; |
351 | ||
ccc7ab4e | 352 | // Enumerate all networks |
15f79e2d MT |
353 | int r = loc_database_enumerator_next_network(self->enumerator, &network); |
354 | if (r) { | |
20bb6d0c | 355 | PyErr_SetFromErrno(PyExc_ValueError); |
15f79e2d MT |
356 | return NULL; |
357 | } | |
358 | ||
359 | // A network was found | |
ccc7ab4e MT |
360 | if (network) { |
361 | PyObject* obj = new_network(&NetworkType, network); | |
362 | loc_network_unref(network); | |
363 | ||
364 | return obj; | |
365 | } | |
366 | ||
367 | // Enumerate all ASes | |
15f79e2d MT |
368 | struct loc_as* as = NULL; |
369 | ||
370 | r = loc_database_enumerator_next_as(self->enumerator, &as); | |
371 | if (r) { | |
20bb6d0c | 372 | PyErr_SetFromErrno(PyExc_ValueError); |
15f79e2d MT |
373 | return NULL; |
374 | } | |
375 | ||
afb426df MT |
376 | if (as) { |
377 | PyObject* obj = new_as(&ASType, as); | |
378 | loc_as_unref(as); | |
379 | ||
380 | return obj; | |
381 | } | |
382 | ||
383 | // Nothing found, that means the end | |
384 | PyErr_SetNone(PyExc_StopIteration); | |
385 | return NULL; | |
386 | } | |
387 | ||
388 | PyTypeObject DatabaseEnumeratorType = { | |
389 | PyVarObject_HEAD_INIT(NULL, 0) | |
d42e1dcd MT |
390 | .tp_name = "location.DatabaseEnumerator", |
391 | .tp_basicsize = sizeof(DatabaseEnumeratorObject), | |
392 | .tp_flags = Py_TPFLAGS_DEFAULT, | |
393 | .tp_alloc = PyType_GenericAlloc, | |
394 | .tp_new = DatabaseEnumerator_new, | |
395 | .tp_dealloc = (destructor)DatabaseEnumerator_dealloc, | |
396 | .tp_iter = PyObject_SelfIter, | |
397 | .tp_iternext = (iternextfunc)DatabaseEnumerator_next, | |
afb426df | 398 | }; |