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