source: mainline/uspace/app/wifi_supplicant/wifi_supplicant.c@ a931b7b

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since a931b7b was a931b7b, checked in by Jan Kolarik <kolarik@…>, 11 years ago

Added TKIP support, handling old WPA in 4way handshake, some fixes in wifi_supplicant app
  • Property mode set to 100644
File size: 7.8 KB
Line 
1/*
2 * Copyright (c) 2015 Jan Kolarik
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup nic
30 * @{
31 */
32/** @file WiFi device configuration utility.
33 *
34 */
35
36#include <ieee80211_iface.h>
37
38#include <inet/inetcfg.h>
39#include <inet/dhcp.h>
40#include <errno.h>
41#include <stdio.h>
42#include <loc.h>
43
44#define NAME "wifi_supplicant"
45
46#define enum_name(name_arr, i) ((i < 0) ? "NA" : name_arr[i])
47
48static const char* ieee80211_security_type_strs[] = {
49 "OPEN", "WEP", "WPA", "WPA2"
50};
51
52static const char* ieee80211_security_alg_strs[] = {
53 "WEP40", "WEP104", "CCMP", "TKIP"
54};
55
56static const char* ieee80211_security_auth_strs[] = {
57 "PSK", "8021X"
58};
59
60static void print_syntax(void)
61{
62 printf("syntax:\n");
63 printf("\t" NAME " [<cmd> [<args...>]]\n");
64 printf("\t<cmd> is:\n");
65 printf("\tlist - list wifi devices in <index>: <name> format\n");
66 printf("\tscan <index> [-n] - output scan results (force scan "
67 "immediately)\n");
68 printf("\tconnect <index> <ssid_prefix> [<password>] - connect to "
69 "network\n");
70 printf("\tdisconnect <index> - disconnect from network\n");
71}
72
73static char *nic_addr_format(nic_address_t *a)
74{
75 int rc;
76 char *s;
77
78 rc = asprintf(&s, "%02x:%02x:%02x:%02x:%02x:%02x",
79 a->address[0], a->address[1], a->address[2],
80 a->address[3], a->address[4], a->address[5]);
81
82 if (rc < 0)
83 return NULL;
84
85 return s;
86}
87
88static int get_wifi_list(service_id_t **wifis, size_t *count)
89{
90 category_id_t wifi_cat;
91
92 int rc = loc_category_get_id("ieee80211", &wifi_cat, 0);
93 if (rc != EOK) {
94 printf("Error resolving category 'ieee80211'.\n");
95 return rc;
96 }
97
98 rc = loc_category_get_svcs(wifi_cat, wifis, count);
99 if (rc != EOK) {
100 printf("Error getting list of WIFIs.\n");
101 return rc;
102 }
103
104 return EOK;
105}
106
107static async_sess_t *get_wifi_by_index(size_t i)
108{
109 int rc;
110 size_t count;
111 service_id_t *wifis = NULL;
112
113 rc = get_wifi_list(&wifis, &count);
114 if (rc != EOK) {
115 printf("Error fetching wifi list.\n");
116 return NULL;
117 }
118
119 if(i >= count) {
120 printf("Invalid wifi index.\n");
121 free(wifis);
122 return NULL;
123 }
124
125 async_sess_t *sess =
126 loc_service_connect(EXCHANGE_SERIALIZE, wifis[i], 0);
127 if (sess == NULL) {
128 printf("Error connecting to service.\n");
129 free(wifis);
130 return NULL;
131 }
132
133 return sess;
134}
135
136static int wifi_list(void)
137{
138 service_id_t *wifis = NULL;
139 size_t count;
140 char *svc_name;
141 int rc;
142
143 rc = get_wifi_list(&wifis, &count);
144 if (rc != EOK) {
145 printf("Error fetching wifi list.\n");
146 return EINVAL;
147 }
148
149 printf("[Index]: [Service Name]\n");
150 for (size_t i = 0; i < count; i++) {
151 rc = loc_service_get_name(wifis[i], &svc_name);
152 if (rc != EOK) {
153 printf("Error getting service name.\n");
154 free(wifis);
155 return rc;
156 }
157
158 printf("%zu: %s\n", i, svc_name);
159
160 free(svc_name);
161 }
162
163 return EOK;
164}
165
166static int wifi_connect(uint32_t index, char *ssid_start, char *password)
167{
168 assert(ssid_start);
169
170 async_sess_t *sess = get_wifi_by_index(index);
171 if (sess == NULL) {
172 printf("Specified WIFI doesn't exist or cannot connect to "
173 "it.\n");
174 return EINVAL;
175 }
176
177 int rc = ieee80211_disconnect(sess);
178 if(rc != EOK) {
179 if(rc == EREFUSED) {
180 printf("Device is not ready yet.\n");
181 } else {
182 printf("Error when disconnecting device. "
183 "Error: %d\n", rc);
184 }
185
186 return rc;
187 }
188
189 rc = ieee80211_connect(sess, ssid_start, password);
190 if(rc != EOK) {
191 if(rc == EREFUSED) {
192 printf("Device is not ready yet.\n");
193 } else if(rc == ETIMEOUT) {
194 printf("Timeout when authenticating to network.\n");
195 } else if(rc == ENOENT) {
196 printf("Given SSID not in scan results.\n");
197 } else {
198 printf("Error when connecting to network. "
199 "Error: %d\n", rc);
200 }
201
202 return rc;
203 }
204
205 // TODO: Wait for DHCP address ?
206
207 printf("Successfully connected to network!\n");
208
209 return EOK;
210}
211
212static int wifi_disconnect(uint32_t index)
213{
214 async_sess_t *sess = get_wifi_by_index(index);
215 if (sess == NULL) {
216 printf("Specified WIFI doesn't exist or cannot connect to "
217 "it.\n");
218 return EINVAL;
219 }
220
221 int rc = ieee80211_disconnect(sess);
222 if(rc != EOK) {
223 if(rc == EREFUSED) {
224 printf("Device is not ready yet.\n");
225 } else if(rc == EINVAL) {
226 printf("Not connected to any WiFi network.\n");
227 } else {
228 printf("Error when disconnecting from network. "
229 "Error: %d\n", rc);
230 }
231 return rc;
232 }
233
234 printf("Successfully disconnected.\n");
235
236 return EOK;
237}
238
239static int wifi_scan(uint32_t index, bool now)
240{
241 ieee80211_scan_results_t scan_results;
242
243 async_sess_t *sess = get_wifi_by_index(index);
244 if (sess == NULL) {
245 printf("Specified WIFI doesn't exist or cannot connect to "
246 "it.\n");
247 return EINVAL;
248 }
249
250 int rc = ieee80211_get_scan_results(sess, &scan_results, now);
251 if(rc != EOK) {
252 if(rc == EREFUSED) {
253 printf("Device is not ready yet.\n");
254 } else {
255 printf("Failed to fetch scan results. Error: %d\n", rc);
256 }
257
258 return rc;
259 }
260
261 if(scan_results.length == 0)
262 return EOK;
263
264 printf("%16.16s %17s %4s %5s %5s %7s %7s\n",
265 "SSID", "MAC", "CHAN", "TYPE", "AUTH", "UNI-ALG", "GRP-ALG");
266
267 for(int i = 0; i < scan_results.length; i++) {
268 ieee80211_scan_result_t result = scan_results.results[i];
269
270 printf("%16.16s %17s %4d %5s %5s %7s %7s\n",
271 result.ssid,
272 nic_addr_format(&result.bssid),
273 result.channel,
274 enum_name(ieee80211_security_type_strs,
275 result.security.type),
276 enum_name(ieee80211_security_auth_strs,
277 result.security.auth),
278 enum_name(ieee80211_security_alg_strs,
279 result.security.pair_alg),
280 enum_name(ieee80211_security_alg_strs,
281 result.security.group_alg)
282 );
283 }
284
285 return EOK;
286}
287
288int main(int argc, char *argv[])
289{
290 int rc;
291 uint32_t index;
292
293 rc = inetcfg_init();
294 if (rc != EOK) {
295 printf(NAME ": Failed connecting to inetcfg service (%d).\n",
296 rc);
297 return 1;
298 }
299
300 rc = dhcp_init();
301 if (rc != EOK) {
302 printf(NAME ": Failed connecting to dhcp service (%d).\n", rc);
303 return 1;
304 }
305
306 if(argc == 2) {
307 if(!str_cmp(argv[1], "list")) {
308 return wifi_list();
309 }
310 } else if(argc > 2) {
311 rc = str_uint32_t(argv[2], NULL, 10, false, &index);
312 if(rc != EOK) {
313 printf(NAME ": Invalid argument.\n");
314 print_syntax();
315 return EINVAL;
316 }
317 if(!str_cmp(argv[1], "scan")) {
318 bool now = false;
319 if(argc > 3)
320 if(!str_cmp(argv[3], "-n"))
321 now = true;
322 return wifi_scan(index, now);
323 } else if(!str_cmp(argv[1], "connect")) {
324 char *pass = NULL;
325 if(argc > 3) {
326 if(argc > 4)
327 pass = argv[4];
328 return wifi_connect(index, argv[3], pass);
329 }
330 } else if(!str_cmp(argv[1], "disconnect")) {
331 return wifi_disconnect(index);
332 }
333 }
334
335 print_syntax();
336
337 return EOK;
338}
339
340/** @}
341 */
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