source: mainline/uspace/app/wifi_supplicant/wifi_supplicant.c@ 02c6dcc

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 02c6dcc was 1433ecda, checked in by Jiri Svoboda <jiri@…>, 8 years ago

Fix cstyle: make ccheck-fix and commit only files where all the changes are good.
  • Property mode set to 100644
File size: 7.9 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 <stdlib.h>
43#include <str.h>
44#include <str_error.h>
45#include <loc.h>
46
47#define NAME "wifi_supplicant"
48
49#define enum_name(name_arr, i) \
50 ((i < 0) ? "NA" : name_arr[i])
51
52static const char *ieee80211_security_type_strs[] = {
53 "OPEN", "WEP", "WPA", "WPA2"
54};
55
56static const char *ieee80211_security_alg_strs[] = {
57 "WEP40", "WEP104", "CCMP", "TKIP"
58};
59
60static const char *ieee80211_security_auth_strs[] = {
61 "PSK", "8021X"
62};
63
64static void print_syntax(void)
65{
66 printf("syntax:\n");
67 printf("\t" NAME " [<cmd> [<args...>]]\n");
68 printf("\t<cmd> is:\n");
69 printf("\tlist - list wifi devices in <index>: <name> format\n");
70 printf("\tscan <index> [-n] - output scan results (force scan "
71 "immediately)\n");
72 printf("\tconnect <index> <ssid_prefix> [<password>] - connect to "
73 "network\n");
74 printf("\tdisconnect <index> - disconnect from network\n");
75}
76
77static char *nic_addr_format(nic_address_t *addr)
78{
79 char *str;
80 int rc = asprintf(&str, "%02x:%02x:%02x:%02x:%02x:%02x",
81 addr->address[0], addr->address[1], addr->address[2],
82 addr->address[3], addr->address[4], addr->address[5]);
83
84 if (rc < 0)
85 return NULL;
86
87 return str;
88}
89
90static errno_t get_wifi_list(service_id_t **wifis, size_t *count)
91{
92 category_id_t wifi_cat;
93 errno_t rc = loc_category_get_id("ieee80211", &wifi_cat, 0);
94 if (rc != EOK) {
95 printf("Error resolving category 'ieee80211'.\n");
96 return rc;
97 }
98
99 rc = loc_category_get_svcs(wifi_cat, wifis, count);
100 if (rc != EOK) {
101 printf("Error getting list of WIFIs.\n");
102 return rc;
103 }
104
105 return EOK;
106}
107
108static async_sess_t *get_wifi_by_index(size_t i)
109{
110 service_id_t *wifis = NULL;
111 size_t count;
112
113 errno_t 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(wifis[i], INTERFACE_DDF, 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 errno_t wifi_list(void)
137{
138 service_id_t *wifis = NULL;
139 size_t count;
140
141 errno_t rc = get_wifi_list(&wifis, &count);
142 if (rc != EOK) {
143 printf("Error fetching wifi list: %s\n", str_error(rc));
144 return EINVAL;
145 }
146
147 printf("[Index]: [Service Name]\n");
148 for (size_t i = 0; i < count; i++) {
149 char *svc_name;
150 rc = loc_service_get_name(wifis[i], &svc_name);
151 if (rc != EOK) {
152 printf("Error getting service name: %s\n", str_error(rc));
153 free(wifis);
154 return rc;
155 }
156
157 printf("%zu: %s\n", i, svc_name);
158
159 free(svc_name);
160 }
161
162 return EOK;
163}
164
165static errno_t wifi_connect(uint32_t index, char *ssid_start, char *password)
166{
167 assert(ssid_start);
168
169 async_sess_t *sess = get_wifi_by_index(index);
170 if (sess == NULL) {
171 printf("Specified WIFI doesn't exist or cannot connect to "
172 "it.\n");
173 return EINVAL;
174 }
175
176 errno_t rc = ieee80211_disconnect(sess);
177 if (rc != EOK) {
178 if (rc == EREFUSED)
179 printf("Device is not ready yet.\n");
180 else
181 printf("Error when disconnecting device: %s\n",
182 str_error(rc));
183
184 return rc;
185 }
186
187 rc = ieee80211_connect(sess, ssid_start, password);
188 if (rc != EOK) {
189 if (rc == EREFUSED)
190 printf("Device is not ready yet.\n");
191 else if (rc == ETIMEOUT)
192 printf("Timeout when authenticating to network.\n");
193 else if (rc == ENOENT)
194 printf("Given SSID not in scan results.\n");
195 else
196 printf("Error when connecting to network: %s\n",
197 str_error(rc));
198
199 return rc;
200 }
201
202 // TODO: Wait for DHCP address?
203
204 printf("Successfully connected to network!\n");
205
206 return EOK;
207}
208
209static errno_t wifi_disconnect(uint32_t index)
210{
211 async_sess_t *sess = get_wifi_by_index(index);
212 if (sess == NULL) {
213 printf("Specified WIFI doesn't exist or cannot connect to "
214 "it.\n");
215 return EINVAL;
216 }
217
218 errno_t rc = ieee80211_disconnect(sess);
219 if (rc != EOK) {
220 if (rc == EREFUSED)
221 printf("Device is not ready yet.\n");
222 else if (rc == EINVAL)
223 printf("Not connected to any WiFi network.\n");
224 else
225 printf("Error when disconnecting from network: %s\n",
226 str_error(rc));
227
228 return rc;
229 }
230
231 printf("Successfully disconnected.\n");
232
233 return EOK;
234}
235
236static errno_t wifi_scan(uint32_t index, bool now)
237{
238 async_sess_t *sess = get_wifi_by_index(index);
239 if (sess == NULL) {
240 printf("Specified WIFI doesn't exist or cannot connect to "
241 "it.\n");
242 return EINVAL;
243 }
244
245 ieee80211_scan_results_t scan_results;
246 errno_t rc = ieee80211_get_scan_results(sess, &scan_results, now);
247 if (rc != EOK) {
248 if (rc == EREFUSED)
249 printf("Device is not ready yet.\n");
250 else
251 printf("Failed to fetch scan results: %s\n",
252 str_error(rc));
253
254 return rc;
255 }
256
257 if (scan_results.length == 0)
258 return EOK;
259
260 printf("%16.16s %17s %4s %5s %5s %7s %7s\n",
261 "SSID", "MAC", "CHAN", "TYPE", "AUTH", "UNI-ALG", "GRP-ALG");
262
263 for (uint8_t i = 0; i < scan_results.length; i++) {
264 ieee80211_scan_result_t result = scan_results.results[i];
265
266 printf("%16.16s %17s %4d %5s %5s %7s %7s\n",
267 result.ssid, nic_addr_format(&result.bssid),
268 result.channel,
269 enum_name(ieee80211_security_type_strs, result.security.type),
270 enum_name(ieee80211_security_auth_strs, result.security.auth),
271 enum_name(ieee80211_security_alg_strs, result.security.pair_alg),
272 enum_name(ieee80211_security_alg_strs, result.security.group_alg));
273 }
274
275 return EOK;
276}
277
278int main(int argc, char *argv[])
279{
280 errno_t rc = inetcfg_init();
281 if (rc != EOK) {
282 printf("%s: Failed connecting to inetcfg service: %s.\n",
283 NAME, str_error(rc));
284 return 1;
285 }
286
287 rc = dhcp_init();
288 if (rc != EOK) {
289 printf("%s: Failed connecting to dhcp service: %s.\n",
290 NAME, str_error(rc));
291 return 1;
292 }
293
294 if (argc == 2) {
295 if (!str_cmp(argv[1], "list"))
296 return wifi_list();
297 } else if (argc > 2) {
298 uint32_t index;
299 rc = str_uint32_t(argv[2], NULL, 10, false, &index);
300 if (rc != EOK) {
301 printf("%s: Invalid argument.\n", NAME);
302 print_syntax();
303 return EINVAL;
304 }
305
306 if (!str_cmp(argv[1], "scan")) {
307 bool now = false;
308 if (argc > 3)
309 if (!str_cmp(argv[3], "-n"))
310 now = true;
311
312 return wifi_scan(index, now);
313 } else if (!str_cmp(argv[1], "connect")) {
314 char *pass = NULL;
315 if (argc > 3) {
316 if (argc > 4)
317 pass = argv[4];
318
319 return wifi_connect(index, argv[3], pass);
320 }
321 } else if (!str_cmp(argv[1], "disconnect"))
322 return wifi_disconnect(index);
323 }
324
325 print_syntax();
326
327 return EOK;
328}
329
330/** @}
331 */
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