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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant - command line interface for wpa_supplicant daemon | |
6f78f2fb | 3 | * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi> |
6fc6879b JM |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2 as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * Alternatively, this software may be distributed under the terms of BSD | |
10 | * license. | |
11 | * | |
12 | * See README and COPYING for more details. | |
13 | */ | |
14 | ||
15 | #include "includes.h" | |
16 | ||
17 | #ifdef CONFIG_CTRL_IFACE | |
18 | ||
19 | #ifdef CONFIG_CTRL_IFACE_UNIX | |
20 | #include <dirent.h> | |
21 | #endif /* CONFIG_CTRL_IFACE_UNIX */ | |
22 | #ifdef CONFIG_READLINE | |
23 | #include <readline/readline.h> | |
24 | #include <readline/history.h> | |
25 | #endif /* CONFIG_READLINE */ | |
26 | ||
27 | #include "wpa_ctrl.h" | |
28 | #include "common.h" | |
29 | #include "version.h" | |
30 | ||
31 | ||
32 | static const char *wpa_cli_version = | |
33 | "wpa_cli v" VERSION_STR "\n" | |
6f78f2fb | 34 | "Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi> and contributors"; |
6fc6879b JM |
35 | |
36 | ||
37 | static const char *wpa_cli_license = | |
38 | "This program is free software. You can distribute it and/or modify it\n" | |
39 | "under the terms of the GNU General Public License version 2.\n" | |
40 | "\n" | |
41 | "Alternatively, this software may be distributed under the terms of the\n" | |
42 | "BSD license. See README and COPYING for more details.\n"; | |
43 | ||
44 | static const char *wpa_cli_full_license = | |
45 | "This program is free software; you can redistribute it and/or modify\n" | |
46 | "it under the terms of the GNU General Public License version 2 as\n" | |
47 | "published by the Free Software Foundation.\n" | |
48 | "\n" | |
49 | "This program is distributed in the hope that it will be useful,\n" | |
50 | "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" | |
51 | "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" | |
52 | "GNU General Public License for more details.\n" | |
53 | "\n" | |
54 | "You should have received a copy of the GNU General Public License\n" | |
55 | "along with this program; if not, write to the Free Software\n" | |
56 | "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n" | |
57 | "\n" | |
58 | "Alternatively, this software may be distributed under the terms of the\n" | |
59 | "BSD license.\n" | |
60 | "\n" | |
61 | "Redistribution and use in source and binary forms, with or without\n" | |
62 | "modification, are permitted provided that the following conditions are\n" | |
63 | "met:\n" | |
64 | "\n" | |
65 | "1. Redistributions of source code must retain the above copyright\n" | |
66 | " notice, this list of conditions and the following disclaimer.\n" | |
67 | "\n" | |
68 | "2. Redistributions in binary form must reproduce the above copyright\n" | |
69 | " notice, this list of conditions and the following disclaimer in the\n" | |
70 | " documentation and/or other materials provided with the distribution.\n" | |
71 | "\n" | |
72 | "3. Neither the name(s) of the above-listed copyright holder(s) nor the\n" | |
73 | " names of its contributors may be used to endorse or promote products\n" | |
74 | " derived from this software without specific prior written permission.\n" | |
75 | "\n" | |
76 | "THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n" | |
77 | "\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n" | |
78 | "LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n" | |
79 | "A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n" | |
80 | "OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n" | |
81 | "SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n" | |
82 | "LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n" | |
83 | "DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n" | |
84 | "THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n" | |
85 | "(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n" | |
86 | "OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n" | |
87 | "\n"; | |
88 | ||
6fc6879b JM |
89 | static struct wpa_ctrl *ctrl_conn; |
90 | static int wpa_cli_quit = 0; | |
91 | static int wpa_cli_attached = 0; | |
92 | static int wpa_cli_connected = 0; | |
93 | static int wpa_cli_last_id = 0; | |
94 | static const char *ctrl_iface_dir = "/var/run/wpa_supplicant"; | |
95 | static char *ctrl_ifname = NULL; | |
96 | static const char *pid_file = NULL; | |
97 | static const char *action_file = NULL; | |
1cc84c1c | 98 | static int ping_interval = 5; |
6fc6879b JM |
99 | |
100 | ||
dfa141b1 ER |
101 | static void print_help(); |
102 | ||
103 | ||
6fc6879b JM |
104 | static void usage(void) |
105 | { | |
106 | printf("wpa_cli [-p<path to ctrl sockets>] [-i<ifname>] [-hvB] " | |
107 | "[-a<action file>] \\\n" | |
1cc84c1c JM |
108 | " [-P<pid file>] [-g<global ctrl>] [-G<ping interval>] " |
109 | "[command..]\n" | |
6fc6879b JM |
110 | " -h = help (show this usage text)\n" |
111 | " -v = shown version information\n" | |
112 | " -a = run in daemon mode executing the action file based on " | |
113 | "events from\n" | |
114 | " wpa_supplicant\n" | |
115 | " -B = run a daemon in the background\n" | |
116 | " default path: /var/run/wpa_supplicant\n" | |
dfa141b1 ER |
117 | " default interface: first interface found in socket path\n"); |
118 | print_help(); | |
6fc6879b JM |
119 | } |
120 | ||
121 | ||
122 | static struct wpa_ctrl * wpa_cli_open_connection(const char *ifname) | |
123 | { | |
124 | #if defined(CONFIG_CTRL_IFACE_UDP) || defined(CONFIG_CTRL_IFACE_NAMED_PIPE) | |
125 | ctrl_conn = wpa_ctrl_open(ifname); | |
126 | return ctrl_conn; | |
127 | #else /* CONFIG_CTRL_IFACE_UDP || CONFIG_CTRL_IFACE_NAMED_PIPE */ | |
128 | char *cfile; | |
129 | int flen, res; | |
130 | ||
131 | if (ifname == NULL) | |
132 | return NULL; | |
133 | ||
134 | flen = os_strlen(ctrl_iface_dir) + os_strlen(ifname) + 2; | |
135 | cfile = os_malloc(flen); | |
136 | if (cfile == NULL) | |
137 | return NULL; | |
138 | res = os_snprintf(cfile, flen, "%s/%s", ctrl_iface_dir, ifname); | |
139 | if (res < 0 || res >= flen) { | |
140 | os_free(cfile); | |
141 | return NULL; | |
142 | } | |
143 | ||
144 | ctrl_conn = wpa_ctrl_open(cfile); | |
145 | os_free(cfile); | |
146 | return ctrl_conn; | |
147 | #endif /* CONFIG_CTRL_IFACE_UDP || CONFIG_CTRL_IFACE_NAMED_PIPE */ | |
148 | } | |
149 | ||
150 | ||
151 | static void wpa_cli_close_connection(void) | |
152 | { | |
153 | if (ctrl_conn == NULL) | |
154 | return; | |
155 | ||
156 | if (wpa_cli_attached) { | |
157 | wpa_ctrl_detach(ctrl_conn); | |
158 | wpa_cli_attached = 0; | |
159 | } | |
160 | wpa_ctrl_close(ctrl_conn); | |
161 | ctrl_conn = NULL; | |
162 | } | |
163 | ||
164 | ||
165 | static void wpa_cli_msg_cb(char *msg, size_t len) | |
166 | { | |
167 | printf("%s\n", msg); | |
168 | } | |
169 | ||
170 | ||
171 | static int _wpa_ctrl_command(struct wpa_ctrl *ctrl, char *cmd, int print) | |
172 | { | |
173 | char buf[2048]; | |
174 | size_t len; | |
175 | int ret; | |
176 | ||
177 | if (ctrl_conn == NULL) { | |
178 | printf("Not connected to wpa_supplicant - command dropped.\n"); | |
179 | return -1; | |
180 | } | |
181 | len = sizeof(buf) - 1; | |
182 | ret = wpa_ctrl_request(ctrl, cmd, os_strlen(cmd), buf, &len, | |
183 | wpa_cli_msg_cb); | |
184 | if (ret == -2) { | |
185 | printf("'%s' command timed out.\n", cmd); | |
186 | return -2; | |
187 | } else if (ret < 0) { | |
188 | printf("'%s' command failed.\n", cmd); | |
189 | return -1; | |
190 | } | |
191 | if (print) { | |
192 | buf[len] = '\0'; | |
193 | printf("%s", buf); | |
194 | } | |
195 | return 0; | |
196 | } | |
197 | ||
198 | ||
199 | static int wpa_ctrl_command(struct wpa_ctrl *ctrl, char *cmd) | |
200 | { | |
201 | return _wpa_ctrl_command(ctrl, cmd, 1); | |
202 | } | |
203 | ||
204 | ||
205 | static int wpa_cli_cmd_status(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
206 | { | |
207 | int verbose = argc > 0 && os_strcmp(argv[0], "verbose") == 0; | |
208 | return wpa_ctrl_command(ctrl, verbose ? "STATUS-VERBOSE" : "STATUS"); | |
209 | } | |
210 | ||
211 | ||
212 | static int wpa_cli_cmd_ping(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
213 | { | |
214 | return wpa_ctrl_command(ctrl, "PING"); | |
215 | } | |
216 | ||
217 | ||
218 | static int wpa_cli_cmd_mib(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
219 | { | |
220 | return wpa_ctrl_command(ctrl, "MIB"); | |
221 | } | |
222 | ||
223 | ||
224 | static int wpa_cli_cmd_pmksa(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
225 | { | |
226 | return wpa_ctrl_command(ctrl, "PMKSA"); | |
227 | } | |
228 | ||
229 | ||
230 | static int wpa_cli_cmd_help(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
231 | { | |
dfa141b1 | 232 | print_help(); |
6fc6879b JM |
233 | return 0; |
234 | } | |
235 | ||
236 | ||
237 | static int wpa_cli_cmd_license(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
238 | { | |
239 | printf("%s\n\n%s\n", wpa_cli_version, wpa_cli_full_license); | |
240 | return 0; | |
241 | } | |
242 | ||
243 | ||
244 | static int wpa_cli_cmd_quit(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
245 | { | |
246 | wpa_cli_quit = 1; | |
247 | return 0; | |
248 | } | |
249 | ||
250 | ||
251 | static void wpa_cli_show_variables(void) | |
252 | { | |
253 | printf("set variables:\n" | |
254 | " EAPOL::heldPeriod (EAPOL state machine held period, " | |
255 | "in seconds)\n" | |
256 | " EAPOL::authPeriod (EAPOL state machine authentication " | |
257 | "period, in seconds)\n" | |
258 | " EAPOL::startPeriod (EAPOL state machine start period, in " | |
259 | "seconds)\n" | |
260 | " EAPOL::maxStart (EAPOL state machine maximum start " | |
261 | "attempts)\n"); | |
262 | printf(" dot11RSNAConfigPMKLifetime (WPA/WPA2 PMK lifetime in " | |
263 | "seconds)\n" | |
264 | " dot11RSNAConfigPMKReauthThreshold (WPA/WPA2 reauthentication" | |
265 | " threshold\n\tpercentage)\n" | |
266 | " dot11RSNAConfigSATimeout (WPA/WPA2 timeout for completing " | |
267 | "security\n\tassociation in seconds)\n"); | |
268 | } | |
269 | ||
270 | ||
271 | static int wpa_cli_cmd_set(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
272 | { | |
273 | char cmd[256]; | |
274 | int res; | |
275 | ||
276 | if (argc == 0) { | |
277 | wpa_cli_show_variables(); | |
278 | return 0; | |
279 | } | |
280 | ||
281 | if (argc != 2) { | |
282 | printf("Invalid SET command: needs two arguments (variable " | |
283 | "name and value)\n"); | |
284 | return -1; | |
285 | } | |
286 | ||
287 | res = os_snprintf(cmd, sizeof(cmd), "SET %s %s", argv[0], argv[1]); | |
288 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
289 | printf("Too long SET command.\n"); | |
290 | return -1; | |
291 | } | |
292 | return wpa_ctrl_command(ctrl, cmd); | |
293 | } | |
294 | ||
295 | ||
296 | static int wpa_cli_cmd_logoff(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
297 | { | |
298 | return wpa_ctrl_command(ctrl, "LOGOFF"); | |
299 | } | |
300 | ||
301 | ||
302 | static int wpa_cli_cmd_logon(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
303 | { | |
304 | return wpa_ctrl_command(ctrl, "LOGON"); | |
305 | } | |
306 | ||
307 | ||
308 | static int wpa_cli_cmd_reassociate(struct wpa_ctrl *ctrl, int argc, | |
309 | char *argv[]) | |
310 | { | |
311 | return wpa_ctrl_command(ctrl, "REASSOCIATE"); | |
312 | } | |
313 | ||
314 | ||
315 | static int wpa_cli_cmd_preauthenticate(struct wpa_ctrl *ctrl, int argc, | |
316 | char *argv[]) | |
317 | { | |
318 | char cmd[256]; | |
319 | int res; | |
320 | ||
321 | if (argc != 1) { | |
322 | printf("Invalid PREAUTH command: needs one argument " | |
323 | "(BSSID)\n"); | |
324 | return -1; | |
325 | } | |
326 | ||
327 | res = os_snprintf(cmd, sizeof(cmd), "PREAUTH %s", argv[0]); | |
328 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
329 | printf("Too long PREAUTH command.\n"); | |
330 | return -1; | |
331 | } | |
332 | return wpa_ctrl_command(ctrl, cmd); | |
333 | } | |
334 | ||
335 | ||
336 | static int wpa_cli_cmd_ap_scan(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
337 | { | |
338 | char cmd[256]; | |
339 | int res; | |
340 | ||
341 | if (argc != 1) { | |
342 | printf("Invalid AP_SCAN command: needs one argument (ap_scan " | |
343 | "value)\n"); | |
344 | return -1; | |
345 | } | |
346 | res = os_snprintf(cmd, sizeof(cmd), "AP_SCAN %s", argv[0]); | |
347 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
348 | printf("Too long AP_SCAN command.\n"); | |
349 | return -1; | |
350 | } | |
351 | return wpa_ctrl_command(ctrl, cmd); | |
352 | } | |
353 | ||
354 | ||
355 | static int wpa_cli_cmd_stkstart(struct wpa_ctrl *ctrl, int argc, | |
356 | char *argv[]) | |
357 | { | |
358 | char cmd[256]; | |
359 | int res; | |
360 | ||
361 | if (argc != 1) { | |
362 | printf("Invalid STKSTART command: needs one argument " | |
363 | "(Peer STA MAC address)\n"); | |
364 | return -1; | |
365 | } | |
366 | ||
367 | res = os_snprintf(cmd, sizeof(cmd), "STKSTART %s", argv[0]); | |
368 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
369 | printf("Too long STKSTART command.\n"); | |
370 | return -1; | |
371 | } | |
372 | return wpa_ctrl_command(ctrl, cmd); | |
373 | } | |
374 | ||
375 | ||
376 | static int wpa_cli_cmd_ft_ds(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
377 | { | |
378 | char cmd[256]; | |
379 | int res; | |
380 | ||
381 | if (argc != 1) { | |
382 | printf("Invalid FT_DS command: needs one argument " | |
383 | "(Target AP MAC address)\n"); | |
384 | return -1; | |
385 | } | |
386 | ||
387 | res = os_snprintf(cmd, sizeof(cmd), "FT_DS %s", argv[0]); | |
388 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
389 | printf("Too long FT_DS command.\n"); | |
390 | return -1; | |
391 | } | |
392 | return wpa_ctrl_command(ctrl, cmd); | |
393 | } | |
394 | ||
395 | ||
fcc60db4 JM |
396 | static int wpa_cli_cmd_wps_pbc(struct wpa_ctrl *ctrl, int argc, char *argv[]) |
397 | { | |
398 | char cmd[256]; | |
399 | int res; | |
400 | ||
401 | if (argc == 0) { | |
402 | /* Any BSSID */ | |
403 | return wpa_ctrl_command(ctrl, "WPS_PBC"); | |
404 | } | |
405 | ||
406 | /* Specific BSSID */ | |
407 | res = os_snprintf(cmd, sizeof(cmd), "WPS_PBC %s", argv[0]); | |
408 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
409 | printf("Too long WPS_PBC command.\n"); | |
410 | return -1; | |
411 | } | |
412 | return wpa_ctrl_command(ctrl, cmd); | |
413 | } | |
414 | ||
415 | ||
416 | static int wpa_cli_cmd_wps_pin(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
417 | { | |
418 | char cmd[256]; | |
419 | int res; | |
420 | ||
421 | if (argc == 0) { | |
422 | printf("Invalid WPS_PIN command: need one or two arguments:\n" | |
423 | "- BSSID: use 'any' to select any\n" | |
424 | "- PIN: optional, used only with devices that have no " | |
425 | "display\n"); | |
426 | return -1; | |
427 | } | |
428 | ||
429 | if (argc == 1) { | |
430 | /* Use dynamically generated PIN (returned as reply) */ | |
431 | res = os_snprintf(cmd, sizeof(cmd), "WPS_PIN %s", argv[0]); | |
432 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
433 | printf("Too long WPS_PIN command.\n"); | |
434 | return -1; | |
435 | } | |
436 | return wpa_ctrl_command(ctrl, cmd); | |
437 | } | |
438 | ||
439 | /* Use hardcoded PIN from a label */ | |
440 | res = os_snprintf(cmd, sizeof(cmd), "WPS_PIN %s %s", argv[0], argv[1]); | |
441 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
442 | printf("Too long WPS_PIN command.\n"); | |
443 | return -1; | |
444 | } | |
445 | return wpa_ctrl_command(ctrl, cmd); | |
446 | } | |
447 | ||
448 | ||
116f7bb0 | 449 | #ifdef CONFIG_WPS_OOB |
46bdb83a MH |
450 | static int wpa_cli_cmd_wps_oob(struct wpa_ctrl *ctrl, int argc, char *argv[]) |
451 | { | |
452 | char cmd[256]; | |
453 | int res; | |
454 | ||
e1ee6b60 MH |
455 | if (argc != 3 && argc != 4) { |
456 | printf("Invalid WPS_OOB command: need three or four " | |
457 | "arguments:\n" | |
458 | "- DEV_TYPE: use 'ufd' or 'nfc'\n" | |
459 | "- PATH: path of OOB device like '/mnt'\n" | |
460 | "- METHOD: OOB method 'pin-e' or 'pin-r', " | |
461 | "'cred'\n" | |
462 | "- DEV_NAME: (only for NFC) device name like " | |
463 | "'pn531'\n"); | |
46bdb83a MH |
464 | return -1; |
465 | } | |
466 | ||
e1ee6b60 MH |
467 | if (argc == 3) |
468 | res = os_snprintf(cmd, sizeof(cmd), "WPS_OOB %s %s %s", | |
469 | argv[0], argv[1], argv[2]); | |
470 | else | |
471 | res = os_snprintf(cmd, sizeof(cmd), "WPS_OOB %s %s %s %s", | |
472 | argv[0], argv[1], argv[2], argv[3]); | |
46bdb83a MH |
473 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { |
474 | printf("Too long WPS_OOB command.\n"); | |
475 | return -1; | |
476 | } | |
477 | return wpa_ctrl_command(ctrl, cmd); | |
478 | } | |
116f7bb0 | 479 | #endif /* CONFIG_WPS_OOB */ |
46bdb83a MH |
480 | |
481 | ||
fcc60db4 JM |
482 | static int wpa_cli_cmd_wps_reg(struct wpa_ctrl *ctrl, int argc, char *argv[]) |
483 | { | |
484 | char cmd[256]; | |
485 | int res; | |
486 | ||
52eb293d JM |
487 | if (argc == 2) |
488 | res = os_snprintf(cmd, sizeof(cmd), "WPS_REG %s %s", | |
489 | argv[0], argv[1]); | |
490 | else if (argc == 6) { | |
491 | char ssid_hex[2 * 32 + 1]; | |
492 | char key_hex[2 * 64 + 1]; | |
493 | int i; | |
494 | ||
495 | ssid_hex[0] = '\0'; | |
496 | for (i = 0; i < 32; i++) { | |
497 | if (argv[2][i] == '\0') | |
498 | break; | |
499 | os_snprintf(&ssid_hex[i * 2], 3, "%02x", argv[2][i]); | |
500 | } | |
501 | ||
502 | key_hex[0] = '\0'; | |
503 | for (i = 0; i < 64; i++) { | |
504 | if (argv[5][i] == '\0') | |
505 | break; | |
506 | os_snprintf(&key_hex[i * 2], 3, "%02x", argv[5][i]); | |
507 | } | |
508 | ||
509 | res = os_snprintf(cmd, sizeof(cmd), | |
510 | "WPS_REG %s %s %s %s %s %s", | |
511 | argv[0], argv[1], ssid_hex, argv[3], argv[4], | |
512 | key_hex); | |
513 | } else { | |
fcc60db4 JM |
514 | printf("Invalid WPS_REG command: need two arguments:\n" |
515 | "- BSSID: use 'any' to select any\n" | |
516 | "- AP PIN\n"); | |
52eb293d JM |
517 | printf("Alternatively, six arguments can be used to " |
518 | "reconfigure the AP:\n" | |
519 | "- BSSID: use 'any' to select any\n" | |
520 | "- AP PIN\n" | |
521 | "- new SSID\n" | |
522 | "- new auth (OPEN, WPAPSK, WPA2PSK)\n" | |
523 | "- new encr (NONE, WEP, TKIP, CCMP)\n" | |
524 | "- new key\n"); | |
fcc60db4 JM |
525 | return -1; |
526 | } | |
527 | ||
fcc60db4 JM |
528 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { |
529 | printf("Too long WPS_REG command.\n"); | |
530 | return -1; | |
531 | } | |
532 | return wpa_ctrl_command(ctrl, cmd); | |
533 | } | |
534 | ||
535 | ||
11ef8d35 JM |
536 | static int wpa_cli_cmd_ibss_rsn(struct wpa_ctrl *ctrl, int argc, char *argv[]) |
537 | { | |
538 | char cmd[256]; | |
539 | int res; | |
540 | ||
541 | if (argc != 1) { | |
542 | printf("Invalid IBSS_RSN command: needs one argument " | |
543 | "(Peer STA MAC address)\n"); | |
544 | return -1; | |
545 | } | |
546 | ||
547 | res = os_snprintf(cmd, sizeof(cmd), "IBSS_RSN %s", argv[0]); | |
548 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
549 | printf("Too long IBSS_RSN command.\n"); | |
550 | return -1; | |
551 | } | |
552 | return wpa_ctrl_command(ctrl, cmd); | |
553 | } | |
554 | ||
555 | ||
6fc6879b JM |
556 | static int wpa_cli_cmd_level(struct wpa_ctrl *ctrl, int argc, char *argv[]) |
557 | { | |
558 | char cmd[256]; | |
559 | int res; | |
560 | ||
561 | if (argc != 1) { | |
562 | printf("Invalid LEVEL command: needs one argument (debug " | |
563 | "level)\n"); | |
564 | return -1; | |
565 | } | |
566 | res = os_snprintf(cmd, sizeof(cmd), "LEVEL %s", argv[0]); | |
567 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
568 | printf("Too long LEVEL command.\n"); | |
569 | return -1; | |
570 | } | |
571 | return wpa_ctrl_command(ctrl, cmd); | |
572 | } | |
573 | ||
574 | ||
575 | static int wpa_cli_cmd_identity(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
576 | { | |
577 | char cmd[256], *pos, *end; | |
578 | int i, ret; | |
579 | ||
580 | if (argc < 2) { | |
581 | printf("Invalid IDENTITY command: needs two arguments " | |
582 | "(network id and identity)\n"); | |
583 | return -1; | |
584 | } | |
585 | ||
586 | end = cmd + sizeof(cmd); | |
587 | pos = cmd; | |
588 | ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "IDENTITY-%s:%s", | |
589 | argv[0], argv[1]); | |
590 | if (ret < 0 || ret >= end - pos) { | |
591 | printf("Too long IDENTITY command.\n"); | |
592 | return -1; | |
593 | } | |
594 | pos += ret; | |
595 | for (i = 2; i < argc; i++) { | |
596 | ret = os_snprintf(pos, end - pos, " %s", argv[i]); | |
597 | if (ret < 0 || ret >= end - pos) { | |
598 | printf("Too long IDENTITY command.\n"); | |
599 | return -1; | |
600 | } | |
601 | pos += ret; | |
602 | } | |
603 | ||
604 | return wpa_ctrl_command(ctrl, cmd); | |
605 | } | |
606 | ||
607 | ||
608 | static int wpa_cli_cmd_password(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
609 | { | |
610 | char cmd[256], *pos, *end; | |
611 | int i, ret; | |
612 | ||
613 | if (argc < 2) { | |
614 | printf("Invalid PASSWORD command: needs two arguments " | |
615 | "(network id and password)\n"); | |
616 | return -1; | |
617 | } | |
618 | ||
619 | end = cmd + sizeof(cmd); | |
620 | pos = cmd; | |
621 | ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "PASSWORD-%s:%s", | |
622 | argv[0], argv[1]); | |
623 | if (ret < 0 || ret >= end - pos) { | |
624 | printf("Too long PASSWORD command.\n"); | |
625 | return -1; | |
626 | } | |
627 | pos += ret; | |
628 | for (i = 2; i < argc; i++) { | |
629 | ret = os_snprintf(pos, end - pos, " %s", argv[i]); | |
630 | if (ret < 0 || ret >= end - pos) { | |
631 | printf("Too long PASSWORD command.\n"); | |
632 | return -1; | |
633 | } | |
634 | pos += ret; | |
635 | } | |
636 | ||
637 | return wpa_ctrl_command(ctrl, cmd); | |
638 | } | |
639 | ||
640 | ||
641 | static int wpa_cli_cmd_new_password(struct wpa_ctrl *ctrl, int argc, | |
642 | char *argv[]) | |
643 | { | |
644 | char cmd[256], *pos, *end; | |
645 | int i, ret; | |
646 | ||
647 | if (argc < 2) { | |
648 | printf("Invalid NEW_PASSWORD command: needs two arguments " | |
649 | "(network id and password)\n"); | |
650 | return -1; | |
651 | } | |
652 | ||
653 | end = cmd + sizeof(cmd); | |
654 | pos = cmd; | |
655 | ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "NEW_PASSWORD-%s:%s", | |
656 | argv[0], argv[1]); | |
657 | if (ret < 0 || ret >= end - pos) { | |
658 | printf("Too long NEW_PASSWORD command.\n"); | |
659 | return -1; | |
660 | } | |
661 | pos += ret; | |
662 | for (i = 2; i < argc; i++) { | |
663 | ret = os_snprintf(pos, end - pos, " %s", argv[i]); | |
664 | if (ret < 0 || ret >= end - pos) { | |
665 | printf("Too long NEW_PASSWORD command.\n"); | |
666 | return -1; | |
667 | } | |
668 | pos += ret; | |
669 | } | |
670 | ||
671 | return wpa_ctrl_command(ctrl, cmd); | |
672 | } | |
673 | ||
674 | ||
675 | static int wpa_cli_cmd_pin(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
676 | { | |
677 | char cmd[256], *pos, *end; | |
678 | int i, ret; | |
679 | ||
680 | if (argc < 2) { | |
681 | printf("Invalid PIN command: needs two arguments " | |
682 | "(network id and pin)\n"); | |
683 | return -1; | |
684 | } | |
685 | ||
686 | end = cmd + sizeof(cmd); | |
687 | pos = cmd; | |
688 | ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "PIN-%s:%s", | |
689 | argv[0], argv[1]); | |
690 | if (ret < 0 || ret >= end - pos) { | |
691 | printf("Too long PIN command.\n"); | |
692 | return -1; | |
693 | } | |
694 | pos += ret; | |
695 | for (i = 2; i < argc; i++) { | |
696 | ret = os_snprintf(pos, end - pos, " %s", argv[i]); | |
697 | if (ret < 0 || ret >= end - pos) { | |
698 | printf("Too long PIN command.\n"); | |
699 | return -1; | |
700 | } | |
701 | pos += ret; | |
702 | } | |
703 | return wpa_ctrl_command(ctrl, cmd); | |
704 | } | |
705 | ||
706 | ||
707 | static int wpa_cli_cmd_otp(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
708 | { | |
709 | char cmd[256], *pos, *end; | |
710 | int i, ret; | |
711 | ||
712 | if (argc < 2) { | |
713 | printf("Invalid OTP command: needs two arguments (network " | |
714 | "id and password)\n"); | |
715 | return -1; | |
716 | } | |
717 | ||
718 | end = cmd + sizeof(cmd); | |
719 | pos = cmd; | |
720 | ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "OTP-%s:%s", | |
721 | argv[0], argv[1]); | |
722 | if (ret < 0 || ret >= end - pos) { | |
723 | printf("Too long OTP command.\n"); | |
724 | return -1; | |
725 | } | |
726 | pos += ret; | |
727 | for (i = 2; i < argc; i++) { | |
728 | ret = os_snprintf(pos, end - pos, " %s", argv[i]); | |
729 | if (ret < 0 || ret >= end - pos) { | |
730 | printf("Too long OTP command.\n"); | |
731 | return -1; | |
732 | } | |
733 | pos += ret; | |
734 | } | |
735 | ||
736 | return wpa_ctrl_command(ctrl, cmd); | |
737 | } | |
738 | ||
739 | ||
740 | static int wpa_cli_cmd_passphrase(struct wpa_ctrl *ctrl, int argc, | |
741 | char *argv[]) | |
742 | { | |
743 | char cmd[256], *pos, *end; | |
744 | int i, ret; | |
745 | ||
746 | if (argc < 2) { | |
747 | printf("Invalid PASSPHRASE command: needs two arguments " | |
748 | "(network id and passphrase)\n"); | |
749 | return -1; | |
750 | } | |
751 | ||
752 | end = cmd + sizeof(cmd); | |
753 | pos = cmd; | |
754 | ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "PASSPHRASE-%s:%s", | |
755 | argv[0], argv[1]); | |
756 | if (ret < 0 || ret >= end - pos) { | |
757 | printf("Too long PASSPHRASE command.\n"); | |
758 | return -1; | |
759 | } | |
760 | pos += ret; | |
761 | for (i = 2; i < argc; i++) { | |
762 | ret = os_snprintf(pos, end - pos, " %s", argv[i]); | |
763 | if (ret < 0 || ret >= end - pos) { | |
764 | printf("Too long PASSPHRASE command.\n"); | |
765 | return -1; | |
766 | } | |
767 | pos += ret; | |
768 | } | |
769 | ||
770 | return wpa_ctrl_command(ctrl, cmd); | |
771 | } | |
772 | ||
773 | ||
774 | static int wpa_cli_cmd_bssid(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
775 | { | |
776 | char cmd[256], *pos, *end; | |
777 | int i, ret; | |
778 | ||
779 | if (argc < 2) { | |
780 | printf("Invalid BSSID command: needs two arguments (network " | |
781 | "id and BSSID)\n"); | |
782 | return -1; | |
783 | } | |
784 | ||
785 | end = cmd + sizeof(cmd); | |
786 | pos = cmd; | |
787 | ret = os_snprintf(pos, end - pos, "BSSID"); | |
788 | if (ret < 0 || ret >= end - pos) { | |
789 | printf("Too long BSSID command.\n"); | |
790 | return -1; | |
791 | } | |
792 | pos += ret; | |
793 | for (i = 0; i < argc; i++) { | |
794 | ret = os_snprintf(pos, end - pos, " %s", argv[i]); | |
795 | if (ret < 0 || ret >= end - pos) { | |
796 | printf("Too long BSSID command.\n"); | |
797 | return -1; | |
798 | } | |
799 | pos += ret; | |
800 | } | |
801 | ||
802 | return wpa_ctrl_command(ctrl, cmd); | |
803 | } | |
804 | ||
805 | ||
806 | static int wpa_cli_cmd_list_networks(struct wpa_ctrl *ctrl, int argc, | |
807 | char *argv[]) | |
808 | { | |
809 | return wpa_ctrl_command(ctrl, "LIST_NETWORKS"); | |
810 | } | |
811 | ||
812 | ||
813 | static int wpa_cli_cmd_select_network(struct wpa_ctrl *ctrl, int argc, | |
814 | char *argv[]) | |
815 | { | |
816 | char cmd[32]; | |
817 | int res; | |
818 | ||
819 | if (argc < 1) { | |
820 | printf("Invalid SELECT_NETWORK command: needs one argument " | |
821 | "(network id)\n"); | |
822 | return -1; | |
823 | } | |
824 | ||
825 | res = os_snprintf(cmd, sizeof(cmd), "SELECT_NETWORK %s", argv[0]); | |
826 | if (res < 0 || (size_t) res >= sizeof(cmd)) | |
827 | return -1; | |
828 | cmd[sizeof(cmd) - 1] = '\0'; | |
829 | ||
830 | return wpa_ctrl_command(ctrl, cmd); | |
831 | } | |
832 | ||
833 | ||
834 | static int wpa_cli_cmd_enable_network(struct wpa_ctrl *ctrl, int argc, | |
835 | char *argv[]) | |
836 | { | |
837 | char cmd[32]; | |
838 | int res; | |
839 | ||
840 | if (argc < 1) { | |
841 | printf("Invalid ENABLE_NETWORK command: needs one argument " | |
842 | "(network id)\n"); | |
843 | return -1; | |
844 | } | |
845 | ||
846 | res = os_snprintf(cmd, sizeof(cmd), "ENABLE_NETWORK %s", argv[0]); | |
847 | if (res < 0 || (size_t) res >= sizeof(cmd)) | |
848 | return -1; | |
849 | cmd[sizeof(cmd) - 1] = '\0'; | |
850 | ||
851 | return wpa_ctrl_command(ctrl, cmd); | |
852 | } | |
853 | ||
854 | ||
855 | static int wpa_cli_cmd_disable_network(struct wpa_ctrl *ctrl, int argc, | |
856 | char *argv[]) | |
857 | { | |
858 | char cmd[32]; | |
859 | int res; | |
860 | ||
861 | if (argc < 1) { | |
862 | printf("Invalid DISABLE_NETWORK command: needs one argument " | |
863 | "(network id)\n"); | |
864 | return -1; | |
865 | } | |
866 | ||
867 | res = os_snprintf(cmd, sizeof(cmd), "DISABLE_NETWORK %s", argv[0]); | |
868 | if (res < 0 || (size_t) res >= sizeof(cmd)) | |
869 | return -1; | |
870 | cmd[sizeof(cmd) - 1] = '\0'; | |
871 | ||
872 | return wpa_ctrl_command(ctrl, cmd); | |
873 | } | |
874 | ||
875 | ||
876 | static int wpa_cli_cmd_add_network(struct wpa_ctrl *ctrl, int argc, | |
877 | char *argv[]) | |
878 | { | |
879 | return wpa_ctrl_command(ctrl, "ADD_NETWORK"); | |
880 | } | |
881 | ||
882 | ||
883 | static int wpa_cli_cmd_remove_network(struct wpa_ctrl *ctrl, int argc, | |
884 | char *argv[]) | |
885 | { | |
886 | char cmd[32]; | |
887 | int res; | |
888 | ||
889 | if (argc < 1) { | |
890 | printf("Invalid REMOVE_NETWORK command: needs one argument " | |
891 | "(network id)\n"); | |
892 | return -1; | |
893 | } | |
894 | ||
895 | res = os_snprintf(cmd, sizeof(cmd), "REMOVE_NETWORK %s", argv[0]); | |
896 | if (res < 0 || (size_t) res >= sizeof(cmd)) | |
897 | return -1; | |
898 | cmd[sizeof(cmd) - 1] = '\0'; | |
899 | ||
900 | return wpa_ctrl_command(ctrl, cmd); | |
901 | } | |
902 | ||
903 | ||
904 | static void wpa_cli_show_network_variables(void) | |
905 | { | |
906 | printf("set_network variables:\n" | |
907 | " ssid (network name, SSID)\n" | |
908 | " psk (WPA passphrase or pre-shared key)\n" | |
909 | " key_mgmt (key management protocol)\n" | |
910 | " identity (EAP identity)\n" | |
911 | " password (EAP password)\n" | |
912 | " ...\n" | |
913 | "\n" | |
914 | "Note: Values are entered in the same format as the " | |
915 | "configuration file is using,\n" | |
916 | "i.e., strings values need to be inside double quotation " | |
917 | "marks.\n" | |
918 | "For example: set_network 1 ssid \"network name\"\n" | |
919 | "\n" | |
920 | "Please see wpa_supplicant.conf documentation for full list " | |
921 | "of\navailable variables.\n"); | |
922 | } | |
923 | ||
924 | ||
925 | static int wpa_cli_cmd_set_network(struct wpa_ctrl *ctrl, int argc, | |
926 | char *argv[]) | |
927 | { | |
928 | char cmd[256]; | |
929 | int res; | |
930 | ||
931 | if (argc == 0) { | |
932 | wpa_cli_show_network_variables(); | |
933 | return 0; | |
934 | } | |
935 | ||
936 | if (argc != 3) { | |
937 | printf("Invalid SET_NETWORK command: needs three arguments\n" | |
938 | "(network id, variable name, and value)\n"); | |
939 | return -1; | |
940 | } | |
941 | ||
942 | res = os_snprintf(cmd, sizeof(cmd), "SET_NETWORK %s %s %s", | |
943 | argv[0], argv[1], argv[2]); | |
944 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
945 | printf("Too long SET_NETWORK command.\n"); | |
946 | return -1; | |
947 | } | |
948 | return wpa_ctrl_command(ctrl, cmd); | |
949 | } | |
950 | ||
951 | ||
952 | static int wpa_cli_cmd_get_network(struct wpa_ctrl *ctrl, int argc, | |
953 | char *argv[]) | |
954 | { | |
955 | char cmd[256]; | |
956 | int res; | |
957 | ||
958 | if (argc == 0) { | |
959 | wpa_cli_show_network_variables(); | |
960 | return 0; | |
961 | } | |
962 | ||
963 | if (argc != 2) { | |
964 | printf("Invalid GET_NETWORK command: needs two arguments\n" | |
965 | "(network id and variable name)\n"); | |
966 | return -1; | |
967 | } | |
968 | ||
969 | res = os_snprintf(cmd, sizeof(cmd), "GET_NETWORK %s %s", | |
970 | argv[0], argv[1]); | |
971 | if (res < 0 || (size_t) res >= sizeof(cmd) - 1) { | |
972 | printf("Too long GET_NETWORK command.\n"); | |
973 | return -1; | |
974 | } | |
975 | return wpa_ctrl_command(ctrl, cmd); | |
976 | } | |
977 | ||
978 | ||
979 | static int wpa_cli_cmd_disconnect(struct wpa_ctrl *ctrl, int argc, | |
980 | char *argv[]) | |
981 | { | |
982 | return wpa_ctrl_command(ctrl, "DISCONNECT"); | |
983 | } | |
984 | ||
985 | ||
986 | static int wpa_cli_cmd_reconnect(struct wpa_ctrl *ctrl, int argc, | |
987 | char *argv[]) | |
988 | { | |
989 | return wpa_ctrl_command(ctrl, "RECONNECT"); | |
990 | } | |
991 | ||
992 | ||
993 | static int wpa_cli_cmd_save_config(struct wpa_ctrl *ctrl, int argc, | |
994 | char *argv[]) | |
995 | { | |
996 | return wpa_ctrl_command(ctrl, "SAVE_CONFIG"); | |
997 | } | |
998 | ||
999 | ||
1000 | static int wpa_cli_cmd_scan(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
1001 | { | |
1002 | return wpa_ctrl_command(ctrl, "SCAN"); | |
1003 | } | |
1004 | ||
1005 | ||
1006 | static int wpa_cli_cmd_scan_results(struct wpa_ctrl *ctrl, int argc, | |
1007 | char *argv[]) | |
1008 | { | |
1009 | return wpa_ctrl_command(ctrl, "SCAN_RESULTS"); | |
1010 | } | |
1011 | ||
1012 | ||
1013 | static int wpa_cli_cmd_bss(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
1014 | { | |
1015 | char cmd[64]; | |
1016 | int res; | |
1017 | ||
1018 | if (argc != 1) { | |
1019 | printf("Invalid BSS command: need one argument (index or " | |
1020 | "BSSID)\n"); | |
1021 | return -1; | |
1022 | } | |
1023 | ||
1024 | res = os_snprintf(cmd, sizeof(cmd), "BSS %s", argv[0]); | |
1025 | if (res < 0 || (size_t) res >= sizeof(cmd)) | |
1026 | return -1; | |
1027 | cmd[sizeof(cmd) - 1] = '\0'; | |
1028 | ||
1029 | return wpa_ctrl_command(ctrl, cmd); | |
1030 | } | |
1031 | ||
1032 | ||
1033 | static int wpa_cli_cmd_get_capability(struct wpa_ctrl *ctrl, int argc, | |
1034 | char *argv[]) | |
1035 | { | |
1036 | char cmd[64]; | |
1037 | int res; | |
1038 | ||
1039 | if (argc < 1 || argc > 2) { | |
1040 | printf("Invalid GET_CAPABILITY command: need either one or " | |
1041 | "two arguments\n"); | |
1042 | return -1; | |
1043 | } | |
1044 | ||
1045 | if ((argc == 2) && os_strcmp(argv[1], "strict") != 0) { | |
1046 | printf("Invalid GET_CAPABILITY command: second argument, " | |
1047 | "if any, must be 'strict'\n"); | |
1048 | return -1; | |
1049 | } | |
1050 | ||
1051 | res = os_snprintf(cmd, sizeof(cmd), "GET_CAPABILITY %s%s", argv[0], | |
1052 | (argc == 2) ? " strict" : ""); | |
1053 | if (res < 0 || (size_t) res >= sizeof(cmd)) | |
1054 | return -1; | |
1055 | cmd[sizeof(cmd) - 1] = '\0'; | |
1056 | ||
1057 | return wpa_ctrl_command(ctrl, cmd); | |
1058 | } | |
1059 | ||
1060 | ||
1061 | static int wpa_cli_list_interfaces(struct wpa_ctrl *ctrl) | |
1062 | { | |
1063 | printf("Available interfaces:\n"); | |
1064 | return wpa_ctrl_command(ctrl, "INTERFACES"); | |
1065 | } | |
1066 | ||
1067 | ||
1068 | static int wpa_cli_cmd_interface(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
1069 | { | |
1070 | if (argc < 1) { | |
1071 | wpa_cli_list_interfaces(ctrl); | |
1072 | return 0; | |
1073 | } | |
1074 | ||
1075 | wpa_cli_close_connection(); | |
1076 | os_free(ctrl_ifname); | |
1077 | ctrl_ifname = os_strdup(argv[0]); | |
1078 | ||
1079 | if (wpa_cli_open_connection(ctrl_ifname)) { | |
1080 | printf("Connected to interface '%s.\n", ctrl_ifname); | |
1081 | if (wpa_ctrl_attach(ctrl_conn) == 0) { | |
1082 | wpa_cli_attached = 1; | |
1083 | } else { | |
1084 | printf("Warning: Failed to attach to " | |
1085 | "wpa_supplicant.\n"); | |
1086 | } | |
1087 | } else { | |
1088 | printf("Could not connect to interface '%s' - re-trying\n", | |
1089 | ctrl_ifname); | |
1090 | } | |
1091 | return 0; | |
1092 | } | |
1093 | ||
1094 | ||
1095 | static int wpa_cli_cmd_reconfigure(struct wpa_ctrl *ctrl, int argc, | |
1096 | char *argv[]) | |
1097 | { | |
1098 | return wpa_ctrl_command(ctrl, "RECONFIGURE"); | |
1099 | } | |
1100 | ||
1101 | ||
1102 | static int wpa_cli_cmd_terminate(struct wpa_ctrl *ctrl, int argc, | |
1103 | char *argv[]) | |
1104 | { | |
1105 | return wpa_ctrl_command(ctrl, "TERMINATE"); | |
1106 | } | |
1107 | ||
1108 | ||
1109 | static int wpa_cli_cmd_interface_add(struct wpa_ctrl *ctrl, int argc, | |
1110 | char *argv[]) | |
1111 | { | |
1112 | char cmd[256]; | |
1113 | int res; | |
1114 | ||
1115 | if (argc < 1) { | |
1116 | printf("Invalid INTERFACE_ADD command: needs at least one " | |
1117 | "argument (interface name)\n" | |
1118 | "All arguments: ifname confname driver ctrl_interface " | |
1119 | "driver_param bridge_name\n"); | |
1120 | return -1; | |
1121 | } | |
1122 | ||
1123 | /* | |
1124 | * INTERFACE_ADD <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB | |
1125 | * <driver_param>TAB<bridge_name> | |
1126 | */ | |
1127 | res = os_snprintf(cmd, sizeof(cmd), | |
1128 | "INTERFACE_ADD %s\t%s\t%s\t%s\t%s\t%s", | |
1129 | argv[0], | |
1130 | argc > 1 ? argv[1] : "", argc > 2 ? argv[2] : "", | |
1131 | argc > 3 ? argv[3] : "", argc > 4 ? argv[4] : "", | |
1132 | argc > 5 ? argv[5] : ""); | |
1133 | if (res < 0 || (size_t) res >= sizeof(cmd)) | |
1134 | return -1; | |
1135 | cmd[sizeof(cmd) - 1] = '\0'; | |
1136 | return wpa_ctrl_command(ctrl, cmd); | |
1137 | } | |
1138 | ||
1139 | ||
1140 | static int wpa_cli_cmd_interface_remove(struct wpa_ctrl *ctrl, int argc, | |
1141 | char *argv[]) | |
1142 | { | |
1143 | char cmd[128]; | |
1144 | int res; | |
1145 | ||
1146 | if (argc != 1) { | |
1147 | printf("Invalid INTERFACE_REMOVE command: needs one argument " | |
1148 | "(interface name)\n"); | |
1149 | return -1; | |
1150 | } | |
1151 | ||
1152 | res = os_snprintf(cmd, sizeof(cmd), "INTERFACE_REMOVE %s", argv[0]); | |
1153 | if (res < 0 || (size_t) res >= sizeof(cmd)) | |
1154 | return -1; | |
1155 | cmd[sizeof(cmd) - 1] = '\0'; | |
1156 | return wpa_ctrl_command(ctrl, cmd); | |
1157 | } | |
1158 | ||
1159 | ||
4b4a8ae5 JM |
1160 | static int wpa_cli_cmd_interface_list(struct wpa_ctrl *ctrl, int argc, |
1161 | char *argv[]) | |
1162 | { | |
1163 | return wpa_ctrl_command(ctrl, "INTERFACE_LIST"); | |
1164 | } | |
1165 | ||
1166 | ||
e653b622 JM |
1167 | #ifdef CONFIG_AP |
1168 | static int wpa_cli_cmd_sta(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
1169 | { | |
1170 | char buf[64]; | |
1171 | if (argc != 1) { | |
1172 | printf("Invalid 'sta' command - exactly one argument, STA " | |
1173 | "address, is required.\n"); | |
1174 | return -1; | |
1175 | } | |
1176 | snprintf(buf, sizeof(buf), "STA %s", argv[0]); | |
1177 | return wpa_ctrl_command(ctrl, buf); | |
1178 | } | |
1179 | ||
1180 | ||
1181 | static int wpa_ctrl_command_sta(struct wpa_ctrl *ctrl, char *cmd, | |
1182 | char *addr, size_t addr_len) | |
1183 | { | |
1184 | char buf[4096], *pos; | |
1185 | size_t len; | |
1186 | int ret; | |
1187 | ||
1188 | if (ctrl_conn == NULL) { | |
1189 | printf("Not connected to hostapd - command dropped.\n"); | |
1190 | return -1; | |
1191 | } | |
1192 | len = sizeof(buf) - 1; | |
1193 | ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len, | |
1194 | wpa_cli_msg_cb); | |
1195 | if (ret == -2) { | |
1196 | printf("'%s' command timed out.\n", cmd); | |
1197 | return -2; | |
1198 | } else if (ret < 0) { | |
1199 | printf("'%s' command failed.\n", cmd); | |
1200 | return -1; | |
1201 | } | |
1202 | ||
1203 | buf[len] = '\0'; | |
1204 | if (memcmp(buf, "FAIL", 4) == 0) | |
1205 | return -1; | |
1206 | printf("%s", buf); | |
1207 | ||
1208 | pos = buf; | |
1209 | while (*pos != '\0' && *pos != '\n') | |
1210 | pos++; | |
1211 | *pos = '\0'; | |
1212 | os_strlcpy(addr, buf, addr_len); | |
1213 | return 0; | |
1214 | } | |
1215 | ||
1216 | ||
1217 | static int wpa_cli_cmd_all_sta(struct wpa_ctrl *ctrl, int argc, char *argv[]) | |
1218 | { | |
1219 | char addr[32], cmd[64]; | |
1220 | ||
1221 | if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr))) | |
1222 | return 0; | |
1223 | do { | |
1224 | snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr); | |
1225 | } while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr)) == 0); | |
1226 | ||
1227 | return -1; | |
1228 | } | |
1229 | #endif /* CONFIG_AP */ | |
1230 | ||
1231 | ||
40fd868c ER |
1232 | enum wpa_cli_cmd_flags { |
1233 | cli_cmd_flag_none = 0x00, | |
1234 | cli_cmd_flag_sensitive = 0x01 | |
1235 | }; | |
1236 | ||
6fc6879b JM |
1237 | struct wpa_cli_cmd { |
1238 | const char *cmd; | |
1239 | int (*handler)(struct wpa_ctrl *ctrl, int argc, char *argv[]); | |
40fd868c | 1240 | enum wpa_cli_cmd_flags flags; |
dfa141b1 | 1241 | const char *usage; |
6fc6879b JM |
1242 | }; |
1243 | ||
1244 | static struct wpa_cli_cmd wpa_cli_commands[] = { | |
40fd868c | 1245 | { "status", wpa_cli_cmd_status, |
dfa141b1 ER |
1246 | cli_cmd_flag_none, |
1247 | "[verbose] = get current WPA/EAPOL/EAP status" }, | |
40fd868c | 1248 | { "ping", wpa_cli_cmd_ping, |
dfa141b1 ER |
1249 | cli_cmd_flag_none, |
1250 | "= pings wpa_supplicant" }, | |
40fd868c | 1251 | { "mib", wpa_cli_cmd_mib, |
dfa141b1 ER |
1252 | cli_cmd_flag_none, |
1253 | "= get MIB variables (dot1x, dot11)" }, | |
40fd868c | 1254 | { "help", wpa_cli_cmd_help, |
dfa141b1 ER |
1255 | cli_cmd_flag_none, |
1256 | "= show this usage help" }, | |
40fd868c | 1257 | { "interface", wpa_cli_cmd_interface, |
dfa141b1 ER |
1258 | cli_cmd_flag_none, |
1259 | "[ifname] = show interfaces/select interface" }, | |
40fd868c | 1260 | { "level", wpa_cli_cmd_level, |
dfa141b1 ER |
1261 | cli_cmd_flag_none, |
1262 | "<debug level> = change debug level" }, | |
40fd868c | 1263 | { "license", wpa_cli_cmd_license, |
dfa141b1 ER |
1264 | cli_cmd_flag_none, |
1265 | "= show full wpa_cli license" }, | |
40fd868c | 1266 | { "quit", wpa_cli_cmd_quit, |
dfa141b1 ER |
1267 | cli_cmd_flag_none, |
1268 | "= exit wpa_cli" }, | |
40fd868c | 1269 | { "set", wpa_cli_cmd_set, |
dfa141b1 ER |
1270 | cli_cmd_flag_none, |
1271 | "= set variables (shows list of variables when run without " | |
1272 | "arguments)" }, | |
40fd868c | 1273 | { "logon", wpa_cli_cmd_logon, |
dfa141b1 ER |
1274 | cli_cmd_flag_none, |
1275 | "= IEEE 802.1X EAPOL state machine logon" }, | |
40fd868c | 1276 | { "logoff", wpa_cli_cmd_logoff, |
dfa141b1 ER |
1277 | cli_cmd_flag_none, |
1278 | "= IEEE 802.1X EAPOL state machine logoff" }, | |
40fd868c | 1279 | { "pmksa", wpa_cli_cmd_pmksa, |
dfa141b1 ER |
1280 | cli_cmd_flag_none, |
1281 | "= show PMKSA cache" }, | |
40fd868c | 1282 | { "reassociate", wpa_cli_cmd_reassociate, |
dfa141b1 ER |
1283 | cli_cmd_flag_none, |
1284 | "= force reassociation" }, | |
40fd868c | 1285 | { "preauthenticate", wpa_cli_cmd_preauthenticate, |
dfa141b1 ER |
1286 | cli_cmd_flag_none, |
1287 | "<BSSID> = force preauthentication" }, | |
40fd868c | 1288 | { "identity", wpa_cli_cmd_identity, |
dfa141b1 ER |
1289 | cli_cmd_flag_none, |
1290 | "<network id> <identity> = configure identity for an SSID" }, | |
40fd868c | 1291 | { "password", wpa_cli_cmd_password, |
dfa141b1 ER |
1292 | cli_cmd_flag_sensitive, |
1293 | "<network id> <password> = configure password for an SSID" }, | |
40fd868c | 1294 | { "new_password", wpa_cli_cmd_new_password, |
dfa141b1 ER |
1295 | cli_cmd_flag_sensitive, |
1296 | "<network id> <password> = change password for an SSID" }, | |
40fd868c | 1297 | { "pin", wpa_cli_cmd_pin, |
dfa141b1 ER |
1298 | cli_cmd_flag_sensitive, |
1299 | "<network id> <pin> = configure pin for an SSID" }, | |
40fd868c | 1300 | { "otp", wpa_cli_cmd_otp, |
dfa141b1 ER |
1301 | cli_cmd_flag_sensitive, |
1302 | "<network id> <password> = configure one-time-password for an SSID" | |
1303 | }, | |
40fd868c | 1304 | { "passphrase", wpa_cli_cmd_passphrase, |
dfa141b1 ER |
1305 | cli_cmd_flag_sensitive, |
1306 | "<network id> <passphrase> = configure private key passphrase\n" | |
1307 | " for an SSID" }, | |
40fd868c | 1308 | { "bssid", wpa_cli_cmd_bssid, |
dfa141b1 ER |
1309 | cli_cmd_flag_none, |
1310 | "<network id> <BSSID> = set preferred BSSID for an SSID" }, | |
40fd868c | 1311 | { "list_networks", wpa_cli_cmd_list_networks, |
dfa141b1 ER |
1312 | cli_cmd_flag_none, |
1313 | "= list configured networks" }, | |
40fd868c | 1314 | { "select_network", wpa_cli_cmd_select_network, |
dfa141b1 ER |
1315 | cli_cmd_flag_none, |
1316 | "<network id> = select a network (disable others)" }, | |
40fd868c | 1317 | { "enable_network", wpa_cli_cmd_enable_network, |
dfa141b1 ER |
1318 | cli_cmd_flag_none, |
1319 | "<network id> = enable a network" }, | |
40fd868c | 1320 | { "disable_network", wpa_cli_cmd_disable_network, |
dfa141b1 ER |
1321 | cli_cmd_flag_none, |
1322 | "<network id> = disable a network" }, | |
40fd868c | 1323 | { "add_network", wpa_cli_cmd_add_network, |
dfa141b1 ER |
1324 | cli_cmd_flag_none, |
1325 | "= add a network" }, | |
40fd868c | 1326 | { "remove_network", wpa_cli_cmd_remove_network, |
dfa141b1 ER |
1327 | cli_cmd_flag_none, |
1328 | "<network id> = remove a network" }, | |
40fd868c | 1329 | { "set_network", wpa_cli_cmd_set_network, |
dfa141b1 ER |
1330 | cli_cmd_flag_sensitive, |
1331 | "<network id> <variable> <value> = set network variables (shows\n" | |
1332 | " list of variables when run without arguments)" }, | |
40fd868c | 1333 | { "get_network", wpa_cli_cmd_get_network, |
dfa141b1 ER |
1334 | cli_cmd_flag_none, |
1335 | "<network id> <variable> = get network variables" }, | |
40fd868c | 1336 | { "save_config", wpa_cli_cmd_save_config, |
dfa141b1 ER |
1337 | cli_cmd_flag_none, |
1338 | "= save the current configuration" }, | |
40fd868c | 1339 | { "disconnect", wpa_cli_cmd_disconnect, |
dfa141b1 ER |
1340 | cli_cmd_flag_none, |
1341 | "= disconnect and wait for reassociate/reconnect command before\n" | |
1342 | " connecting" }, | |
40fd868c | 1343 | { "reconnect", wpa_cli_cmd_reconnect, |
dfa141b1 ER |
1344 | cli_cmd_flag_none, |
1345 | "= like reassociate, but only takes effect if already disconnected" | |
1346 | }, | |
40fd868c | 1347 | { "scan", wpa_cli_cmd_scan, |
dfa141b1 ER |
1348 | cli_cmd_flag_none, |
1349 | "= request new BSS scan" }, | |
40fd868c | 1350 | { "scan_results", wpa_cli_cmd_scan_results, |
dfa141b1 ER |
1351 | cli_cmd_flag_none, |
1352 | "= get latest scan results" }, | |
40fd868c | 1353 | { "bss", wpa_cli_cmd_bss, |
dfa141b1 ER |
1354 | cli_cmd_flag_none, |
1355 | "<<idx> | <bssid>> = get detailed scan result info" }, | |
40fd868c | 1356 | { "get_capability", wpa_cli_cmd_get_capability, |
dfa141b1 ER |
1357 | cli_cmd_flag_none, |
1358 | "<eap/pairwise/group/key_mgmt/proto/auth_alg> = get capabilies" }, | |
40fd868c | 1359 | { "reconfigure", wpa_cli_cmd_reconfigure, |
dfa141b1 ER |
1360 | cli_cmd_flag_none, |
1361 | "= force wpa_supplicant to re-read its configuration file" }, | |
40fd868c | 1362 | { "terminate", wpa_cli_cmd_terminate, |
dfa141b1 ER |
1363 | cli_cmd_flag_none, |
1364 | "= terminate wpa_supplicant" }, | |
40fd868c | 1365 | { "interface_add", wpa_cli_cmd_interface_add, |
dfa141b1 ER |
1366 | cli_cmd_flag_none, |
1367 | "<ifname> <confname> <driver> <ctrl_interface> <driver_param>\n" | |
1368 | " <bridge_name> = adds new interface, all parameters but <ifname>\n" | |
1369 | " are optional" }, | |
40fd868c | 1370 | { "interface_remove", wpa_cli_cmd_interface_remove, |
dfa141b1 ER |
1371 | cli_cmd_flag_none, |
1372 | "<ifname> = removes the interface" }, | |
40fd868c | 1373 | { "interface_list", wpa_cli_cmd_interface_list, |
dfa141b1 ER |
1374 | cli_cmd_flag_none, |
1375 | "= list available interfaces" }, | |
40fd868c | 1376 | { "ap_scan", wpa_cli_cmd_ap_scan, |
dfa141b1 ER |
1377 | cli_cmd_flag_none, |
1378 | "<value> = set ap_scan parameter" }, | |
40fd868c | 1379 | { "stkstart", wpa_cli_cmd_stkstart, |
dfa141b1 ER |
1380 | cli_cmd_flag_none, |
1381 | "<addr> = request STK negotiation with <addr>" }, | |
40fd868c | 1382 | { "ft_ds", wpa_cli_cmd_ft_ds, |
dfa141b1 ER |
1383 | cli_cmd_flag_none, |
1384 | "<addr> = request over-the-DS FT with <addr>" }, | |
40fd868c | 1385 | { "wps_pbc", wpa_cli_cmd_wps_pbc, |
dfa141b1 ER |
1386 | cli_cmd_flag_none, |
1387 | "[BSSID] = start Wi-Fi Protected Setup: Push Button Configuration" }, | |
40fd868c | 1388 | { "wps_pin", wpa_cli_cmd_wps_pin, |
dfa141b1 ER |
1389 | cli_cmd_flag_sensitive, |
1390 | "<BSSID> [PIN] = start WPS PIN method (returns PIN, if not " | |
1391 | "hardcoded)" }, | |
116f7bb0 | 1392 | #ifdef CONFIG_WPS_OOB |
46bdb83a MH |
1393 | { "wps_oob", wpa_cli_cmd_wps_oob, |
1394 | cli_cmd_flag_sensitive, | |
e1ee6b60 | 1395 | "<DEV_TYPE> <PATH> <METHOD> [DEV_NAME] = start WPS OOB" }, |
116f7bb0 | 1396 | #endif /* CONFIG_WPS_OOB */ |
40fd868c | 1397 | { "wps_reg", wpa_cli_cmd_wps_reg, |
dfa141b1 ER |
1398 | cli_cmd_flag_sensitive, |
1399 | "<BSSID> <AP PIN> = start WPS Registrar to configure an AP" }, | |
11ef8d35 JM |
1400 | { "ibss_rsn", wpa_cli_cmd_ibss_rsn, |
1401 | cli_cmd_flag_none, | |
1402 | "<addr> = request RSN authentication with <addr> in IBSS" }, | |
e653b622 JM |
1403 | #ifdef CONFIG_AP |
1404 | { "sta", wpa_cli_cmd_sta, | |
1405 | cli_cmd_flag_none, | |
1406 | "<addr> = get information about an associated station (AP)" }, | |
1407 | { "all_sta", wpa_cli_cmd_all_sta, | |
1408 | cli_cmd_flag_none, | |
1409 | "= get information about all associated stations (AP)" }, | |
1410 | #endif /* CONFIG_AP */ | |
dfa141b1 | 1411 | { NULL, NULL, cli_cmd_flag_none, NULL } |
6fc6879b JM |
1412 | }; |
1413 | ||
1414 | ||
dfa141b1 ER |
1415 | /* |
1416 | * Prints command usage, lines are padded with the specified string. | |
1417 | */ | |
1418 | static void print_cmd_help(struct wpa_cli_cmd *cmd, const char *pad) | |
1419 | { | |
1420 | char c; | |
1421 | size_t n; | |
1422 | ||
1423 | printf("%s%s ", pad, cmd->cmd); | |
1424 | for (n = 0; (c = cmd->usage[n]); n++) { | |
1425 | printf("%c", c); | |
1426 | if (c == '\n') | |
1427 | printf("%s", pad); | |
1428 | } | |
1429 | printf("\n"); | |
1430 | } | |
1431 | ||
1432 | ||
1433 | static void print_help(void) | |
1434 | { | |
1435 | int n; | |
1436 | printf("commands:\n"); | |
1437 | for (n = 0; wpa_cli_commands[n].cmd; n++) | |
1438 | print_cmd_help(&wpa_cli_commands[n], " "); | |
1439 | } | |
1440 | ||
1441 | ||
40fd868c ER |
1442 | #ifdef CONFIG_READLINE |
1443 | static int cmd_has_sensitive_data(const char *cmd) | |
1444 | { | |
1445 | const char *c, *delim; | |
1446 | int n; | |
1447 | size_t len; | |
1448 | ||
1449 | delim = os_strchr(cmd, ' '); | |
1450 | if (delim) | |
1451 | len = delim - cmd; | |
1452 | else | |
1453 | len = os_strlen(cmd); | |
1454 | ||
1455 | for (n = 0; (c = wpa_cli_commands[n].cmd); n++) { | |
1456 | if (os_strncasecmp(cmd, c, len) == 0 && len == os_strlen(c)) | |
1457 | return (wpa_cli_commands[n].flags & | |
1458 | cli_cmd_flag_sensitive); | |
1459 | } | |
1460 | return 0; | |
1461 | } | |
1462 | #endif /* CONFIG_READLINE */ | |
1463 | ||
1464 | ||
6fc6879b JM |
1465 | static int wpa_request(struct wpa_ctrl *ctrl, int argc, char *argv[]) |
1466 | { | |
1467 | struct wpa_cli_cmd *cmd, *match = NULL; | |
1468 | int count; | |
1469 | int ret = 0; | |
1470 | ||
1471 | count = 0; | |
1472 | cmd = wpa_cli_commands; | |
1473 | while (cmd->cmd) { | |
1474 | if (os_strncasecmp(cmd->cmd, argv[0], os_strlen(argv[0])) == 0) | |
1475 | { | |
1476 | match = cmd; | |
1477 | if (os_strcasecmp(cmd->cmd, argv[0]) == 0) { | |
1478 | /* we have an exact match */ | |
1479 | count = 1; | |
1480 | break; | |
1481 | } | |
1482 | count++; | |
1483 | } | |
1484 | cmd++; | |
1485 | } | |
1486 | ||
1487 | if (count > 1) { | |
1488 | printf("Ambiguous command '%s'; possible commands:", argv[0]); | |
1489 | cmd = wpa_cli_commands; | |
1490 | while (cmd->cmd) { | |
1491 | if (os_strncasecmp(cmd->cmd, argv[0], | |
1492 | os_strlen(argv[0])) == 0) { | |
1493 | printf(" %s", cmd->cmd); | |
1494 | } | |
1495 | cmd++; | |
1496 | } | |
1497 | printf("\n"); | |
1498 | ret = 1; | |
1499 | } else if (count == 0) { | |
1500 | printf("Unknown command '%s'\n", argv[0]); | |
1501 | ret = 1; | |
1502 | } else { | |
1503 | ret = match->handler(ctrl, argc - 1, &argv[1]); | |
1504 | } | |
1505 | ||
1506 | return ret; | |
1507 | } | |
1508 | ||
1509 | ||
1510 | static int str_match(const char *a, const char *b) | |
1511 | { | |
1512 | return os_strncmp(a, b, os_strlen(b)) == 0; | |
1513 | } | |
1514 | ||
1515 | ||
1516 | static int wpa_cli_exec(const char *program, const char *arg1, | |
1517 | const char *arg2) | |
1518 | { | |
1519 | char *cmd; | |
1520 | size_t len; | |
1521 | int res; | |
308a4ec8 | 1522 | int ret = 0; |
6fc6879b JM |
1523 | |
1524 | len = os_strlen(program) + os_strlen(arg1) + os_strlen(arg2) + 3; | |
1525 | cmd = os_malloc(len); | |
1526 | if (cmd == NULL) | |
1527 | return -1; | |
1528 | res = os_snprintf(cmd, len, "%s %s %s", program, arg1, arg2); | |
1529 | if (res < 0 || (size_t) res >= len) { | |
1530 | os_free(cmd); | |
1531 | return -1; | |
1532 | } | |
1533 | cmd[len - 1] = '\0'; | |
1534 | #ifndef _WIN32_WCE | |
308a4ec8 JM |
1535 | if (system(cmd) < 0) |
1536 | ret = -1; | |
6fc6879b JM |
1537 | #endif /* _WIN32_WCE */ |
1538 | os_free(cmd); | |
1539 | ||
308a4ec8 | 1540 | return ret; |
6fc6879b JM |
1541 | } |
1542 | ||
1543 | ||
1544 | static void wpa_cli_action_process(const char *msg) | |
1545 | { | |
1546 | const char *pos; | |
1547 | char *copy = NULL, *id, *pos2; | |
1548 | ||
1549 | pos = msg; | |
1550 | if (*pos == '<') { | |
1551 | /* skip priority */ | |
1552 | pos = os_strchr(pos, '>'); | |
1553 | if (pos) | |
1554 | pos++; | |
1555 | else | |
1556 | pos = msg; | |
1557 | } | |
1558 | ||
1559 | if (str_match(pos, WPA_EVENT_CONNECTED)) { | |
1560 | int new_id = -1; | |
1561 | os_unsetenv("WPA_ID"); | |
1562 | os_unsetenv("WPA_ID_STR"); | |
1563 | os_unsetenv("WPA_CTRL_DIR"); | |
1564 | ||
1565 | pos = os_strstr(pos, "[id="); | |
1566 | if (pos) | |
1567 | copy = os_strdup(pos + 4); | |
1568 | ||
1569 | if (copy) { | |
1570 | pos2 = id = copy; | |
1571 | while (*pos2 && *pos2 != ' ') | |
1572 | pos2++; | |
1573 | *pos2++ = '\0'; | |
1574 | new_id = atoi(id); | |
1575 | os_setenv("WPA_ID", id, 1); | |
1576 | while (*pos2 && *pos2 != '=') | |
1577 | pos2++; | |
1578 | if (*pos2 == '=') | |
1579 | pos2++; | |
1580 | id = pos2; | |
1581 | while (*pos2 && *pos2 != ']') | |
1582 | pos2++; | |
1583 | *pos2 = '\0'; | |
1584 | os_setenv("WPA_ID_STR", id, 1); | |
1585 | os_free(copy); | |
1586 | } | |
1587 | ||
1588 | os_setenv("WPA_CTRL_DIR", ctrl_iface_dir, 1); | |
1589 | ||
1590 | if (!wpa_cli_connected || new_id != wpa_cli_last_id) { | |
1591 | wpa_cli_connected = 1; | |
1592 | wpa_cli_last_id = new_id; | |
1593 | wpa_cli_exec(action_file, ctrl_ifname, "CONNECTED"); | |
1594 | } | |
1595 | } else if (str_match(pos, WPA_EVENT_DISCONNECTED)) { | |
1596 | if (wpa_cli_connected) { | |
1597 | wpa_cli_connected = 0; | |
1598 | wpa_cli_exec(action_file, ctrl_ifname, "DISCONNECTED"); | |
1599 | } | |
1600 | } else if (str_match(pos, WPA_EVENT_TERMINATING)) { | |
1601 | printf("wpa_supplicant is terminating - stop monitoring\n"); | |
1602 | wpa_cli_quit = 1; | |
1603 | } | |
1604 | } | |
1605 | ||
1606 | ||
1607 | #ifndef CONFIG_ANSI_C_EXTRA | |
1608 | static void wpa_cli_action_cb(char *msg, size_t len) | |
1609 | { | |
1610 | wpa_cli_action_process(msg); | |
1611 | } | |
1612 | #endif /* CONFIG_ANSI_C_EXTRA */ | |
1613 | ||
1614 | ||
1615 | static void wpa_cli_reconnect(void) | |
1616 | { | |
1617 | wpa_cli_close_connection(); | |
1618 | ctrl_conn = wpa_cli_open_connection(ctrl_ifname); | |
1619 | if (ctrl_conn) { | |
1620 | printf("Connection to wpa_supplicant re-established\n"); | |
1621 | if (wpa_ctrl_attach(ctrl_conn) == 0) { | |
1622 | wpa_cli_attached = 1; | |
1623 | } else { | |
1624 | printf("Warning: Failed to attach to " | |
1625 | "wpa_supplicant.\n"); | |
1626 | } | |
1627 | } | |
1628 | } | |
1629 | ||
1630 | ||
1631 | static void wpa_cli_recv_pending(struct wpa_ctrl *ctrl, int in_read, | |
1632 | int action_monitor) | |
1633 | { | |
1634 | int first = 1; | |
1635 | if (ctrl_conn == NULL) { | |
1636 | wpa_cli_reconnect(); | |
1637 | return; | |
1638 | } | |
1639 | while (wpa_ctrl_pending(ctrl) > 0) { | |
1640 | char buf[256]; | |
1641 | size_t len = sizeof(buf) - 1; | |
1642 | if (wpa_ctrl_recv(ctrl, buf, &len) == 0) { | |
1643 | buf[len] = '\0'; | |
1644 | if (action_monitor) | |
1645 | wpa_cli_action_process(buf); | |
1646 | else { | |
1647 | if (in_read && first) | |
1648 | printf("\n"); | |
1649 | first = 0; | |
1650 | printf("%s\n", buf); | |
1651 | } | |
1652 | } else { | |
1653 | printf("Could not read pending message.\n"); | |
1654 | break; | |
1655 | } | |
1656 | } | |
1657 | ||
1658 | if (wpa_ctrl_pending(ctrl) < 0) { | |
1659 | printf("Connection to wpa_supplicant lost - trying to " | |
1660 | "reconnect\n"); | |
1661 | wpa_cli_reconnect(); | |
1662 | } | |
1663 | } | |
1664 | ||
1665 | ||
1666 | #ifdef CONFIG_READLINE | |
1667 | static char * wpa_cli_cmd_gen(const char *text, int state) | |
1668 | { | |
1669 | static int i, len; | |
1670 | const char *cmd; | |
1671 | ||
1672 | if (state == 0) { | |
1673 | i = 0; | |
1674 | len = os_strlen(text); | |
1675 | } | |
1676 | ||
1677 | while ((cmd = wpa_cli_commands[i].cmd)) { | |
1678 | i++; | |
1679 | if (os_strncasecmp(cmd, text, len) == 0) | |
1680 | return os_strdup(cmd); | |
1681 | } | |
1682 | ||
1683 | return NULL; | |
1684 | } | |
1685 | ||
1686 | ||
1687 | static char * wpa_cli_dummy_gen(const char *text, int state) | |
1688 | { | |
1689 | return NULL; | |
1690 | } | |
1691 | ||
1692 | ||
1693 | static char ** wpa_cli_completion(const char *text, int start, int end) | |
1694 | { | |
1695 | return rl_completion_matches(text, start == 0 ? | |
1696 | wpa_cli_cmd_gen : wpa_cli_dummy_gen); | |
1697 | } | |
1698 | #endif /* CONFIG_READLINE */ | |
1699 | ||
1700 | ||
1701 | static void wpa_cli_interactive(void) | |
1702 | { | |
1703 | #define max_args 10 | |
1704 | char cmdbuf[256], *cmd, *argv[max_args], *pos; | |
1705 | int argc; | |
1706 | #ifdef CONFIG_READLINE | |
1707 | char *home, *hfile = NULL; | |
1708 | #endif /* CONFIG_READLINE */ | |
1709 | ||
1710 | printf("\nInteractive mode\n\n"); | |
1711 | ||
1712 | #ifdef CONFIG_READLINE | |
1713 | rl_attempted_completion_function = wpa_cli_completion; | |
1714 | home = getenv("HOME"); | |
1715 | if (home) { | |
1716 | const char *fname = ".wpa_cli_history"; | |
1717 | int hfile_len = os_strlen(home) + 1 + os_strlen(fname) + 1; | |
1718 | hfile = os_malloc(hfile_len); | |
1719 | if (hfile) { | |
1720 | int res; | |
1721 | res = os_snprintf(hfile, hfile_len, "%s/%s", home, | |
1722 | fname); | |
1723 | if (res >= 0 && res < hfile_len) { | |
1724 | hfile[hfile_len - 1] = '\0'; | |
1725 | read_history(hfile); | |
1726 | stifle_history(100); | |
1727 | } | |
1728 | } | |
1729 | } | |
1730 | #endif /* CONFIG_READLINE */ | |
1731 | ||
1732 | do { | |
1733 | wpa_cli_recv_pending(ctrl_conn, 0, 0); | |
1734 | #ifndef CONFIG_NATIVE_WINDOWS | |
1cc84c1c | 1735 | alarm(ping_interval); |
6fc6879b JM |
1736 | #endif /* CONFIG_NATIVE_WINDOWS */ |
1737 | #ifdef CONFIG_READLINE | |
1738 | cmd = readline("> "); | |
1739 | if (cmd && *cmd) { | |
1740 | HIST_ENTRY *h; | |
1741 | while (next_history()) | |
1742 | ; | |
1743 | h = previous_history(); | |
1744 | if (h == NULL || os_strcmp(cmd, h->line) != 0) | |
1745 | add_history(cmd); | |
1746 | next_history(); | |
1747 | } | |
1748 | #else /* CONFIG_READLINE */ | |
1749 | printf("> "); | |
1750 | cmd = fgets(cmdbuf, sizeof(cmdbuf), stdin); | |
1751 | #endif /* CONFIG_READLINE */ | |
1752 | #ifndef CONFIG_NATIVE_WINDOWS | |
1753 | alarm(0); | |
1754 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
1755 | if (cmd == NULL) | |
1756 | break; | |
1757 | wpa_cli_recv_pending(ctrl_conn, 0, 0); | |
1758 | pos = cmd; | |
1759 | while (*pos != '\0') { | |
1760 | if (*pos == '\n') { | |
1761 | *pos = '\0'; | |
1762 | break; | |
1763 | } | |
1764 | pos++; | |
1765 | } | |
1766 | argc = 0; | |
1767 | pos = cmd; | |
1768 | for (;;) { | |
1769 | while (*pos == ' ') | |
1770 | pos++; | |
1771 | if (*pos == '\0') | |
1772 | break; | |
1773 | argv[argc] = pos; | |
1774 | argc++; | |
1775 | if (argc == max_args) | |
1776 | break; | |
1777 | if (*pos == '"') { | |
1778 | char *pos2 = os_strrchr(pos, '"'); | |
1779 | if (pos2) | |
1780 | pos = pos2 + 1; | |
1781 | } | |
1782 | while (*pos != '\0' && *pos != ' ') | |
1783 | pos++; | |
1784 | if (*pos == ' ') | |
1785 | *pos++ = '\0'; | |
1786 | } | |
1787 | if (argc) | |
1788 | wpa_request(ctrl_conn, argc, argv); | |
1789 | ||
1790 | if (cmd != cmdbuf) | |
1791 | os_free(cmd); | |
1792 | } while (!wpa_cli_quit); | |
1793 | ||
1794 | #ifdef CONFIG_READLINE | |
1795 | if (hfile) { | |
1796 | /* Save command history, excluding lines that may contain | |
1797 | * passwords. */ | |
1798 | HIST_ENTRY *h; | |
1799 | history_set_pos(0); | |
413653e8 | 1800 | while ((h = current_history())) { |
6fc6879b JM |
1801 | char *p = h->line; |
1802 | while (*p == ' ' || *p == '\t') | |
1803 | p++; | |
40fd868c | 1804 | if (cmd_has_sensitive_data(p)) { |
6fc6879b JM |
1805 | h = remove_history(where_history()); |
1806 | if (h) { | |
1807 | os_free(h->line); | |
1808 | os_free(h->data); | |
1809 | os_free(h); | |
413653e8 ER |
1810 | } else |
1811 | next_history(); | |
1812 | } else | |
1813 | next_history(); | |
6fc6879b JM |
1814 | } |
1815 | write_history(hfile); | |
1816 | os_free(hfile); | |
1817 | } | |
1818 | #endif /* CONFIG_READLINE */ | |
1819 | } | |
1820 | ||
1821 | ||
1822 | static void wpa_cli_action(struct wpa_ctrl *ctrl) | |
1823 | { | |
1824 | #ifdef CONFIG_ANSI_C_EXTRA | |
1825 | /* TODO: ANSI C version(?) */ | |
1826 | printf("Action processing not supported in ANSI C build.\n"); | |
1827 | #else /* CONFIG_ANSI_C_EXTRA */ | |
1828 | fd_set rfds; | |
1829 | int fd, res; | |
1830 | struct timeval tv; | |
1831 | char buf[256]; /* note: large enough to fit in unsolicited messages */ | |
1832 | size_t len; | |
1833 | ||
1834 | fd = wpa_ctrl_get_fd(ctrl); | |
1835 | ||
1836 | while (!wpa_cli_quit) { | |
1837 | FD_ZERO(&rfds); | |
1838 | FD_SET(fd, &rfds); | |
1cc84c1c | 1839 | tv.tv_sec = ping_interval; |
6fc6879b JM |
1840 | tv.tv_usec = 0; |
1841 | res = select(fd + 1, &rfds, NULL, NULL, &tv); | |
1842 | if (res < 0 && errno != EINTR) { | |
1843 | perror("select"); | |
1844 | break; | |
1845 | } | |
1846 | ||
1847 | if (FD_ISSET(fd, &rfds)) | |
1848 | wpa_cli_recv_pending(ctrl, 0, 1); | |
1849 | else { | |
1850 | /* verify that connection is still working */ | |
1851 | len = sizeof(buf) - 1; | |
1852 | if (wpa_ctrl_request(ctrl, "PING", 4, buf, &len, | |
1853 | wpa_cli_action_cb) < 0 || | |
1854 | len < 4 || os_memcmp(buf, "PONG", 4) != 0) { | |
1855 | printf("wpa_supplicant did not reply to PING " | |
1856 | "command - exiting\n"); | |
1857 | break; | |
1858 | } | |
1859 | } | |
1860 | } | |
1861 | #endif /* CONFIG_ANSI_C_EXTRA */ | |
1862 | } | |
1863 | ||
1864 | ||
1865 | static void wpa_cli_cleanup(void) | |
1866 | { | |
1867 | wpa_cli_close_connection(); | |
1868 | if (pid_file) | |
1869 | os_daemonize_terminate(pid_file); | |
1870 | ||
1871 | os_program_deinit(); | |
1872 | } | |
1873 | ||
1874 | static void wpa_cli_terminate(int sig) | |
1875 | { | |
1876 | wpa_cli_cleanup(); | |
1877 | exit(0); | |
1878 | } | |
1879 | ||
1880 | ||
1881 | #ifndef CONFIG_NATIVE_WINDOWS | |
1882 | static void wpa_cli_alarm(int sig) | |
1883 | { | |
1884 | if (ctrl_conn && _wpa_ctrl_command(ctrl_conn, "PING", 0)) { | |
1885 | printf("Connection to wpa_supplicant lost - trying to " | |
1886 | "reconnect\n"); | |
1887 | wpa_cli_close_connection(); | |
1888 | } | |
1889 | if (!ctrl_conn) | |
1890 | wpa_cli_reconnect(); | |
1891 | if (ctrl_conn) | |
1892 | wpa_cli_recv_pending(ctrl_conn, 1, 0); | |
1cc84c1c | 1893 | alarm(ping_interval); |
6fc6879b JM |
1894 | } |
1895 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
1896 | ||
1897 | ||
1898 | static char * wpa_cli_get_default_ifname(void) | |
1899 | { | |
1900 | char *ifname = NULL; | |
1901 | ||
1902 | #ifdef CONFIG_CTRL_IFACE_UNIX | |
1903 | struct dirent *dent; | |
1904 | DIR *dir = opendir(ctrl_iface_dir); | |
1905 | if (!dir) | |
1906 | return NULL; | |
1907 | while ((dent = readdir(dir))) { | |
1908 | #ifdef _DIRENT_HAVE_D_TYPE | |
1909 | /* | |
1910 | * Skip the file if it is not a socket. Also accept | |
1911 | * DT_UNKNOWN (0) in case the C library or underlying | |
1912 | * file system does not support d_type. | |
1913 | */ | |
1914 | if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN) | |
1915 | continue; | |
1916 | #endif /* _DIRENT_HAVE_D_TYPE */ | |
1917 | if (os_strcmp(dent->d_name, ".") == 0 || | |
1918 | os_strcmp(dent->d_name, "..") == 0) | |
1919 | continue; | |
1920 | printf("Selected interface '%s'\n", dent->d_name); | |
1921 | ifname = os_strdup(dent->d_name); | |
1922 | break; | |
1923 | } | |
1924 | closedir(dir); | |
1925 | #endif /* CONFIG_CTRL_IFACE_UNIX */ | |
1926 | ||
1927 | #ifdef CONFIG_CTRL_IFACE_NAMED_PIPE | |
1928 | char buf[2048], *pos; | |
1929 | size_t len; | |
1930 | struct wpa_ctrl *ctrl; | |
1931 | int ret; | |
1932 | ||
1933 | ctrl = wpa_ctrl_open(NULL); | |
1934 | if (ctrl == NULL) | |
1935 | return NULL; | |
1936 | ||
1937 | len = sizeof(buf) - 1; | |
1938 | ret = wpa_ctrl_request(ctrl, "INTERFACES", 10, buf, &len, NULL); | |
1939 | if (ret >= 0) { | |
1940 | buf[len] = '\0'; | |
1941 | pos = os_strchr(buf, '\n'); | |
1942 | if (pos) | |
1943 | *pos = '\0'; | |
1944 | ifname = os_strdup(buf); | |
1945 | } | |
1946 | wpa_ctrl_close(ctrl); | |
1947 | #endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */ | |
1948 | ||
1949 | return ifname; | |
1950 | } | |
1951 | ||
1952 | ||
1953 | int main(int argc, char *argv[]) | |
1954 | { | |
1955 | int interactive; | |
1956 | int warning_displayed = 0; | |
1957 | int c; | |
1958 | int daemonize = 0; | |
1959 | int ret = 0; | |
1960 | const char *global = NULL; | |
1961 | ||
1962 | if (os_program_init()) | |
1963 | return -1; | |
1964 | ||
1965 | for (;;) { | |
1cc84c1c | 1966 | c = getopt(argc, argv, "a:Bg:G:hi:p:P:v"); |
6fc6879b JM |
1967 | if (c < 0) |
1968 | break; | |
1969 | switch (c) { | |
1970 | case 'a': | |
1971 | action_file = optarg; | |
1972 | break; | |
1973 | case 'B': | |
1974 | daemonize = 1; | |
1975 | break; | |
1976 | case 'g': | |
1977 | global = optarg; | |
1978 | break; | |
1cc84c1c JM |
1979 | case 'G': |
1980 | ping_interval = atoi(optarg); | |
1981 | break; | |
6fc6879b JM |
1982 | case 'h': |
1983 | usage(); | |
1984 | return 0; | |
1985 | case 'v': | |
1986 | printf("%s\n", wpa_cli_version); | |
1987 | return 0; | |
1988 | case 'i': | |
1989 | os_free(ctrl_ifname); | |
1990 | ctrl_ifname = os_strdup(optarg); | |
1991 | break; | |
1992 | case 'p': | |
1993 | ctrl_iface_dir = optarg; | |
1994 | break; | |
1995 | case 'P': | |
1996 | pid_file = optarg; | |
1997 | break; | |
1998 | default: | |
1999 | usage(); | |
2000 | return -1; | |
2001 | } | |
2002 | } | |
2003 | ||
2004 | interactive = (argc == optind) && (action_file == NULL); | |
2005 | ||
2006 | if (interactive) | |
2007 | printf("%s\n\n%s\n\n", wpa_cli_version, wpa_cli_license); | |
2008 | ||
2009 | if (global) { | |
2010 | #ifdef CONFIG_CTRL_IFACE_NAMED_PIPE | |
2011 | ctrl_conn = wpa_ctrl_open(NULL); | |
2012 | #else /* CONFIG_CTRL_IFACE_NAMED_PIPE */ | |
2013 | ctrl_conn = wpa_ctrl_open(global); | |
2014 | #endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */ | |
2015 | if (ctrl_conn == NULL) { | |
2016 | perror("Failed to connect to wpa_supplicant - " | |
2017 | "wpa_ctrl_open"); | |
2018 | return -1; | |
2019 | } | |
2020 | } | |
2021 | ||
2022 | for (; !global;) { | |
2023 | if (ctrl_ifname == NULL) | |
2024 | ctrl_ifname = wpa_cli_get_default_ifname(); | |
2025 | ctrl_conn = wpa_cli_open_connection(ctrl_ifname); | |
2026 | if (ctrl_conn) { | |
2027 | if (warning_displayed) | |
2028 | printf("Connection established.\n"); | |
2029 | break; | |
2030 | } | |
2031 | ||
2032 | if (!interactive) { | |
2033 | perror("Failed to connect to wpa_supplicant - " | |
2034 | "wpa_ctrl_open"); | |
2035 | return -1; | |
2036 | } | |
2037 | ||
2038 | if (!warning_displayed) { | |
2039 | printf("Could not connect to wpa_supplicant - " | |
2040 | "re-trying\n"); | |
2041 | warning_displayed = 1; | |
2042 | } | |
2043 | os_sleep(1, 0); | |
2044 | continue; | |
2045 | } | |
2046 | ||
2047 | #ifndef _WIN32_WCE | |
2048 | signal(SIGINT, wpa_cli_terminate); | |
2049 | signal(SIGTERM, wpa_cli_terminate); | |
2050 | #endif /* _WIN32_WCE */ | |
2051 | #ifndef CONFIG_NATIVE_WINDOWS | |
2052 | signal(SIGALRM, wpa_cli_alarm); | |
2053 | #endif /* CONFIG_NATIVE_WINDOWS */ | |
2054 | ||
2055 | if (interactive || action_file) { | |
2056 | if (wpa_ctrl_attach(ctrl_conn) == 0) { | |
2057 | wpa_cli_attached = 1; | |
2058 | } else { | |
2059 | printf("Warning: Failed to attach to " | |
2060 | "wpa_supplicant.\n"); | |
2061 | if (!interactive) | |
2062 | return -1; | |
2063 | } | |
2064 | } | |
2065 | ||
2066 | if (daemonize && os_daemonize(pid_file)) | |
2067 | return -1; | |
2068 | ||
2069 | if (interactive) | |
2070 | wpa_cli_interactive(); | |
2071 | else if (action_file) | |
2072 | wpa_cli_action(ctrl_conn); | |
2073 | else | |
2074 | ret = wpa_request(ctrl_conn, argc - optind, &argv[optind]); | |
2075 | ||
2076 | os_free(ctrl_ifname); | |
2077 | wpa_cli_cleanup(); | |
2078 | ||
2079 | return ret; | |
2080 | } | |
2081 | ||
2082 | #else /* CONFIG_CTRL_IFACE */ | |
2083 | int main(int argc, char *argv[]) | |
2084 | { | |
2085 | printf("CONFIG_CTRL_IFACE not defined - wpa_cli disabled\n"); | |
2086 | return -1; | |
2087 | } | |
2088 | #endif /* CONFIG_CTRL_IFACE */ |