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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" |
9cdf6c53 | 24 | #include "database.h" |
31edab76 | 25 | #include "network.h" |
9cdf6c53 MT |
26 | |
27 | static PyObject* Database_new(PyTypeObject* type, PyObject* args, PyObject* kwds) { | |
9cdf6c53 | 28 | DatabaseObject* self = (DatabaseObject*)type->tp_alloc(type, 0); |
9cdf6c53 MT |
29 | |
30 | return (PyObject*)self; | |
31 | } | |
32 | ||
33 | static void Database_dealloc(DatabaseObject* self) { | |
34 | if (self->db) | |
35 | loc_database_unref(self->db); | |
36 | ||
6fd96715 MT |
37 | if (self->path) |
38 | free(self->path); | |
39 | ||
9cdf6c53 MT |
40 | Py_TYPE(self)->tp_free((PyObject* )self); |
41 | } | |
42 | ||
43 | static int Database_init(DatabaseObject* self, PyObject* args, PyObject* kwargs) { | |
44 | const char* path = NULL; | |
45 | ||
46 | if (!PyArg_ParseTuple(args, "s", &path)) | |
47 | return -1; | |
48 | ||
6fd96715 MT |
49 | self->path = strdup(path); |
50 | ||
9cdf6c53 | 51 | // Open the file for reading |
6fd96715 | 52 | FILE* f = fopen(self->path, "r"); |
774eea26 MT |
53 | if (!f) { |
54 | PyErr_SetFromErrno(PyExc_IOError); | |
9cdf6c53 | 55 | return -1; |
774eea26 | 56 | } |
9cdf6c53 MT |
57 | |
58 | // Load the database | |
38e07ee0 | 59 | int r = loc_database_new(loc_ctx, &self->db, f); |
9cdf6c53 MT |
60 | fclose(f); |
61 | ||
62 | // Return on any errors | |
63 | if (r) | |
64 | return -1; | |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
6fd96715 MT |
69 | static PyObject* Database_repr(DatabaseObject* self) { |
70 | return PyUnicode_FromFormat("<Database %s>", self->path); | |
71 | } | |
72 | ||
d99b0256 MT |
73 | static PyObject* Database_get_description(DatabaseObject* self) { |
74 | const char* description = loc_database_get_description(self->db); | |
75 | ||
76 | return PyUnicode_FromString(description); | |
77 | } | |
78 | ||
79 | static PyObject* Database_get_vendor(DatabaseObject* self) { | |
80 | const char* vendor = loc_database_get_vendor(self->db); | |
81 | ||
82 | return PyUnicode_FromString(vendor); | |
83 | } | |
84 | ||
4bf49d00 MT |
85 | static PyObject* Database_get_license(DatabaseObject* self) { |
86 | const char* license = loc_database_get_license(self->db); | |
87 | ||
88 | return PyUnicode_FromString(license); | |
89 | } | |
90 | ||
53524b2d MT |
91 | static PyObject* Database_get_created_at(DatabaseObject* self) { |
92 | time_t created_at = loc_database_created_at(self->db); | |
93 | ||
94 | return PyLong_FromLong(created_at); | |
95 | } | |
96 | ||
86ca7ef7 MT |
97 | static PyObject* Database_get_as(DatabaseObject* self, PyObject* args) { |
98 | struct loc_as* as = NULL; | |
99 | uint32_t number = 0; | |
100 | ||
101 | if (!PyArg_ParseTuple(args, "i", &number)) | |
102 | return NULL; | |
103 | ||
104 | // Try to retrieve the AS | |
105 | int r = loc_database_get_as(self->db, &as, number); | |
86ca7ef7 | 106 | |
4a0a0f7e MT |
107 | // We got an AS |
108 | if (r == 0) { | |
86ca7ef7 MT |
109 | PyObject* obj = new_as(&ASType, as); |
110 | loc_as_unref(as); | |
111 | ||
112 | return obj; | |
86ca7ef7 MT |
113 | |
114 | // Nothing found | |
4a0a0f7e MT |
115 | } else if (r == 1) { |
116 | Py_RETURN_NONE; | |
117 | } | |
118 | ||
119 | // Unexpected error | |
120 | return NULL; | |
86ca7ef7 MT |
121 | } |
122 | ||
31edab76 MT |
123 | static PyObject* Database_lookup(DatabaseObject* self, PyObject* args) { |
124 | struct loc_network* network = NULL; | |
125 | const char* address = NULL; | |
126 | ||
127 | if (!PyArg_ParseTuple(args, "s", &address)) | |
128 | return NULL; | |
129 | ||
130 | // Try to retrieve a matching network | |
131 | int r = loc_database_lookup_from_string(self->db, address, &network); | |
132 | ||
133 | // We got a network | |
134 | if (r == 0) { | |
135 | PyObject* obj = new_network(&NetworkType, network); | |
136 | loc_network_unref(network); | |
137 | ||
138 | return obj; | |
139 | ||
140 | // Nothing found | |
141 | } else if (r == 1) { | |
142 | Py_RETURN_NONE; | |
927e82f2 MT |
143 | |
144 | // Invalid input | |
145 | } else if (r == -EINVAL) { | |
146 | PyErr_Format(PyExc_ValueError, "Invalid IP address: %s", address); | |
147 | return NULL; | |
31edab76 MT |
148 | } |
149 | ||
150 | // Unexpected error | |
151 | return NULL; | |
152 | } | |
153 | ||
afb426df MT |
154 | static PyObject* new_database_enumerator(PyTypeObject* type, struct loc_database_enumerator* enumerator) { |
155 | DatabaseEnumeratorObject* self = (DatabaseEnumeratorObject*)type->tp_alloc(type, 0); | |
156 | if (self) { | |
157 | self->enumerator = loc_database_enumerator_ref(enumerator); | |
158 | } | |
159 | ||
160 | return (PyObject*)self; | |
161 | } | |
162 | ||
163 | static PyObject* Database_search_as(DatabaseObject* self, PyObject* args) { | |
164 | const char* string = NULL; | |
165 | ||
166 | if (!PyArg_ParseTuple(args, "s", &string)) | |
167 | return NULL; | |
168 | ||
169 | struct loc_database_enumerator* enumerator; | |
170 | ||
171 | int r = loc_database_enumerator_new(&enumerator, self->db); | |
172 | if (r) { | |
173 | PyErr_SetFromErrno(PyExc_SystemError); | |
174 | return NULL; | |
175 | } | |
176 | ||
177 | // Search string we are searching for | |
178 | loc_database_enumerator_set_string(enumerator, string); | |
179 | ||
180 | PyObject* obj = new_database_enumerator(&DatabaseEnumeratorType, enumerator); | |
181 | loc_database_enumerator_unref(enumerator); | |
182 | ||
183 | return obj; | |
184 | } | |
185 | ||
9cdf6c53 | 186 | static struct PyMethodDef Database_methods[] = { |
86ca7ef7 MT |
187 | { |
188 | "get_as", | |
189 | (PyCFunction)Database_get_as, | |
190 | METH_VARARGS, | |
191 | NULL, | |
192 | }, | |
31edab76 MT |
193 | { |
194 | "lookup", | |
195 | (PyCFunction)Database_lookup, | |
196 | METH_VARARGS, | |
197 | NULL, | |
198 | }, | |
afb426df MT |
199 | { |
200 | "search_as", | |
201 | (PyCFunction)Database_search_as, | |
202 | METH_VARARGS, | |
203 | NULL, | |
204 | }, | |
9cdf6c53 MT |
205 | { NULL }, |
206 | }; | |
207 | ||
d99b0256 | 208 | static struct PyGetSetDef Database_getsetters[] = { |
53524b2d MT |
209 | { |
210 | "created_at", | |
211 | (getter)Database_get_created_at, | |
212 | NULL, | |
213 | NULL, | |
214 | NULL, | |
215 | }, | |
d99b0256 MT |
216 | { |
217 | "description", | |
218 | (getter)Database_get_description, | |
219 | NULL, | |
220 | NULL, | |
221 | NULL, | |
222 | }, | |
4bf49d00 MT |
223 | { |
224 | "license", | |
225 | (getter)Database_get_license, | |
226 | NULL, | |
227 | NULL, | |
228 | NULL, | |
229 | }, | |
d99b0256 MT |
230 | { |
231 | "vendor", | |
232 | (getter)Database_get_vendor, | |
233 | NULL, | |
234 | NULL, | |
53524b2d | 235 | NULL, |
d99b0256 MT |
236 | }, |
237 | { NULL }, | |
238 | }; | |
239 | ||
9cdf6c53 MT |
240 | PyTypeObject DatabaseType = { |
241 | PyVarObject_HEAD_INIT(NULL, 0) | |
242 | tp_name: "location.Database", | |
243 | tp_basicsize: sizeof(DatabaseObject), | |
244 | tp_flags: Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, | |
245 | tp_new: Database_new, | |
246 | tp_dealloc: (destructor)Database_dealloc, | |
247 | tp_init: (initproc)Database_init, | |
248 | tp_doc: "Database object", | |
249 | tp_methods: Database_methods, | |
d99b0256 | 250 | tp_getset: Database_getsetters, |
6fd96715 | 251 | tp_repr: (reprfunc)Database_repr, |
9cdf6c53 | 252 | }; |
afb426df MT |
253 | |
254 | static PyObject* DatabaseEnumerator_new(PyTypeObject* type, PyObject* args, PyObject* kwds) { | |
255 | DatabaseEnumeratorObject* self = (DatabaseEnumeratorObject*)type->tp_alloc(type, 0); | |
256 | ||
257 | return (PyObject*)self; | |
258 | } | |
259 | ||
260 | static void DatabaseEnumerator_dealloc(DatabaseEnumeratorObject* self) { | |
261 | loc_database_enumerator_unref(self->enumerator); | |
262 | ||
263 | Py_TYPE(self)->tp_free((PyObject* )self); | |
264 | } | |
265 | ||
266 | static PyObject* DatabaseEnumerator_next(DatabaseEnumeratorObject* self) { | |
267 | struct loc_as* as = loc_database_enumerator_next_as(self->enumerator); | |
268 | if (as) { | |
269 | PyObject* obj = new_as(&ASType, as); | |
270 | loc_as_unref(as); | |
271 | ||
272 | return obj; | |
273 | } | |
274 | ||
275 | // Nothing found, that means the end | |
276 | PyErr_SetNone(PyExc_StopIteration); | |
277 | return NULL; | |
278 | } | |
279 | ||
280 | PyTypeObject DatabaseEnumeratorType = { | |
281 | PyVarObject_HEAD_INIT(NULL, 0) | |
282 | tp_name: "location.DatabaseEnumerator", | |
283 | tp_basicsize: sizeof(DatabaseEnumeratorObject), | |
284 | tp_flags: Py_TPFLAGS_DEFAULT, | |
285 | tp_alloc: PyType_GenericAlloc, | |
286 | tp_new: DatabaseEnumerator_new, | |
287 | tp_dealloc: (destructor)DatabaseEnumerator_dealloc, | |
288 | tp_iter: PyObject_SelfIter, | |
289 | tp_iternext: (iternextfunc)DatabaseEnumerator_next, | |
290 | }; |