libiwinfo:
[project/luci.git] / contrib / package / iwinfo / src / iwinfo_lualib.c
1 /*
2  * iwinfo - Wireless Information Library - Lua Bindings
3  *
4  *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
5  *
6  * The iwinfo library is free software: you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License version 2
8  * as published by the Free Software Foundation.
9  *
10  * The iwinfo library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13  * See the GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with the iwinfo library. If not, see http://www.gnu.org/licenses/.
17  */
18
19 #include "iwinfo_lualib.h"
20
21
22 /*
23  * ISO3166 country labels
24  */
25
26 struct iwinfo_iso3166_label ISO3166_Names[] = {
27         { 0x3030 /* 00 */, "World" },
28         { 0x4144 /* AD */, "Andorra" },
29         { 0x4145 /* AE */, "United Arab Emirates" },
30         { 0x4146 /* AF */, "Afghanistan" },
31         { 0x4147 /* AG */, "Antigua and Barbuda" },
32         { 0x4149 /* AI */, "Anguilla" },
33         { 0x414C /* AL */, "Albania" },
34         { 0x414D /* AM */, "Armenia" },
35         { 0x414E /* AN */, "Netherlands Antilles" },
36         { 0x414F /* AO */, "Angola" },
37         { 0x4151 /* AQ */, "Antarctica" },
38         { 0x4152 /* AR */, "Argentina" },
39         { 0x4153 /* AS */, "American Samoa" },
40         { 0x4154 /* AT */, "Austria" },
41         { 0x4155 /* AU */, "Australia" },
42         { 0x4157 /* AW */, "Aruba" },
43         { 0x4158 /* AX */, "Aland Islands" },
44         { 0x415A /* AZ */, "Azerbaijan" },
45         { 0x4241 /* BA */, "Bosnia and Herzegovina" },
46         { 0x4242 /* BB */, "Barbados" },
47         { 0x4244 /* BD */, "Bangladesh" },
48         { 0x4245 /* BE */, "Belgium" },
49         { 0x4246 /* BF */, "Burkina Faso" },
50         { 0x4247 /* BG */, "Bulgaria" },
51         { 0x4248 /* BH */, "Bahrain" },
52         { 0x4249 /* BI */, "Burundi" },
53         { 0x424A /* BJ */, "Benin" },
54         { 0x424C /* BL */, "Saint Barthelemy" },
55         { 0x424D /* BM */, "Bermuda" },
56         { 0x424E /* BN */, "Brunei Darussalam" },
57         { 0x424F /* BO */, "Bolivia" },
58         { 0x4252 /* BR */, "Brazil" },
59         { 0x4253 /* BS */, "Bahamas" },
60         { 0x4254 /* BT */, "Bhutan" },
61         { 0x4256 /* BV */, "Bouvet Island" },
62         { 0x4257 /* BW */, "Botswana" },
63         { 0x4259 /* BY */, "Belarus" },
64         { 0x425A /* BZ */, "Belize" },
65         { 0x4341 /* CA */, "Canada" },
66         { 0x4343 /* CC */, "Cocos (Keeling) Islands" },
67         { 0x4344 /* CD */, "Congo" },
68         { 0x4346 /* CF */, "Central African Republic" },
69         { 0x4347 /* CG */, "Congo" },
70         { 0x4348 /* CH */, "Switzerland" },
71         { 0x4349 /* CI */, "Cote d'Ivoire" },
72         { 0x434B /* CK */, "Cook Islands" },
73         { 0x434C /* CL */, "Chile" },
74         { 0x434D /* CM */, "Cameroon" },
75         { 0x434E /* CN */, "China" },
76         { 0x434F /* CO */, "Colombia" },
77         { 0x4352 /* CR */, "Costa Rica" },
78         { 0x4355 /* CU */, "Cuba" },
79         { 0x4356 /* CV */, "Cape Verde" },
80         { 0x4358 /* CX */, "Christmas Island" },
81         { 0x4359 /* CY */, "Cyprus" },
82         { 0x435A /* CZ */, "Czech Republic" },
83         { 0x4445 /* DE */, "Germany" },
84         { 0x444A /* DJ */, "Djibouti" },
85         { 0x444B /* DK */, "Denmark" },
86         { 0x444D /* DM */, "Dominica" },
87         { 0x444F /* DO */, "Dominican Republic" },
88         { 0x445A /* DZ */, "Algeria" },
89         { 0x4543 /* EC */, "Ecuador" },
90         { 0x4545 /* EE */, "Estonia" },
91         { 0x4547 /* EG */, "Egypt" },
92         { 0x4548 /* EH */, "Western Sahara" },
93         { 0x4552 /* ER */, "Eritrea" },
94         { 0x4553 /* ES */, "Spain" },
95         { 0x4554 /* ET */, "Ethiopia" },
96         { 0x4649 /* FI */, "Finland" },
97         { 0x464A /* FJ */, "Fiji" },
98         { 0x464B /* FK */, "Falkland Islands" },
99         { 0x464D /* FM */, "Micronesia" },
100         { 0x464F /* FO */, "Faroe Islands" },
101         { 0x4652 /* FR */, "France" },
102         { 0x4741 /* GA */, "Gabon" },
103         { 0x4742 /* GB */, "United Kingdom" },
104         { 0x4744 /* GD */, "Grenada" },
105         { 0x4745 /* GE */, "Georgia" },
106         { 0x4746 /* GF */, "French Guiana" },
107         { 0x4747 /* GG */, "Guernsey" },
108         { 0x4748 /* GH */, "Ghana" },
109         { 0x4749 /* GI */, "Gibraltar" },
110         { 0x474C /* GL */, "Greenland" },
111         { 0x474D /* GM */, "Gambia" },
112         { 0x474E /* GN */, "Guinea" },
113         { 0x4750 /* GP */, "Guadeloupe" },
114         { 0x4751 /* GQ */, "Equatorial Guinea" },
115         { 0x4752 /* GR */, "Greece" },
116         { 0x4753 /* GS */, "South Georgia" },
117         { 0x4754 /* GT */, "Guatemala" },
118         { 0x4755 /* GU */, "Guam" },
119         { 0x4757 /* GW */, "Guinea-Bissau" },
120         { 0x4759 /* GY */, "Guyana" },
121         { 0x484B /* HK */, "Hong Kong" },
122         { 0x484D /* HM */, "Heard and McDonald Islands" },
123         { 0x484E /* HN */, "Honduras" },
124         { 0x4852 /* HR */, "Croatia" },
125         { 0x4854 /* HT */, "Haiti" },
126         { 0x4855 /* HU */, "Hungary" },
127         { 0x4944 /* ID */, "Indonesia" },
128         { 0x4945 /* IE */, "Ireland" },
129         { 0x494C /* IL */, "Israel" },
130         { 0x494D /* IM */, "Isle of Man" },
131         { 0x494E /* IN */, "India" },
132         { 0x494F /* IO */, "Chagos Islands" },
133         { 0x4951 /* IQ */, "Iraq" },
134         { 0x4952 /* IR */, "Iran" },
135         { 0x4953 /* IS */, "Iceland" },
136         { 0x4954 /* IT */, "Italy" },
137         { 0x4A45 /* JE */, "Jersey" },
138         { 0x4A4D /* JM */, "Jamaica" },
139         { 0x4A4F /* JO */, "Jordan" },
140         { 0x4A50 /* JP */, "Japan" },
141         { 0x4B45 /* KE */, "Kenya" },
142         { 0x4B47 /* KG */, "Kyrgyzstan" },
143         { 0x4B48 /* KH */, "Cambodia" },
144         { 0x4B49 /* KI */, "Kiribati" },
145         { 0x4B4D /* KM */, "Comoros" },
146         { 0x4B4E /* KN */, "Saint Kitts and Nevis" },
147         { 0x4B50 /* KP */, "North Korea" },
148         { 0x4B52 /* KR */, "South Korea" },
149         { 0x4B57 /* KW */, "Kuwait" },
150         { 0x4B59 /* KY */, "Cayman Islands" },
151         { 0x4B5A /* KZ */, "Kazakhstan" },
152         { 0x4C41 /* LA */, "Laos" },
153         { 0x4C42 /* LB */, "Lebanon" },
154         { 0x4C43 /* LC */, "Saint Lucia" },
155         { 0x4C49 /* LI */, "Liechtenstein" },
156         { 0x4C4B /* LK */, "Sri Lanka" },
157         { 0x4C52 /* LR */, "Liberia" },
158         { 0x4C53 /* LS */, "Lesotho" },
159         { 0x4C54 /* LT */, "Lithuania" },
160         { 0x4C55 /* LU */, "Luxembourg" },
161         { 0x4C56 /* LV */, "Latvia" },
162         { 0x4C59 /* LY */, "Libyan Arab Jamahiriya" },
163         { 0x4D41 /* MA */, "Morocco" },
164         { 0x4D43 /* MC */, "Monaco" },
165         { 0x4D44 /* MD */, "Moldova" },
166         { 0x4D45 /* ME */, "Montenegro" },
167         { 0x4D46 /* MF */, "Saint Martin (French part)" },
168         { 0x4D47 /* MG */, "Madagascar" },
169         { 0x4D48 /* MH */, "Marshall Islands" },
170         { 0x4D4B /* MK */, "Macedonia" },
171         { 0x4D4C /* ML */, "Mali" },
172         { 0x4D4D /* MM */, "Myanmar" },
173         { 0x4D4E /* MN */, "Mongolia" },
174         { 0x4D4F /* MO */, "Macao" },
175         { 0x4D50 /* MP */, "Northern Mariana Islands" },
176         { 0x4D51 /* MQ */, "Martinique" },
177         { 0x4D52 /* MR */, "Mauritania" },
178         { 0x4D53 /* MS */, "Montserrat" },
179         { 0x4D54 /* MT */, "Malta" },
180         { 0x4D55 /* MU */, "Mauritius" },
181         { 0x4D56 /* MV */, "Maldives" },
182         { 0x4D57 /* MW */, "Malawi" },
183         { 0x4D58 /* MX */, "Mexico" },
184         { 0x4D59 /* MY */, "Malaysia" },
185         { 0x4D5A /* MZ */, "Mozambique" },
186         { 0x4E41 /* NA */, "Namibia" },
187         { 0x4E43 /* NC */, "New Caledonia" },
188         { 0x4E45 /* NE */, "Niger" },
189         { 0x4E46 /* NF */, "Norfolk Island" },
190         { 0x4E47 /* NG */, "Nigeria" },
191         { 0x4E49 /* NI */, "Nicaragua" },
192         { 0x4E4C /* NL */, "Netherlands" },
193         { 0x4E4F /* NO */, "Norway" },
194         { 0x4E50 /* NP */, "Nepal" },
195         { 0x4E52 /* NR */, "Nauru" },
196         { 0x4E55 /* NU */, "Niue" },
197         { 0x4E5A /* NZ */, "New Zealand" },
198         { 0x4F4D /* OM */, "Oman" },
199         { 0x5041 /* PA */, "Panama" },
200         { 0x5045 /* PE */, "Peru" },
201         { 0x5046 /* PF */, "French Polynesia" },
202         { 0x5047 /* PG */, "Papua New Guinea" },
203         { 0x5048 /* PH */, "Philippines" },
204         { 0x504B /* PK */, "Pakistan" },
205         { 0x504C /* PL */, "Poland" },
206         { 0x504D /* PM */, "Saint Pierre and Miquelon" },
207         { 0x504E /* PN */, "Pitcairn" },
208         { 0x5052 /* PR */, "Puerto Rico" },
209         { 0x5053 /* PS */, "Palestinian Territory" },
210         { 0x5054 /* PT */, "Portugal" },
211         { 0x5057 /* PW */, "Palau" },
212         { 0x5059 /* PY */, "Paraguay" },
213         { 0x5141 /* QA */, "Qatar" },
214         { 0x5245 /* RE */, "Reunion" },
215         { 0x524F /* RO */, "Romania" },
216         { 0x5253 /* RS */, "Serbia" },
217         { 0x5255 /* RU */, "Russian Federation" },
218         { 0x5257 /* RW */, "Rwanda" },
219         { 0x5341 /* SA */, "Saudi Arabia" },
220         { 0x5342 /* SB */, "Solomon Islands" },
221         { 0x5343 /* SC */, "Seychelles" },
222         { 0x5344 /* SD */, "Sudan" },
223         { 0x5345 /* SE */, "Sweden" },
224         { 0x5347 /* SG */, "Singapore" },
225         { 0x5348 /* SH */, "St. Helena and Dependencies" },
226         { 0x5349 /* SI */, "Slovenia" },
227         { 0x534A /* SJ */, "Svalbard and Jan Mayen" },
228         { 0x534B /* SK */, "Slovakia" },
229         { 0x534C /* SL */, "Sierra Leone" },
230         { 0x534D /* SM */, "San Marino" },
231         { 0x534E /* SN */, "Senegal" },
232         { 0x534F /* SO */, "Somalia" },
233         { 0x5352 /* SR */, "Suriname" },
234         { 0x5354 /* ST */, "Sao Tome and Principe" },
235         { 0x5356 /* SV */, "El Salvador" },
236         { 0x5359 /* SY */, "Syrian Arab Republic" },
237         { 0x535A /* SZ */, "Swaziland" },
238         { 0x5443 /* TC */, "Turks and Caicos Islands" },
239         { 0x5444 /* TD */, "Chad" },
240         { 0x5446 /* TF */, "French Southern Territories" },
241         { 0x5447 /* TG */, "Togo" },
242         { 0x5448 /* TH */, "Thailand" },
243         { 0x544A /* TJ */, "Tajikistan" },
244         { 0x544B /* TK */, "Tokelau" },
245         { 0x544C /* TL */, "Timor-Leste" },
246         { 0x544D /* TM */, "Turkmenistan" },
247         { 0x544E /* TN */, "Tunisia" },
248         { 0x544F /* TO */, "Tonga" },
249         { 0x5452 /* TR */, "Turkey" },
250         { 0x5454 /* TT */, "Trinidad and Tobago" },
251         { 0x5456 /* TV */, "Tuvalu" },
252         { 0x5457 /* TW */, "Taiwan" },
253         { 0x545A /* TZ */, "Tanzania" },
254         { 0x5541 /* UA */, "Ukraine" },
255         { 0x5547 /* UG */, "Uganda" },
256         { 0x554D /* UM */, "U.S. Minor Outlying Islands" },
257         { 0x5553 /* US */, "United States" },
258         { 0x5559 /* UY */, "Uruguay" },
259         { 0x555A /* UZ */, "Uzbekistan" },
260         { 0x5641 /* VA */, "Vatican City State" },
261         { 0x5643 /* VC */, "St. Vincent and Grenadines" },
262         { 0x5645 /* VE */, "Venezuela" },
263         { 0x5647 /* VG */, "Virgin Islands, British" },
264         { 0x5649 /* VI */, "Virgin Islands, U.S." },
265         { 0x564E /* VN */, "Viet Nam" },
266         { 0x5655 /* VU */, "Vanuatu" },
267         { 0x5746 /* WF */, "Wallis and Futuna" },
268         { 0x5753 /* WS */, "Samoa" },
269         { 0x5945 /* YE */, "Yemen" },
270         { 0x5954 /* YT */, "Mayotte" },
271         { 0x5A41 /* ZA */, "South Africa" },
272         { 0x5A4D /* ZM */, "Zambia" },
273         { 0x5A57 /* ZW */, "Zimbabwe" },
274         { 0,               "" }
275 };
276
277
278
279 /* Determine type */
280 static int iwinfo_L_type(lua_State *L)
281 {
282         const char *ifname = luaL_checkstring(L, 1);
283
284 #ifdef USE_NL80211
285         if( nl80211_probe(ifname) )
286                 lua_pushstring(L, "nl80211");
287         else
288 #endif
289
290 #ifdef USE_MADWIFI
291         if( madwifi_probe(ifname) )
292                 lua_pushstring(L, "madwifi");
293         else
294 #endif
295
296 #ifdef USE_WL
297         if( wl_probe(ifname) )
298                 lua_pushstring(L, "wl");
299         else
300 #endif
301
302         if( wext_probe(ifname) )
303                 lua_pushstring(L, "wext");
304
305         else
306                 lua_pushnil(L);
307
308         return 1;
309 }
310
311 /* Shutdown backends */
312 static int iwinfo_L__gc(lua_State *L)
313 {
314 #ifdef USE_WL
315         wl_close();
316 #endif
317 #ifdef USE_MADWIFI
318         madwifi_close();
319 #endif
320 #ifdef USE_NL80211
321         nl80211_close();
322 #endif
323         wext_close();
324         iwinfo_close();
325 }
326
327 /*
328  * Build a short textual description of the crypto info
329  */
330
331 static char * iwinfo_crypto_print_ciphers(int ciphers)
332 {
333         static char str[128] = { 0 };
334         char *pos = str;
335
336         if( ciphers & IWINFO_CIPHER_WEP40 )
337                 pos += sprintf(pos, "WEP-40, ");
338
339         if( ciphers & IWINFO_CIPHER_WEP104 )
340                 pos += sprintf(pos, "WEP-104, ");
341
342         if( ciphers & IWINFO_CIPHER_TKIP )
343                 pos += sprintf(pos, "TKIP, ");
344
345         if( ciphers & IWINFO_CIPHER_CCMP )
346                 pos += sprintf(pos, "CCMP, ");
347
348         if( ciphers & IWINFO_CIPHER_WRAP )
349                 pos += sprintf(pos, "WRAP, ");
350
351         if( ciphers & IWINFO_CIPHER_AESOCB )
352                 pos += sprintf(pos, "AES-OCB, ");
353
354         if( ciphers & IWINFO_CIPHER_CKIP )
355                 pos += sprintf(pos, "CKIP, ");
356
357         if( !ciphers || (ciphers & IWINFO_CIPHER_NONE) )
358                 pos += sprintf(pos, "NONE, ");
359
360         *(pos - 2) = 0;
361
362         return str;
363 }
364
365 static char * iwinfo_crypto_print_suites(int suites)
366 {
367         static char str[64] = { 0 };
368         char *pos = str;
369
370         if( suites & IWINFO_KMGMT_PSK )
371                 pos += sprintf(pos, "PSK/");
372
373         if( suites & IWINFO_KMGMT_8021x )
374                 pos += sprintf(pos, "802.1X/");
375
376         if( !suites || (suites & IWINFO_KMGMT_NONE) )
377                 pos += sprintf(pos, "NONE/");
378
379         *(pos - 1) = 0;
380
381         return str;
382 }
383
384 static char * iwinfo_crypto_desc(struct iwinfo_crypto_entry *c)
385 {
386         static char desc[512] = { 0 };
387
388         if( c )
389         {
390                 if( c->enabled )
391                 {
392                         /* WEP */
393                         if( c->auth_algs && !c->wpa_version )
394                         {
395                                 if( (c->auth_algs & IWINFO_AUTH_OPEN) &&
396                                     (c->auth_algs & IWINFO_AUTH_SHARED) )
397                                 {
398                                         sprintf(desc, "WEP Open/Shared (%s)",
399                                                 iwinfo_crypto_print_ciphers(c->pair_ciphers));
400                                 }
401                                 else if( c->auth_algs & IWINFO_AUTH_OPEN )
402                                 {
403                                         sprintf(desc, "WEP Open System (%s)",
404                                                 iwinfo_crypto_print_ciphers(c->pair_ciphers));
405                                 }
406                                 else if( c->auth_algs & IWINFO_AUTH_SHARED )
407                                 {
408                                         sprintf(desc, "WEP Shared Auth (%s)",
409                                                 iwinfo_crypto_print_ciphers(c->pair_ciphers));
410                                 }
411                         }
412
413                         /* WPA */
414                         else if( c->wpa_version )
415                         {
416                                 switch(c->wpa_version) {
417                                         case 3:
418                                                 sprintf(desc, "mixed WPA/WPA2 %s (%s)",
419                                                         iwinfo_crypto_print_suites(c->auth_suites),
420                                                         iwinfo_crypto_print_ciphers(
421                                                                 c->pair_ciphers & c->group_ciphers));
422                                                 break;
423
424                                         case 2:
425                                                 sprintf(desc, "WPA2 %s (%s)",
426                                                         iwinfo_crypto_print_suites(c->auth_suites),
427                                                         iwinfo_crypto_print_ciphers(
428                                                                 c->pair_ciphers & c->group_ciphers));
429                                                 break;
430
431                                         case 1:
432                                                 sprintf(desc, "WPA %s (%s)",
433                                                         iwinfo_crypto_print_suites(c->auth_suites),
434                                                         iwinfo_crypto_print_ciphers(
435                                                                 c->pair_ciphers & c->group_ciphers));
436                                                 break;
437                                 }
438                         }
439                         else
440                         {
441                                 sprintf(desc, "None");
442                         }
443                 }
444                 else
445                 {
446                         sprintf(desc, "None");
447                 }
448         }
449         else
450         {
451                 sprintf(desc, "Unknown");
452         }
453
454         return desc;
455 }
456
457 /* Build Lua table from crypto data */
458 static void iwinfo_L_cryptotable(lua_State *L, struct iwinfo_crypto_entry *c)
459 {
460         int i, j;
461
462         lua_newtable(L);
463
464         lua_pushboolean(L, c->enabled);
465         lua_setfield(L, -2, "enabled");
466
467         lua_pushstring(L, iwinfo_crypto_desc(c));
468         lua_setfield(L, -2, "description");
469
470         lua_pushboolean(L, (c->enabled && !c->wpa_version));
471         lua_setfield(L, -2, "wep");
472
473         lua_pushinteger(L, c->wpa_version);
474         lua_setfield(L, -2, "wpa");
475
476         lua_newtable(L);
477         for( i = 0, j = 1; i < 8; i++ )
478         {
479                 if( c->pair_ciphers & (1 << i) )
480                 {
481                         lua_pushstring(L, IWINFO_CIPHER_NAMES[i]);
482                         lua_rawseti(L, -2, j++);
483                 }
484         }
485         lua_setfield(L, -2, "pair_ciphers");
486
487         lua_newtable(L);
488         for( i = 0, j = 1; i < 8; i++ )
489         {
490                 if( c->group_ciphers & (1 << i) )
491                 {
492                         lua_pushstring(L, IWINFO_CIPHER_NAMES[i]);
493                         lua_rawseti(L, -2, j++);
494                 }
495         }
496         lua_setfield(L, -2, "group_ciphers");
497
498         lua_newtable(L);
499         for( i = 0, j = 1; i < 8; i++ )
500         {
501                 if( c->auth_suites & (1 << i) )
502                 {
503                         lua_pushstring(L, IWINFO_KMGMT_NAMES[i]);
504                         lua_rawseti(L, -2, j++);
505                 }
506         }
507         lua_setfield(L, -2, "auth_suites");
508
509         lua_newtable(L);
510         for( i = 0, j = 1; i < 8; i++ )
511         {
512                 if( c->auth_algs & (1 << i) )
513                 {
514                         lua_pushstring(L, IWINFO_AUTH_NAMES[i]);
515                         lua_rawseti(L, -2, j++);
516                 }
517         }
518         lua_setfield(L, -2, "auth_algs");
519 }
520
521
522 /* Wrapper for assoclist */
523 static int iwinfo_L_assoclist(lua_State *L, int (*func)(const char *, char *, int *))
524 {
525         int i, len;
526         char rv[IWINFO_BUFSIZE];
527         char macstr[18];
528         const char *ifname = luaL_checkstring(L, 1);
529         struct iwinfo_assoclist_entry *e;
530
531         lua_newtable(L);
532         memset(rv, 0, sizeof(rv));
533
534         if( !(*func)(ifname, rv, &len) )
535         {
536                 for( i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry) )
537                 {
538                         e = (struct iwinfo_assoclist_entry *) &rv[i];
539
540                         sprintf(macstr, "%02X:%02X:%02X:%02X:%02X:%02X",
541                                 e->mac[0], e->mac[1], e->mac[2],
542                                 e->mac[3], e->mac[4], e->mac[5]);
543
544                         lua_newtable(L);
545
546                         lua_pushnumber(L, e->signal);
547                         lua_setfield(L, -2, "signal");
548
549                         lua_pushnumber(L, e->noise);
550                         lua_setfield(L, -2, "noise");
551
552                         lua_setfield(L, -2, macstr);
553                 }
554         }
555
556         return 1;
557 }
558
559 /* Wrapper for tx power list */
560 static int iwinfo_L_txpwrlist(lua_State *L, int (*func)(const char *, char *, int *))
561 {
562         int i, x, len;
563         char rv[IWINFO_BUFSIZE];
564         const char *ifname = luaL_checkstring(L, 1);
565         struct iwinfo_txpwrlist_entry *e;
566
567         lua_newtable(L);
568         memset(rv, 0, sizeof(rv));
569
570         if( !(*func)(ifname, rv, &len) )
571         {
572                 for( i = 0, x = 1; i < len; i += sizeof(struct iwinfo_txpwrlist_entry), x++ )
573                 {
574                         e = (struct iwinfo_txpwrlist_entry *) &rv[i];
575
576                         lua_newtable(L);
577
578                         lua_pushnumber(L, e->mw);
579                         lua_setfield(L, -2, "mw");
580
581                         lua_pushnumber(L, e->dbm);
582                         lua_setfield(L, -2, "dbm");
583
584                         lua_rawseti(L, -2, x);
585                 }
586         }
587
588         return 1;
589 }
590
591 /* Wrapper for scan list */
592 static int iwinfo_L_scanlist(lua_State *L, int (*func)(const char *, char *, int *))
593 {
594         int i, x, len;
595         char rv[IWINFO_BUFSIZE];
596         char macstr[18];
597         const char *ifname = luaL_checkstring(L, 1);
598         struct iwinfo_scanlist_entry *e;
599
600         lua_newtable(L);
601         memset(rv, 0, sizeof(rv));
602
603         if( !(*func)(ifname, rv, &len) )
604         {
605                 for( i = 0, x = 1; i < len; i += sizeof(struct iwinfo_scanlist_entry), x++ )
606                 {
607                         e = (struct iwinfo_scanlist_entry *) &rv[i];
608
609                         lua_newtable(L);
610
611                         /* BSSID */
612                         sprintf(macstr, "%02X:%02X:%02X:%02X:%02X:%02X",
613                                 e->mac[0], e->mac[1], e->mac[2],
614                                 e->mac[3], e->mac[4], e->mac[5]);
615
616                         lua_pushstring(L, macstr);
617                         lua_setfield(L, -2, "bssid");
618
619                         /* ESSID */
620                         if( e->ssid[0] )
621                         {
622                                 lua_pushstring(L, (char *) e->ssid);
623                                 lua_setfield(L, -2, "ssid");
624                         }
625
626                         /* Channel */
627                         lua_pushinteger(L, e->channel);
628                         lua_setfield(L, -2, "channel");
629
630                         /* Mode */
631                         lua_pushstring(L, (char *) e->mode);
632                         lua_setfield(L, -2, "mode");
633
634                         /* Quality, Signal */
635                         lua_pushinteger(L, e->quality);
636                         lua_setfield(L, -2, "quality");
637
638                         lua_pushinteger(L, e->quality_max);
639                         lua_setfield(L, -2, "quality_max");
640
641                         lua_pushnumber(L, (e->signal - 0x100));
642                         lua_setfield(L, -2, "signal");
643
644                         /* Crypto */
645                         iwinfo_L_cryptotable(L, &e->crypto);
646                         lua_setfield(L, -2, "encryption");
647
648                         lua_rawseti(L, -2, x);
649                 }
650         }
651
652         return 1;
653 }
654
655 /* Wrapper for frequency list */
656 static int iwinfo_L_freqlist(lua_State *L, int (*func)(const char *, char *, int *))
657 {
658         int i, x, len;
659         char rv[IWINFO_BUFSIZE];
660         const char *ifname = luaL_checkstring(L, 1);
661         struct iwinfo_freqlist_entry *e;
662
663         lua_newtable(L);
664         memset(rv, 0, sizeof(rv));
665
666         if( !(*func)(ifname, rv, &len) )
667         {
668                 for( i = 0, x = 1; i < len; i += sizeof(struct iwinfo_freqlist_entry), x++ )
669                 {
670                         e = (struct iwinfo_freqlist_entry *) &rv[i];
671
672                         lua_newtable(L);
673
674                         /* MHz */
675                         lua_pushinteger(L, e->mhz);
676                         lua_setfield(L, -2, "mhz");
677
678                         /* Channel */
679                         lua_pushinteger(L, e->channel);
680                         lua_setfield(L, -2, "channel");
681
682                         /* Restricted (DFS/TPC/Radar) */
683                         lua_pushboolean(L, e->restricted);
684                         lua_setfield(L, -2, "restricted");
685
686                         lua_rawseti(L, -2, x);
687                 }
688         }
689
690         return 1;
691 }
692
693 /* Wrapper for crypto settings */
694 static int iwinfo_L_encryption(lua_State *L, int (*func)(const char *, char *))
695 {
696         const char *ifname = luaL_checkstring(L, 1);
697         struct iwinfo_crypto_entry c = { 0 };
698
699         if( !(*func)(ifname, (char *)&c) )
700         {
701                 iwinfo_L_cryptotable(L, &c);
702                 return 1;
703         }
704
705         lua_pushnil(L);
706         return 1;
707 }
708
709 /* Wrapper for hwmode list */
710 static int iwinfo_L_hwmodelist(lua_State *L, int (*func)(const char *, int *))
711 {
712         const char *ifname = luaL_checkstring(L, 1);
713         int hwmodes = 0;
714
715         if( !(*func)(ifname, &hwmodes) )
716         {
717                 lua_newtable(L);
718
719                 lua_pushboolean(L, hwmodes & IWINFO_80211_A);
720                 lua_setfield(L, -2, "a");
721
722                 lua_pushboolean(L, hwmodes & IWINFO_80211_B);
723                 lua_setfield(L, -2, "b");
724
725                 lua_pushboolean(L, hwmodes & IWINFO_80211_G);
726                 lua_setfield(L, -2, "g");
727
728                 lua_pushboolean(L, hwmodes & IWINFO_80211_N);
729                 lua_setfield(L, -2, "n");
730
731                 return 1;
732         }
733
734         lua_pushnil(L);
735         return 1;
736 }
737
738 /* Wrapper for mbbsid_support */
739 static int iwinfo_L_mbssid_support(lua_State *L, int (*func)(const char *, int *))
740 {
741         const char *ifname = luaL_checkstring(L, 1);
742         int support = 0;
743
744         if( !(*func)(ifname, &support) )
745         {
746                 lua_pushboolean(L, support);
747                 return 1;
748         }
749
750         lua_pushnil(L);
751         return 1;
752 }
753
754 /* Wrapper for country list */
755 static char * iwinfo_L_country_lookup(char *buf, int len, int iso3166)
756 {
757         int i;
758         struct iwinfo_country_entry *c;
759
760         for( i = 0; i < len; i += sizeof(struct iwinfo_country_entry) )
761         {
762                 c = (struct iwinfo_country_entry *) &buf[i];
763
764                 if( c->iso3166 == iso3166 )
765                         return c->ccode;
766         }
767
768         return NULL;
769 }
770
771 static int iwinfo_L_countrylist(lua_State *L, int (*func)(const char *, char *, int *))
772 {
773         int len, i, j;
774         char rv[IWINFO_BUFSIZE], alpha2[3];
775         char *ccode;
776         const char *ifname = luaL_checkstring(L, 1);
777         struct iwinfo_iso3166_label *l;
778
779         lua_newtable(L);
780         memset(rv, 0, sizeof(rv));
781
782         if( !(*func)(ifname, rv, &len) )
783         {
784                 for( l = ISO3166_Names, j = 1; l->iso3166; l++ )
785                 {
786                         if( (ccode = iwinfo_L_country_lookup(rv, len, l->iso3166)) != NULL )
787                         {
788                                 sprintf(alpha2, "%c%c",
789                                         (l->iso3166 / 256), (l->iso3166 % 256));
790
791                                 lua_newtable(L);
792
793                                 lua_pushstring(L, alpha2);
794                                 lua_setfield(L, -2, "alpha2");
795
796                                 lua_pushstring(L, ccode);
797                                 lua_setfield(L, -2, "ccode");
798
799                                 lua_pushstring(L, l->name);
800                                 lua_setfield(L, -2, "name");
801
802                                 lua_rawseti(L, -2, j++);
803                         }
804                 }
805         }
806
807         return 1;
808 }
809
810
811 #ifdef USE_WL
812 /* Broadcom */
813 LUA_WRAP_INT(wl,channel)
814 LUA_WRAP_INT(wl,frequency)
815 LUA_WRAP_INT(wl,txpower)
816 LUA_WRAP_INT(wl,bitrate)
817 LUA_WRAP_INT(wl,signal)
818 LUA_WRAP_INT(wl,noise)
819 LUA_WRAP_INT(wl,quality)
820 LUA_WRAP_INT(wl,quality_max)
821 LUA_WRAP_STRING(wl,mode)
822 LUA_WRAP_STRING(wl,ssid)
823 LUA_WRAP_STRING(wl,bssid)
824 LUA_WRAP_STRING(wl,country)
825 LUA_WRAP_LIST(wl,assoclist)
826 LUA_WRAP_LIST(wl,txpwrlist)
827 LUA_WRAP_LIST(wl,scanlist)
828 LUA_WRAP_LIST(wl,freqlist)
829 LUA_WRAP_LIST(wl,countrylist)
830 LUA_WRAP_LIST(wl,hwmodelist)
831 LUA_WRAP_LIST(wl,encryption)
832 LUA_WRAP_LIST(wl,mbssid_support)
833 #endif
834
835 #ifdef USE_MADWIFI
836 /* Madwifi */
837 LUA_WRAP_INT(madwifi,channel)
838 LUA_WRAP_INT(madwifi,frequency)
839 LUA_WRAP_INT(madwifi,txpower)
840 LUA_WRAP_INT(madwifi,bitrate)
841 LUA_WRAP_INT(madwifi,signal)
842 LUA_WRAP_INT(madwifi,noise)
843 LUA_WRAP_INT(madwifi,quality)
844 LUA_WRAP_INT(madwifi,quality_max)
845 LUA_WRAP_STRING(madwifi,mode)
846 LUA_WRAP_STRING(madwifi,ssid)
847 LUA_WRAP_STRING(madwifi,bssid)
848 LUA_WRAP_STRING(madwifi,country)
849 LUA_WRAP_LIST(madwifi,assoclist)
850 LUA_WRAP_LIST(madwifi,txpwrlist)
851 LUA_WRAP_LIST(madwifi,scanlist)
852 LUA_WRAP_LIST(madwifi,freqlist)
853 LUA_WRAP_LIST(madwifi,countrylist)
854 LUA_WRAP_LIST(madwifi,hwmodelist)
855 LUA_WRAP_LIST(madwifi,encryption)
856 LUA_WRAP_LIST(madwifi,mbssid_support)
857 #endif
858
859 #ifdef USE_NL80211
860 /* NL80211 */
861 LUA_WRAP_INT(nl80211,channel)
862 LUA_WRAP_INT(nl80211,frequency)
863 LUA_WRAP_INT(nl80211,txpower)
864 LUA_WRAP_INT(nl80211,bitrate)
865 LUA_WRAP_INT(nl80211,signal)
866 LUA_WRAP_INT(nl80211,noise)
867 LUA_WRAP_INT(nl80211,quality)
868 LUA_WRAP_INT(nl80211,quality_max)
869 LUA_WRAP_STRING(nl80211,mode)
870 LUA_WRAP_STRING(nl80211,ssid)
871 LUA_WRAP_STRING(nl80211,bssid)
872 LUA_WRAP_STRING(nl80211,country)
873 LUA_WRAP_LIST(nl80211,assoclist)
874 LUA_WRAP_LIST(nl80211,txpwrlist)
875 LUA_WRAP_LIST(nl80211,scanlist)
876 LUA_WRAP_LIST(nl80211,freqlist)
877 LUA_WRAP_LIST(nl80211,countrylist)
878 LUA_WRAP_LIST(nl80211,hwmodelist)
879 LUA_WRAP_LIST(nl80211,encryption)
880 LUA_WRAP_LIST(nl80211,mbssid_support)
881 #endif
882
883 /* Wext */
884 LUA_WRAP_INT(wext,channel)
885 LUA_WRAP_INT(wext,frequency)
886 LUA_WRAP_INT(wext,txpower)
887 LUA_WRAP_INT(wext,bitrate)
888 LUA_WRAP_INT(wext,signal)
889 LUA_WRAP_INT(wext,noise)
890 LUA_WRAP_INT(wext,quality)
891 LUA_WRAP_INT(wext,quality_max)
892 LUA_WRAP_STRING(wext,mode)
893 LUA_WRAP_STRING(wext,ssid)
894 LUA_WRAP_STRING(wext,bssid)
895 LUA_WRAP_STRING(wext,country)
896 LUA_WRAP_LIST(wext,assoclist)
897 LUA_WRAP_LIST(wext,txpwrlist)
898 LUA_WRAP_LIST(wext,scanlist)
899 LUA_WRAP_LIST(wext,freqlist)
900 LUA_WRAP_LIST(wext,countrylist)
901 LUA_WRAP_LIST(wext,hwmodelist)
902 LUA_WRAP_LIST(wext,encryption)
903 LUA_WRAP_LIST(wext,mbssid_support)
904
905 #ifdef USE_WL
906 /* Broadcom table */
907 static const luaL_reg R_wl[] = {
908         LUA_REG(wl,channel),
909         LUA_REG(wl,frequency),
910         LUA_REG(wl,txpower),
911         LUA_REG(wl,bitrate),
912         LUA_REG(wl,signal),
913         LUA_REG(wl,noise),
914         LUA_REG(wl,quality),
915         LUA_REG(wl,quality_max),
916         LUA_REG(wl,mode),
917         LUA_REG(wl,ssid),
918         LUA_REG(wl,bssid),
919         LUA_REG(wl,country),
920         LUA_REG(wl,assoclist),
921         LUA_REG(wl,txpwrlist),
922         LUA_REG(wl,scanlist),
923         LUA_REG(wl,freqlist),
924         LUA_REG(wl,countrylist),
925         LUA_REG(wl,hwmodelist),
926         LUA_REG(wl,encryption),
927         LUA_REG(wl,mbssid_support),
928         { NULL, NULL }
929 };
930 #endif
931
932 #ifdef USE_MADWIFI
933 /* Madwifi table */
934 static const luaL_reg R_madwifi[] = {
935         LUA_REG(madwifi,channel),
936         LUA_REG(madwifi,frequency),
937         LUA_REG(madwifi,txpower),
938         LUA_REG(madwifi,bitrate),
939         LUA_REG(madwifi,signal),
940         LUA_REG(madwifi,noise),
941         LUA_REG(madwifi,quality),
942         LUA_REG(madwifi,quality_max),
943         LUA_REG(madwifi,mode),
944         LUA_REG(madwifi,ssid),
945         LUA_REG(madwifi,bssid),
946         LUA_REG(madwifi,country),
947         LUA_REG(madwifi,assoclist),
948         LUA_REG(madwifi,txpwrlist),
949         LUA_REG(madwifi,scanlist),
950         LUA_REG(madwifi,freqlist),
951         LUA_REG(madwifi,countrylist),
952         LUA_REG(madwifi,hwmodelist),
953         LUA_REG(madwifi,encryption),
954         LUA_REG(madwifi,mbssid_support),
955         { NULL, NULL }
956 };
957 #endif
958
959 #ifdef USE_NL80211
960 /* NL80211 table */
961 static const luaL_reg R_nl80211[] = {
962         LUA_REG(nl80211,channel),
963         LUA_REG(nl80211,frequency),
964         LUA_REG(nl80211,txpower),
965         LUA_REG(nl80211,bitrate),
966         LUA_REG(nl80211,signal),
967         LUA_REG(nl80211,noise),
968         LUA_REG(nl80211,quality),
969         LUA_REG(nl80211,quality_max),
970         LUA_REG(nl80211,mode),
971         LUA_REG(nl80211,ssid),
972         LUA_REG(nl80211,bssid),
973         LUA_REG(nl80211,country),
974         LUA_REG(nl80211,assoclist),
975         LUA_REG(nl80211,txpwrlist),
976         LUA_REG(nl80211,scanlist),
977         LUA_REG(nl80211,freqlist),
978         LUA_REG(nl80211,countrylist),
979         LUA_REG(nl80211,hwmodelist),
980         LUA_REG(nl80211,encryption),
981         LUA_REG(nl80211,mbssid_support),
982         { NULL, NULL }
983 };
984 #endif
985
986 /* Wext table */
987 static const luaL_reg R_wext[] = {
988         LUA_REG(wext,channel),
989         LUA_REG(wext,frequency),
990         LUA_REG(wext,txpower),
991         LUA_REG(wext,bitrate),
992         LUA_REG(wext,signal),
993         LUA_REG(wext,noise),
994         LUA_REG(wext,quality),
995         LUA_REG(wext,quality_max),
996         LUA_REG(wext,mode),
997         LUA_REG(wext,ssid),
998         LUA_REG(wext,bssid),
999         LUA_REG(wext,country),
1000         LUA_REG(wext,assoclist),
1001         LUA_REG(wext,txpwrlist),
1002         LUA_REG(wext,scanlist),
1003         LUA_REG(wext,freqlist),
1004         LUA_REG(wext,countrylist),
1005         LUA_REG(wext,hwmodelist),
1006         LUA_REG(wext,encryption),
1007         LUA_REG(wext,mbssid_support),
1008         { NULL, NULL }
1009 };
1010
1011 /* Common */
1012 static const luaL_reg R_common[] = {
1013         { "type", iwinfo_L_type },
1014         { "__gc", iwinfo_L__gc  },
1015         { NULL, NULL }
1016 };
1017
1018
1019 LUALIB_API int luaopen_iwinfo(lua_State *L) {
1020         luaL_register(L, IWINFO_META, R_common);
1021
1022 #ifdef USE_WL
1023         luaL_newmetatable(L, IWINFO_WL_META);
1024         luaL_register(L, NULL, R_wl);
1025         lua_pushvalue(L, -1);
1026         lua_setfield(L, -2, "__index");
1027         lua_setfield(L, -2, "wl");
1028 #endif
1029
1030 #ifdef USE_MADWIFI
1031         luaL_newmetatable(L, IWINFO_MADWIFI_META);
1032         luaL_register(L, NULL, R_madwifi);
1033         lua_pushvalue(L, -1);
1034         lua_setfield(L, -2, "__index");
1035         lua_setfield(L, -2, "madwifi");
1036 #endif
1037
1038 #ifdef USE_NL80211
1039         luaL_newmetatable(L, IWINFO_NL80211_META);
1040         luaL_register(L, NULL, R_nl80211);
1041         lua_pushvalue(L, -1);
1042         lua_setfield(L, -2, "__index");
1043         lua_setfield(L, -2, "nl80211");
1044 #endif
1045
1046         luaL_newmetatable(L, IWINFO_WEXT_META);
1047         luaL_register(L, NULL, R_wext);
1048         lua_pushvalue(L, -1);
1049         lua_setfield(L, -2, "__index");
1050         lua_setfield(L, -2, "wext");
1051
1052         return 1;
1053 }