1 /*
2 * WPA Supplicant / Configuration parser and common functions
3 * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "includes.h"
10
11 #include "common.h"
12 #include "utils/uuid.h"
13 #include "utils/ip_addr.h"
14 #include "common/ieee802_1x_defs.h"
15 #include "crypto/sha1.h"
16 #include "rsn_supp/wpa.h"
17 #include "eap_peer/eap.h"
18 #include "p2p/p2p.h"
19 #include "fst/fst.h"
20 #include "config.h"
21
22
23 #if !defined(CONFIG_CTRL_IFACE) && defined(CONFIG_NO_CONFIG_WRITE)
24 #define NO_CONFIG_WRITE
25 #endif
26
27 /*
28 * Structure for network configuration parsing. This data is used to implement
29 * a generic parser for each network block variable. The table of configuration
30 * variables is defined below in this file (ssid_fields[]).
31 */
32 struct parse_data {
33 /* Configuration variable name */
34 char *name;
35
36 /* Parser function for this variable. The parser functions return 0 or 1
37 * to indicate success. Value 0 indicates that the parameter value may
38 * have changed while value 1 means that the value did not change.
39 * Error cases (failure to parse the string) are indicated by returning
40 * -1. */
41 int (*parser)(const struct parse_data *data, struct wpa_ssid *ssid,
42 int line, const char *value);
43
44 #ifndef NO_CONFIG_WRITE
45 /* Writer function (i.e., to get the variable in text format from
46 * internal presentation). */
47 char * (*writer)(const struct parse_data *data, struct wpa_ssid *ssid);
48 #endif /* NO_CONFIG_WRITE */
49
50 /* Variable specific parameters for the parser. */
51 void *param1, *param2, *param3, *param4;
52
53 /* 0 = this variable can be included in debug output and ctrl_iface
54 * 1 = this variable contains key/private data and it must not be
55 * included in debug output unless explicitly requested. In
56 * addition, this variable will not be readable through the
57 * ctrl_iface.
58 */
59 int key_data;
60 };
61
62
wpa_config_parse_str(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)63 static int wpa_config_parse_str(const struct parse_data *data,
64 struct wpa_ssid *ssid,
65 int line, const char *value)
66 {
67 size_t res_len, *dst_len, prev_len;
68 char **dst, *tmp;
69
70 if (os_strcmp(value, "NULL") == 0) {
71 wpa_printf(MSG_DEBUG, "Unset configuration string '%s'",
72 data->name);
73 tmp = NULL;
74 res_len = 0;
75 goto set;
76 }
77
78 tmp = wpa_config_parse_string(value, &res_len);
79 if (tmp == NULL) {
80 wpa_printf(MSG_ERROR, "Line %d: failed to parse %s '%s'.",
81 line, data->name,
82 data->key_data ? "[KEY DATA REMOVED]" : value);
83 return -1;
84 }
85
86 if (data->key_data) {
87 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
88 (u8 *) tmp, res_len);
89 } else {
90 wpa_hexdump_ascii(MSG_MSGDUMP, data->name,
91 (u8 *) tmp, res_len);
92 }
93
94 if (data->param3 && res_len < (size_t) data->param3) {
95 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
96 "min_len=%ld)", line, data->name,
97 (unsigned long) res_len, (long) data->param3);
98 os_free(tmp);
99 return -1;
100 }
101
102 if (data->param4 && res_len > (size_t) data->param4) {
103 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
104 "max_len=%ld)", line, data->name,
105 (unsigned long) res_len, (long) data->param4);
106 os_free(tmp);
107 return -1;
108 }
109
110 set:
111 dst = (char **) (((u8 *) ssid) + (long) data->param1);
112 dst_len = (size_t *) (((u8 *) ssid) + (long) data->param2);
113
114 if (data->param2)
115 prev_len = *dst_len;
116 else if (*dst)
117 prev_len = os_strlen(*dst);
118 else
119 prev_len = 0;
120 if ((*dst == NULL && tmp == NULL) ||
121 (*dst && tmp && prev_len == res_len &&
122 os_memcmp(*dst, tmp, res_len) == 0)) {
123 /* No change to the previously configured value */
124 os_free(tmp);
125 return 1;
126 }
127
128 os_free(*dst);
129 *dst = tmp;
130 if (data->param2)
131 *dst_len = res_len;
132
133 return 0;
134 }
135
136
137 #ifndef NO_CONFIG_WRITE
wpa_config_write_string_ascii(const u8 * value,size_t len)138 static char * wpa_config_write_string_ascii(const u8 *value, size_t len)
139 {
140 char *buf;
141
142 buf = os_malloc(len + 3);
143 if (buf == NULL)
144 return NULL;
145 buf[0] = '"';
146 os_memcpy(buf + 1, value, len);
147 buf[len + 1] = '"';
148 buf[len + 2] = '\0';
149
150 return buf;
151 }
152
153
wpa_config_write_string_hex(const u8 * value,size_t len)154 static char * wpa_config_write_string_hex(const u8 *value, size_t len)
155 {
156 char *buf;
157
158 buf = os_zalloc(2 * len + 1);
159 if (buf == NULL)
160 return NULL;
161 wpa_snprintf_hex(buf, 2 * len + 1, value, len);
162
163 return buf;
164 }
165
166
wpa_config_write_string(const u8 * value,size_t len)167 static char * wpa_config_write_string(const u8 *value, size_t len)
168 {
169 if (value == NULL)
170 return NULL;
171
172 if (is_hex(value, len))
173 return wpa_config_write_string_hex(value, len);
174 else
175 return wpa_config_write_string_ascii(value, len);
176 }
177
178
wpa_config_write_str(const struct parse_data * data,struct wpa_ssid * ssid)179 static char * wpa_config_write_str(const struct parse_data *data,
180 struct wpa_ssid *ssid)
181 {
182 size_t len;
183 char **src;
184
185 src = (char **) (((u8 *) ssid) + (long) data->param1);
186 if (*src == NULL)
187 return NULL;
188
189 if (data->param2)
190 len = *((size_t *) (((u8 *) ssid) + (long) data->param2));
191 else
192 len = os_strlen(*src);
193
194 return wpa_config_write_string((const u8 *) *src, len);
195 }
196 #endif /* NO_CONFIG_WRITE */
197
198
wpa_config_parse_int(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)199 static int wpa_config_parse_int(const struct parse_data *data,
200 struct wpa_ssid *ssid,
201 int line, const char *value)
202 {
203 int val, *dst;
204 char *end;
205
206 dst = (int *) (((u8 *) ssid) + (long) data->param1);
207 val = strtol(value, &end, 0);
208 if (*end) {
209 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"",
210 line, value);
211 return -1;
212 }
213
214 if (*dst == val)
215 return 1;
216 *dst = val;
217 wpa_printf(MSG_MSGDUMP, "%s=%d (0x%x)", data->name, *dst, *dst);
218
219 if (data->param3 && *dst < (long) data->param3) {
220 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
221 "min_value=%ld)", line, data->name, *dst,
222 (long) data->param3);
223 *dst = (long) data->param3;
224 return -1;
225 }
226
227 if (data->param4 && *dst > (long) data->param4) {
228 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
229 "max_value=%ld)", line, data->name, *dst,
230 (long) data->param4);
231 *dst = (long) data->param4;
232 return -1;
233 }
234
235 return 0;
236 }
237
238
239 #ifndef NO_CONFIG_WRITE
wpa_config_write_int(const struct parse_data * data,struct wpa_ssid * ssid)240 static char * wpa_config_write_int(const struct parse_data *data,
241 struct wpa_ssid *ssid)
242 {
243 int *src, res;
244 char *value;
245
246 src = (int *) (((u8 *) ssid) + (long) data->param1);
247
248 value = os_malloc(20);
249 if (value == NULL)
250 return NULL;
251 res = os_snprintf(value, 20, "%d", *src);
252 if (os_snprintf_error(20, res)) {
253 os_free(value);
254 return NULL;
255 }
256 value[20 - 1] = '\0';
257 return value;
258 }
259 #endif /* NO_CONFIG_WRITE */
260
261
wpa_config_parse_addr_list(const struct parse_data * data,int line,const char * value,u8 ** list,size_t * num,char * name,u8 abort_on_error,u8 masked)262 static int wpa_config_parse_addr_list(const struct parse_data *data,
263 int line, const char *value,
264 u8 **list, size_t *num, char *name,
265 u8 abort_on_error, u8 masked)
266 {
267 const char *pos;
268 u8 *buf, *n, addr[2 * ETH_ALEN];
269 size_t count;
270
271 buf = NULL;
272 count = 0;
273
274 pos = value;
275 while (pos && *pos) {
276 while (*pos == ' ')
277 pos++;
278
279 if (hwaddr_masked_aton(pos, addr, &addr[ETH_ALEN], masked)) {
280 if (abort_on_error || count == 0) {
281 wpa_printf(MSG_ERROR,
282 "Line %d: Invalid %s address '%s'",
283 line, name, value);
284 os_free(buf);
285 return -1;
286 }
287 /* continue anyway since this could have been from a
288 * truncated configuration file line */
289 wpa_printf(MSG_INFO,
290 "Line %d: Ignore likely truncated %s address '%s'",
291 line, name, pos);
292 } else {
293 n = os_realloc_array(buf, count + 1, 2 * ETH_ALEN);
294 if (n == NULL) {
295 os_free(buf);
296 return -1;
297 }
298 buf = n;
299 os_memmove(buf + 2 * ETH_ALEN, buf,
300 count * 2 * ETH_ALEN);
301 os_memcpy(buf, addr, 2 * ETH_ALEN);
302 count++;
303 wpa_printf(MSG_MSGDUMP,
304 "%s: addr=" MACSTR " mask=" MACSTR,
305 name, MAC2STR(addr),
306 MAC2STR(&addr[ETH_ALEN]));
307 }
308
309 pos = os_strchr(pos, ' ');
310 }
311
312 os_free(*list);
313 *list = buf;
314 *num = count;
315
316 return 0;
317 }
318
319
320 #ifndef NO_CONFIG_WRITE
wpa_config_write_addr_list(const struct parse_data * data,const u8 * list,size_t num,char * name)321 static char * wpa_config_write_addr_list(const struct parse_data *data,
322 const u8 *list, size_t num, char *name)
323 {
324 char *value, *end, *pos;
325 int res;
326 size_t i;
327
328 if (list == NULL || num == 0)
329 return NULL;
330
331 value = os_malloc(2 * 20 * num);
332 if (value == NULL)
333 return NULL;
334 pos = value;
335 end = value + 2 * 20 * num;
336
337 for (i = num; i > 0; i--) {
338 const u8 *a = list + (i - 1) * 2 * ETH_ALEN;
339 const u8 *m = a + ETH_ALEN;
340
341 if (i < num)
342 *pos++ = ' ';
343 res = hwaddr_mask_txt(pos, end - pos, a, m);
344 if (res < 0) {
345 os_free(value);
346 return NULL;
347 }
348 pos += res;
349 }
350
351 return value;
352 }
353 #endif /* NO_CONFIG_WRITE */
354
wpa_config_parse_bssid(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)355 static int wpa_config_parse_bssid(const struct parse_data *data,
356 struct wpa_ssid *ssid, int line,
357 const char *value)
358 {
359 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
360 os_strcmp(value, "any") == 0) {
361 ssid->bssid_set = 0;
362 wpa_printf(MSG_MSGDUMP, "BSSID any");
363 return 0;
364 }
365 if (hwaddr_aton(value, ssid->bssid)) {
366 wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID '%s'.",
367 line, value);
368 return -1;
369 }
370 ssid->bssid_set = 1;
371 wpa_hexdump(MSG_MSGDUMP, "BSSID", ssid->bssid, ETH_ALEN);
372 return 0;
373 }
374
375
376 #ifndef NO_CONFIG_WRITE
wpa_config_write_bssid(const struct parse_data * data,struct wpa_ssid * ssid)377 static char * wpa_config_write_bssid(const struct parse_data *data,
378 struct wpa_ssid *ssid)
379 {
380 char *value;
381 int res;
382
383 if (!ssid->bssid_set)
384 return NULL;
385
386 value = os_malloc(20);
387 if (value == NULL)
388 return NULL;
389 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid));
390 if (os_snprintf_error(20, res)) {
391 os_free(value);
392 return NULL;
393 }
394 value[20 - 1] = '\0';
395 return value;
396 }
397 #endif /* NO_CONFIG_WRITE */
398
399
wpa_config_parse_bssid_hint(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)400 static int wpa_config_parse_bssid_hint(const struct parse_data *data,
401 struct wpa_ssid *ssid, int line,
402 const char *value)
403 {
404 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
405 os_strcmp(value, "any") == 0) {
406 ssid->bssid_hint_set = 0;
407 wpa_printf(MSG_MSGDUMP, "BSSID hint any");
408 return 0;
409 }
410 if (hwaddr_aton(value, ssid->bssid_hint)) {
411 wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID hint '%s'.",
412 line, value);
413 return -1;
414 }
415 ssid->bssid_hint_set = 1;
416 wpa_hexdump(MSG_MSGDUMP, "BSSID hint", ssid->bssid_hint, ETH_ALEN);
417 return 0;
418 }
419
420
421 #ifndef NO_CONFIG_WRITE
wpa_config_write_bssid_hint(const struct parse_data * data,struct wpa_ssid * ssid)422 static char * wpa_config_write_bssid_hint(const struct parse_data *data,
423 struct wpa_ssid *ssid)
424 {
425 char *value;
426 int res;
427
428 if (!ssid->bssid_hint_set)
429 return NULL;
430
431 value = os_malloc(20);
432 if (!value)
433 return NULL;
434 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid_hint));
435 if (os_snprintf_error(20, res)) {
436 os_free(value);
437 return NULL;
438 }
439 return value;
440 }
441 #endif /* NO_CONFIG_WRITE */
442
443
wpa_config_parse_bssid_blacklist(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)444 static int wpa_config_parse_bssid_blacklist(const struct parse_data *data,
445 struct wpa_ssid *ssid, int line,
446 const char *value)
447 {
448 return wpa_config_parse_addr_list(data, line, value,
449 &ssid->bssid_blacklist,
450 &ssid->num_bssid_blacklist,
451 "bssid_blacklist", 1, 1);
452 }
453
454
455 #ifndef NO_CONFIG_WRITE
wpa_config_write_bssid_blacklist(const struct parse_data * data,struct wpa_ssid * ssid)456 static char * wpa_config_write_bssid_blacklist(const struct parse_data *data,
457 struct wpa_ssid *ssid)
458 {
459 return wpa_config_write_addr_list(data, ssid->bssid_blacklist,
460 ssid->num_bssid_blacklist,
461 "bssid_blacklist");
462 }
463 #endif /* NO_CONFIG_WRITE */
464
465
wpa_config_parse_bssid_whitelist(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)466 static int wpa_config_parse_bssid_whitelist(const struct parse_data *data,
467 struct wpa_ssid *ssid, int line,
468 const char *value)
469 {
470 return wpa_config_parse_addr_list(data, line, value,
471 &ssid->bssid_whitelist,
472 &ssid->num_bssid_whitelist,
473 "bssid_whitelist", 1, 1);
474 }
475
476
477 #ifndef NO_CONFIG_WRITE
wpa_config_write_bssid_whitelist(const struct parse_data * data,struct wpa_ssid * ssid)478 static char * wpa_config_write_bssid_whitelist(const struct parse_data *data,
479 struct wpa_ssid *ssid)
480 {
481 return wpa_config_write_addr_list(data, ssid->bssid_whitelist,
482 ssid->num_bssid_whitelist,
483 "bssid_whitelist");
484 }
485 #endif /* NO_CONFIG_WRITE */
486
487
wpa_config_parse_psk(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)488 static int wpa_config_parse_psk(const struct parse_data *data,
489 struct wpa_ssid *ssid, int line,
490 const char *value)
491 {
492 #ifdef CONFIG_EXT_PASSWORD
493 if (os_strncmp(value, "ext:", 4) == 0) {
494 str_clear_free(ssid->passphrase);
495 ssid->passphrase = NULL;
496 ssid->psk_set = 0;
497 os_free(ssid->ext_psk);
498 ssid->ext_psk = os_strdup(value + 4);
499 if (ssid->ext_psk == NULL)
500 return -1;
501 wpa_printf(MSG_DEBUG, "PSK: External password '%s'",
502 ssid->ext_psk);
503 return 0;
504 }
505 #endif /* CONFIG_EXT_PASSWORD */
506
507 if (*value == '"') {
508 #ifndef CONFIG_NO_PBKDF2
509 const char *pos;
510 size_t len;
511
512 value++;
513 pos = os_strrchr(value, '"');
514 if (pos)
515 len = pos - value;
516 else
517 len = os_strlen(value);
518 if (len < 8 || len > 63) {
519 wpa_printf(MSG_ERROR, "Line %d: Invalid passphrase "
520 "length %lu (expected: 8..63) '%s'.",
521 line, (unsigned long) len, value);
522 return -1;
523 }
524 wpa_hexdump_ascii_key(MSG_MSGDUMP, "PSK (ASCII passphrase)",
525 (u8 *) value, len);
526 if (has_ctrl_char((u8 *) value, len)) {
527 wpa_printf(MSG_ERROR,
528 "Line %d: Invalid passphrase character",
529 line);
530 return -1;
531 }
532 if (ssid->passphrase && os_strlen(ssid->passphrase) == len &&
533 os_memcmp(ssid->passphrase, value, len) == 0) {
534 /* No change to the previously configured value */
535 return 1;
536 }
537 ssid->psk_set = 0;
538 str_clear_free(ssid->passphrase);
539 ssid->passphrase = dup_binstr(value, len);
540 if (ssid->passphrase == NULL)
541 return -1;
542 return 0;
543 #else /* CONFIG_NO_PBKDF2 */
544 wpa_printf(MSG_ERROR, "Line %d: ASCII passphrase not "
545 "supported.", line);
546 return -1;
547 #endif /* CONFIG_NO_PBKDF2 */
548 }
549
550 if (hexstr2bin(value, ssid->psk, PMK_LEN) ||
551 value[PMK_LEN * 2] != '\0') {
552 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
553 line, value);
554 return -1;
555 }
556
557 str_clear_free(ssid->passphrase);
558 ssid->passphrase = NULL;
559
560 ssid->psk_set = 1;
561 wpa_hexdump_key(MSG_MSGDUMP, "PSK", ssid->psk, PMK_LEN);
562 return 0;
563 }
564
565
566 #ifndef NO_CONFIG_WRITE
wpa_config_write_psk(const struct parse_data * data,struct wpa_ssid * ssid)567 static char * wpa_config_write_psk(const struct parse_data *data,
568 struct wpa_ssid *ssid)
569 {
570 #ifdef CONFIG_EXT_PASSWORD
571 if (ssid->ext_psk) {
572 size_t len = 4 + os_strlen(ssid->ext_psk) + 1;
573 char *buf = os_malloc(len);
574 int res;
575
576 if (buf == NULL)
577 return NULL;
578 res = os_snprintf(buf, len, "ext:%s", ssid->ext_psk);
579 if (os_snprintf_error(len, res)) {
580 os_free(buf);
581 buf = NULL;
582 }
583 return buf;
584 }
585 #endif /* CONFIG_EXT_PASSWORD */
586
587 if (ssid->passphrase)
588 return wpa_config_write_string_ascii(
589 (const u8 *) ssid->passphrase,
590 os_strlen(ssid->passphrase));
591
592 if (ssid->psk_set)
593 return wpa_config_write_string_hex(ssid->psk, PMK_LEN);
594
595 return NULL;
596 }
597 #endif /* NO_CONFIG_WRITE */
598
599
wpa_config_parse_proto(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)600 static int wpa_config_parse_proto(const struct parse_data *data,
601 struct wpa_ssid *ssid, int line,
602 const char *value)
603 {
604 int val = 0, last, errors = 0;
605 char *start, *end, *buf;
606
607 buf = os_strdup(value);
608 if (buf == NULL)
609 return -1;
610 start = buf;
611
612 while (*start != '\0') {
613 while (*start == ' ' || *start == '\t')
614 start++;
615 if (*start == '\0')
616 break;
617 end = start;
618 while (*end != ' ' && *end != '\t' && *end != '\0')
619 end++;
620 last = *end == '\0';
621 *end = '\0';
622 if (os_strcmp(start, "WPA") == 0)
623 val |= WPA_PROTO_WPA;
624 else if (os_strcmp(start, "RSN") == 0 ||
625 os_strcmp(start, "WPA2") == 0)
626 val |= WPA_PROTO_RSN;
627 else if (os_strcmp(start, "OSEN") == 0)
628 val |= WPA_PROTO_OSEN;
629 else {
630 wpa_printf(MSG_ERROR, "Line %d: invalid proto '%s'",
631 line, start);
632 errors++;
633 }
634
635 if (last)
636 break;
637 start = end + 1;
638 }
639 os_free(buf);
640
641 if (val == 0) {
642 wpa_printf(MSG_ERROR,
643 "Line %d: no proto values configured.", line);
644 errors++;
645 }
646
647 if (!errors && ssid->proto == val)
648 return 1;
649 wpa_printf(MSG_MSGDUMP, "proto: 0x%x", val);
650 ssid->proto = val;
651 return errors ? -1 : 0;
652 }
653
654
655 #ifndef NO_CONFIG_WRITE
wpa_config_write_proto(const struct parse_data * data,struct wpa_ssid * ssid)656 static char * wpa_config_write_proto(const struct parse_data *data,
657 struct wpa_ssid *ssid)
658 {
659 int ret;
660 char *buf, *pos, *end;
661
662 pos = buf = os_zalloc(20);
663 if (buf == NULL)
664 return NULL;
665 end = buf + 20;
666
667 if (ssid->proto & WPA_PROTO_WPA) {
668 ret = os_snprintf(pos, end - pos, "%sWPA",
669 pos == buf ? "" : " ");
670 if (os_snprintf_error(end - pos, ret))
671 return buf;
672 pos += ret;
673 }
674
675 if (ssid->proto & WPA_PROTO_RSN) {
676 ret = os_snprintf(pos, end - pos, "%sRSN",
677 pos == buf ? "" : " ");
678 if (os_snprintf_error(end - pos, ret))
679 return buf;
680 pos += ret;
681 }
682
683 if (ssid->proto & WPA_PROTO_OSEN) {
684 ret = os_snprintf(pos, end - pos, "%sOSEN",
685 pos == buf ? "" : " ");
686 if (os_snprintf_error(end - pos, ret))
687 return buf;
688 pos += ret;
689 }
690
691 if (pos == buf) {
692 os_free(buf);
693 buf = NULL;
694 }
695
696 return buf;
697 }
698 #endif /* NO_CONFIG_WRITE */
699
700
wpa_config_parse_key_mgmt(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)701 static int wpa_config_parse_key_mgmt(const struct parse_data *data,
702 struct wpa_ssid *ssid, int line,
703 const char *value)
704 {
705 int val = 0, last, errors = 0;
706 char *start, *end, *buf;
707
708 buf = os_strdup(value);
709 if (buf == NULL)
710 return -1;
711 start = buf;
712
713 while (*start != '\0') {
714 while (*start == ' ' || *start == '\t')
715 start++;
716 if (*start == '\0')
717 break;
718 end = start;
719 while (*end != ' ' && *end != '\t' && *end != '\0')
720 end++;
721 last = *end == '\0';
722 *end = '\0';
723 if (os_strcmp(start, "WPA-PSK") == 0)
724 val |= WPA_KEY_MGMT_PSK;
725 else if (os_strcmp(start, "WPA-EAP") == 0)
726 val |= WPA_KEY_MGMT_IEEE8021X;
727 else if (os_strcmp(start, "IEEE8021X") == 0)
728 val |= WPA_KEY_MGMT_IEEE8021X_NO_WPA;
729 else if (os_strcmp(start, "NONE") == 0)
730 val |= WPA_KEY_MGMT_NONE;
731 else if (os_strcmp(start, "WPA-NONE") == 0)
732 val |= WPA_KEY_MGMT_WPA_NONE;
733 #ifdef CONFIG_IEEE80211R
734 else if (os_strcmp(start, "FT-PSK") == 0)
735 val |= WPA_KEY_MGMT_FT_PSK;
736 else if (os_strcmp(start, "FT-EAP") == 0)
737 val |= WPA_KEY_MGMT_FT_IEEE8021X;
738 #endif /* CONFIG_IEEE80211R */
739 #ifdef CONFIG_IEEE80211W
740 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
741 val |= WPA_KEY_MGMT_PSK_SHA256;
742 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
743 val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
744 #endif /* CONFIG_IEEE80211W */
745 #ifdef CONFIG_WPS
746 else if (os_strcmp(start, "WPS") == 0)
747 val |= WPA_KEY_MGMT_WPS;
748 #endif /* CONFIG_WPS */
749 #ifdef CONFIG_SAE
750 else if (os_strcmp(start, "SAE") == 0)
751 val |= WPA_KEY_MGMT_SAE;
752 else if (os_strcmp(start, "FT-SAE") == 0)
753 val |= WPA_KEY_MGMT_FT_SAE;
754 #endif /* CONFIG_SAE */
755 #ifdef CONFIG_HS20
756 else if (os_strcmp(start, "OSEN") == 0)
757 val |= WPA_KEY_MGMT_OSEN;
758 #endif /* CONFIG_HS20 */
759 #ifdef CONFIG_SUITEB
760 else if (os_strcmp(start, "WPA-EAP-SUITE-B") == 0)
761 val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B;
762 #endif /* CONFIG_SUITEB */
763 #ifdef CONFIG_SUITEB192
764 else if (os_strcmp(start, "WPA-EAP-SUITE-B-192") == 0)
765 val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B_192;
766 #endif /* CONFIG_SUITEB192 */
767 #ifdef CONFIG_FILS
768 else if (os_strcmp(start, "FILS-SHA256") == 0)
769 val |= WPA_KEY_MGMT_FILS_SHA256;
770 else if (os_strcmp(start, "FILS-SHA384") == 0)
771 val |= WPA_KEY_MGMT_FILS_SHA384;
772 #ifdef CONFIG_IEEE80211R
773 else if (os_strcmp(start, "FT-FILS-SHA256") == 0)
774 val |= WPA_KEY_MGMT_FT_FILS_SHA256;
775 else if (os_strcmp(start, "FT-FILS-SHA384") == 0)
776 val |= WPA_KEY_MGMT_FT_FILS_SHA384;
777 #endif /* CONFIG_IEEE80211R */
778 #endif /* CONFIG_FILS */
779 #ifdef CONFIG_OWE
780 else if (os_strcmp(start, "OWE") == 0)
781 val |= WPA_KEY_MGMT_OWE;
782 #endif /* CONFIG_OWE */
783 #ifdef CONFIG_DPP
784 else if (os_strcmp(start, "DPP") == 0)
785 val |= WPA_KEY_MGMT_DPP;
786 #endif /* CONFIG_DPP */
787 else {
788 wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
789 line, start);
790 errors++;
791 }
792
793 if (last)
794 break;
795 start = end + 1;
796 }
797 os_free(buf);
798
799 if (val == 0) {
800 wpa_printf(MSG_ERROR,
801 "Line %d: no key_mgmt values configured.", line);
802 errors++;
803 }
804
805 if (!errors && ssid->key_mgmt == val)
806 return 1;
807 wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val);
808 ssid->key_mgmt = val;
809 return errors ? -1 : 0;
810 }
811
812
813 #ifndef NO_CONFIG_WRITE
wpa_config_write_key_mgmt(const struct parse_data * data,struct wpa_ssid * ssid)814 static char * wpa_config_write_key_mgmt(const struct parse_data *data,
815 struct wpa_ssid *ssid)
816 {
817 char *buf, *pos, *end;
818 int ret;
819
820 pos = buf = os_zalloc(100);
821 if (buf == NULL)
822 return NULL;
823 end = buf + 100;
824
825 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
826 ret = os_snprintf(pos, end - pos, "%sWPA-PSK",
827 pos == buf ? "" : " ");
828 if (os_snprintf_error(end - pos, ret)) {
829 end[-1] = '\0';
830 return buf;
831 }
832 pos += ret;
833 }
834
835 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
836 ret = os_snprintf(pos, end - pos, "%sWPA-EAP",
837 pos == buf ? "" : " ");
838 if (os_snprintf_error(end - pos, ret)) {
839 end[-1] = '\0';
840 return buf;
841 }
842 pos += ret;
843 }
844
845 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
846 ret = os_snprintf(pos, end - pos, "%sIEEE8021X",
847 pos == buf ? "" : " ");
848 if (os_snprintf_error(end - pos, ret)) {
849 end[-1] = '\0';
850 return buf;
851 }
852 pos += ret;
853 }
854
855 if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) {
856 ret = os_snprintf(pos, end - pos, "%sNONE",
857 pos == buf ? "" : " ");
858 if (os_snprintf_error(end - pos, ret)) {
859 end[-1] = '\0';
860 return buf;
861 }
862 pos += ret;
863 }
864
865 if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
866 ret = os_snprintf(pos, end - pos, "%sWPA-NONE",
867 pos == buf ? "" : " ");
868 if (os_snprintf_error(end - pos, ret)) {
869 end[-1] = '\0';
870 return buf;
871 }
872 pos += ret;
873 }
874
875 #ifdef CONFIG_IEEE80211R
876 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK) {
877 ret = os_snprintf(pos, end - pos, "%sFT-PSK",
878 pos == buf ? "" : " ");
879 if (os_snprintf_error(end - pos, ret)) {
880 end[-1] = '\0';
881 return buf;
882 }
883 pos += ret;
884 }
885
886 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
887 ret = os_snprintf(pos, end - pos, "%sFT-EAP",
888 pos == buf ? "" : " ");
889 if (os_snprintf_error(end - pos, ret)) {
890 end[-1] = '\0';
891 return buf;
892 }
893 pos += ret;
894 }
895 #endif /* CONFIG_IEEE80211R */
896
897 #ifdef CONFIG_IEEE80211W
898 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
899 ret = os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256",
900 pos == buf ? "" : " ");
901 if (os_snprintf_error(end - pos, ret)) {
902 end[-1] = '\0';
903 return buf;
904 }
905 pos += ret;
906 }
907
908 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
909 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256",
910 pos == buf ? "" : " ");
911 if (os_snprintf_error(end - pos, ret)) {
912 end[-1] = '\0';
913 return buf;
914 }
915 pos += ret;
916 }
917 #endif /* CONFIG_IEEE80211W */
918
919 #ifdef CONFIG_WPS
920 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
921 ret = os_snprintf(pos, end - pos, "%sWPS",
922 pos == buf ? "" : " ");
923 if (os_snprintf_error(end - pos, ret)) {
924 end[-1] = '\0';
925 return buf;
926 }
927 pos += ret;
928 }
929 #endif /* CONFIG_WPS */
930
931 #ifdef CONFIG_SAE
932 if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) {
933 ret = os_snprintf(pos, end - pos, "%sSAE",
934 pos == buf ? "" : " ");
935 if (os_snprintf_error(end - pos, ret)) {
936 end[-1] = '\0';
937 return buf;
938 }
939 pos += ret;
940 }
941
942 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_SAE) {
943 ret = os_snprintf(pos, end - pos, "%sFT-SAE",
944 pos == buf ? "" : " ");
945 if (os_snprintf_error(end - pos, ret)) {
946 end[-1] = '\0';
947 return buf;
948 }
949 pos += ret;
950 }
951 #endif /* CONFIG_SAE */
952
953 #ifdef CONFIG_HS20
954 if (ssid->key_mgmt & WPA_KEY_MGMT_OSEN) {
955 ret = os_snprintf(pos, end - pos, "%sOSEN",
956 pos == buf ? "" : " ");
957 if (os_snprintf_error(end - pos, ret)) {
958 end[-1] = '\0';
959 return buf;
960 }
961 pos += ret;
962 }
963 #endif /* CONFIG_HS20 */
964
965 #ifdef CONFIG_SUITEB
966 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
967 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SUITE-B",
968 pos == buf ? "" : " ");
969 if (os_snprintf_error(end - pos, ret)) {
970 end[-1] = '\0';
971 return buf;
972 }
973 pos += ret;
974 }
975 #endif /* CONFIG_SUITEB */
976
977 #ifdef CONFIG_SUITEB192
978 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
979 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SUITE-B-192",
980 pos == buf ? "" : " ");
981 if (os_snprintf_error(end - pos, ret)) {
982 end[-1] = '\0';
983 return buf;
984 }
985 pos += ret;
986 }
987 #endif /* CONFIG_SUITEB192 */
988
989 #ifdef CONFIG_FILS
990 if (ssid->key_mgmt & WPA_KEY_MGMT_FILS_SHA256) {
991 ret = os_snprintf(pos, end - pos, "%sFILS-SHA256",
992 pos == buf ? "" : " ");
993 if (os_snprintf_error(end - pos, ret)) {
994 end[-1] = '\0';
995 return buf;
996 }
997 pos += ret;
998 }
999 if (ssid->key_mgmt & WPA_KEY_MGMT_FILS_SHA384) {
1000 ret = os_snprintf(pos, end - pos, "%sFILS-SHA384",
1001 pos == buf ? "" : " ");
1002 if (os_snprintf_error(end - pos, ret)) {
1003 end[-1] = '\0';
1004 return buf;
1005 }
1006 pos += ret;
1007 }
1008 #ifdef CONFIG_IEEE80211R
1009 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA256) {
1010 ret = os_snprintf(pos, end - pos, "%sFT-FILS-SHA256",
1011 pos == buf ? "" : " ");
1012 if (os_snprintf_error(end - pos, ret)) {
1013 end[-1] = '\0';
1014 return buf;
1015 }
1016 pos += ret;
1017 }
1018 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA384) {
1019 ret = os_snprintf(pos, end - pos, "%sFT-FILS-SHA384",
1020 pos == buf ? "" : " ");
1021 if (os_snprintf_error(end - pos, ret)) {
1022 end[-1] = '\0';
1023 return buf;
1024 }
1025 pos += ret;
1026 }
1027 #endif /* CONFIG_IEEE80211R */
1028 #endif /* CONFIG_FILS */
1029
1030 if (pos == buf) {
1031 os_free(buf);
1032 buf = NULL;
1033 }
1034
1035 return buf;
1036 }
1037 #endif /* NO_CONFIG_WRITE */
1038
1039
wpa_config_parse_cipher(int line,const char * value)1040 static int wpa_config_parse_cipher(int line, const char *value)
1041 {
1042 #ifdef CONFIG_NO_WPA
1043 return -1;
1044 #else /* CONFIG_NO_WPA */
1045 int val = wpa_parse_cipher(value);
1046 if (val < 0) {
1047 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
1048 line, value);
1049 return -1;
1050 }
1051 if (val == 0) {
1052 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
1053 line);
1054 return -1;
1055 }
1056 return val;
1057 #endif /* CONFIG_NO_WPA */
1058 }
1059
1060
1061 #ifndef NO_CONFIG_WRITE
wpa_config_write_cipher(int cipher)1062 static char * wpa_config_write_cipher(int cipher)
1063 {
1064 #ifdef CONFIG_NO_WPA
1065 return NULL;
1066 #else /* CONFIG_NO_WPA */
1067 char *buf = os_zalloc(50);
1068 if (buf == NULL)
1069 return NULL;
1070
1071 if (wpa_write_ciphers(buf, buf + 50, cipher, " ") < 0) {
1072 os_free(buf);
1073 return NULL;
1074 }
1075
1076 return buf;
1077 #endif /* CONFIG_NO_WPA */
1078 }
1079 #endif /* NO_CONFIG_WRITE */
1080
1081
wpa_config_parse_pairwise(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1082 static int wpa_config_parse_pairwise(const struct parse_data *data,
1083 struct wpa_ssid *ssid, int line,
1084 const char *value)
1085 {
1086 int val;
1087 val = wpa_config_parse_cipher(line, value);
1088 if (val == -1)
1089 return -1;
1090 if (val & ~WPA_ALLOWED_PAIRWISE_CIPHERS) {
1091 wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher "
1092 "(0x%x).", line, val);
1093 return -1;
1094 }
1095
1096 if (ssid->pairwise_cipher == val)
1097 return 1;
1098 wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val);
1099 ssid->pairwise_cipher = val;
1100 return 0;
1101 }
1102
1103
1104 #ifndef NO_CONFIG_WRITE
wpa_config_write_pairwise(const struct parse_data * data,struct wpa_ssid * ssid)1105 static char * wpa_config_write_pairwise(const struct parse_data *data,
1106 struct wpa_ssid *ssid)
1107 {
1108 return wpa_config_write_cipher(ssid->pairwise_cipher);
1109 }
1110 #endif /* NO_CONFIG_WRITE */
1111
1112
wpa_config_parse_group(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1113 static int wpa_config_parse_group(const struct parse_data *data,
1114 struct wpa_ssid *ssid, int line,
1115 const char *value)
1116 {
1117 int val;
1118 val = wpa_config_parse_cipher(line, value);
1119 if (val == -1)
1120 return -1;
1121
1122 /*
1123 * Backwards compatibility - filter out WEP ciphers that were previously
1124 * allowed.
1125 */
1126 val &= ~(WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40);
1127
1128 if (val & ~WPA_ALLOWED_GROUP_CIPHERS) {
1129 wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher "
1130 "(0x%x).", line, val);
1131 return -1;
1132 }
1133
1134 if (ssid->group_cipher == val)
1135 return 1;
1136 wpa_printf(MSG_MSGDUMP, "group: 0x%x", val);
1137 ssid->group_cipher = val;
1138 return 0;
1139 }
1140
1141
1142 #ifndef NO_CONFIG_WRITE
wpa_config_write_group(const struct parse_data * data,struct wpa_ssid * ssid)1143 static char * wpa_config_write_group(const struct parse_data *data,
1144 struct wpa_ssid *ssid)
1145 {
1146 return wpa_config_write_cipher(ssid->group_cipher);
1147 }
1148 #endif /* NO_CONFIG_WRITE */
1149
1150
wpa_config_parse_group_mgmt(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1151 static int wpa_config_parse_group_mgmt(const struct parse_data *data,
1152 struct wpa_ssid *ssid, int line,
1153 const char *value)
1154 {
1155 int val;
1156
1157 val = wpa_config_parse_cipher(line, value);
1158 if (val == -1)
1159 return -1;
1160
1161 if (val & ~WPA_ALLOWED_GROUP_MGMT_CIPHERS) {
1162 wpa_printf(MSG_ERROR,
1163 "Line %d: not allowed group management cipher (0x%x).",
1164 line, val);
1165 return -1;
1166 }
1167
1168 if (ssid->group_mgmt_cipher == val)
1169 return 1;
1170 wpa_printf(MSG_MSGDUMP, "group_mgmt: 0x%x", val);
1171 ssid->group_mgmt_cipher = val;
1172 return 0;
1173 }
1174
1175
1176 #ifndef NO_CONFIG_WRITE
wpa_config_write_group_mgmt(const struct parse_data * data,struct wpa_ssid * ssid)1177 static char * wpa_config_write_group_mgmt(const struct parse_data *data,
1178 struct wpa_ssid *ssid)
1179 {
1180 return wpa_config_write_cipher(ssid->group_mgmt_cipher);
1181 }
1182 #endif /* NO_CONFIG_WRITE */
1183
1184
wpa_config_parse_auth_alg(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1185 static int wpa_config_parse_auth_alg(const struct parse_data *data,
1186 struct wpa_ssid *ssid, int line,
1187 const char *value)
1188 {
1189 int val = 0, last, errors = 0;
1190 char *start, *end, *buf;
1191
1192 buf = os_strdup(value);
1193 if (buf == NULL)
1194 return -1;
1195 start = buf;
1196
1197 while (*start != '\0') {
1198 while (*start == ' ' || *start == '\t')
1199 start++;
1200 if (*start == '\0')
1201 break;
1202 end = start;
1203 while (*end != ' ' && *end != '\t' && *end != '\0')
1204 end++;
1205 last = *end == '\0';
1206 *end = '\0';
1207 if (os_strcmp(start, "OPEN") == 0)
1208 val |= WPA_AUTH_ALG_OPEN;
1209 else if (os_strcmp(start, "SHARED") == 0)
1210 val |= WPA_AUTH_ALG_SHARED;
1211 else if (os_strcmp(start, "LEAP") == 0)
1212 val |= WPA_AUTH_ALG_LEAP;
1213 else {
1214 wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'",
1215 line, start);
1216 errors++;
1217 }
1218
1219 if (last)
1220 break;
1221 start = end + 1;
1222 }
1223 os_free(buf);
1224
1225 if (val == 0) {
1226 wpa_printf(MSG_ERROR,
1227 "Line %d: no auth_alg values configured.", line);
1228 errors++;
1229 }
1230
1231 if (!errors && ssid->auth_alg == val)
1232 return 1;
1233 wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val);
1234 ssid->auth_alg = val;
1235 return errors ? -1 : 0;
1236 }
1237
1238
1239 #ifndef NO_CONFIG_WRITE
wpa_config_write_auth_alg(const struct parse_data * data,struct wpa_ssid * ssid)1240 static char * wpa_config_write_auth_alg(const struct parse_data *data,
1241 struct wpa_ssid *ssid)
1242 {
1243 char *buf, *pos, *end;
1244 int ret;
1245
1246 pos = buf = os_zalloc(30);
1247 if (buf == NULL)
1248 return NULL;
1249 end = buf + 30;
1250
1251 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) {
1252 ret = os_snprintf(pos, end - pos, "%sOPEN",
1253 pos == buf ? "" : " ");
1254 if (os_snprintf_error(end - pos, ret)) {
1255 end[-1] = '\0';
1256 return buf;
1257 }
1258 pos += ret;
1259 }
1260
1261 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) {
1262 ret = os_snprintf(pos, end - pos, "%sSHARED",
1263 pos == buf ? "" : " ");
1264 if (os_snprintf_error(end - pos, ret)) {
1265 end[-1] = '\0';
1266 return buf;
1267 }
1268 pos += ret;
1269 }
1270
1271 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) {
1272 ret = os_snprintf(pos, end - pos, "%sLEAP",
1273 pos == buf ? "" : " ");
1274 if (os_snprintf_error(end - pos, ret)) {
1275 end[-1] = '\0';
1276 return buf;
1277 }
1278 pos += ret;
1279 }
1280
1281 if (pos == buf) {
1282 os_free(buf);
1283 buf = NULL;
1284 }
1285
1286 return buf;
1287 }
1288 #endif /* NO_CONFIG_WRITE */
1289
1290
wpa_config_parse_int_array(const char * value)1291 static int * wpa_config_parse_int_array(const char *value)
1292 {
1293 int *freqs;
1294 size_t used, len;
1295 const char *pos;
1296
1297 used = 0;
1298 len = 10;
1299 freqs = os_calloc(len + 1, sizeof(int));
1300 if (freqs == NULL)
1301 return NULL;
1302
1303 pos = value;
1304 while (pos) {
1305 while (*pos == ' ')
1306 pos++;
1307 if (used == len) {
1308 int *n;
1309 size_t i;
1310 n = os_realloc_array(freqs, len * 2 + 1, sizeof(int));
1311 if (n == NULL) {
1312 os_free(freqs);
1313 return NULL;
1314 }
1315 for (i = len; i <= len * 2; i++)
1316 n[i] = 0;
1317 freqs = n;
1318 len *= 2;
1319 }
1320
1321 freqs[used] = atoi(pos);
1322 if (freqs[used] == 0)
1323 break;
1324 used++;
1325 pos = os_strchr(pos + 1, ' ');
1326 }
1327
1328 return freqs;
1329 }
1330
1331
wpa_config_parse_scan_freq(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1332 static int wpa_config_parse_scan_freq(const struct parse_data *data,
1333 struct wpa_ssid *ssid, int line,
1334 const char *value)
1335 {
1336 int *freqs;
1337
1338 freqs = wpa_config_parse_int_array(value);
1339 if (freqs == NULL)
1340 return -1;
1341 if (freqs[0] == 0) {
1342 os_free(freqs);
1343 freqs = NULL;
1344 }
1345 os_free(ssid->scan_freq);
1346 ssid->scan_freq = freqs;
1347
1348 return 0;
1349 }
1350
1351
wpa_config_parse_freq_list(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1352 static int wpa_config_parse_freq_list(const struct parse_data *data,
1353 struct wpa_ssid *ssid, int line,
1354 const char *value)
1355 {
1356 int *freqs;
1357
1358 freqs = wpa_config_parse_int_array(value);
1359 if (freqs == NULL)
1360 return -1;
1361 if (freqs[0] == 0) {
1362 os_free(freqs);
1363 freqs = NULL;
1364 }
1365 os_free(ssid->freq_list);
1366 ssid->freq_list = freqs;
1367
1368 return 0;
1369 }
1370
1371
1372 #ifndef NO_CONFIG_WRITE
wpa_config_write_freqs(const struct parse_data * data,const int * freqs)1373 static char * wpa_config_write_freqs(const struct parse_data *data,
1374 const int *freqs)
1375 {
1376 char *buf, *pos, *end;
1377 int i, ret;
1378 size_t count;
1379
1380 if (freqs == NULL)
1381 return NULL;
1382
1383 count = 0;
1384 for (i = 0; freqs[i]; i++)
1385 count++;
1386
1387 pos = buf = os_zalloc(10 * count + 1);
1388 if (buf == NULL)
1389 return NULL;
1390 end = buf + 10 * count + 1;
1391
1392 for (i = 0; freqs[i]; i++) {
1393 ret = os_snprintf(pos, end - pos, "%s%u",
1394 i == 0 ? "" : " ", freqs[i]);
1395 if (os_snprintf_error(end - pos, ret)) {
1396 end[-1] = '\0';
1397 return buf;
1398 }
1399 pos += ret;
1400 }
1401
1402 return buf;
1403 }
1404
1405
wpa_config_write_scan_freq(const struct parse_data * data,struct wpa_ssid * ssid)1406 static char * wpa_config_write_scan_freq(const struct parse_data *data,
1407 struct wpa_ssid *ssid)
1408 {
1409 return wpa_config_write_freqs(data, ssid->scan_freq);
1410 }
1411
1412
wpa_config_write_freq_list(const struct parse_data * data,struct wpa_ssid * ssid)1413 static char * wpa_config_write_freq_list(const struct parse_data *data,
1414 struct wpa_ssid *ssid)
1415 {
1416 return wpa_config_write_freqs(data, ssid->freq_list);
1417 }
1418 #endif /* NO_CONFIG_WRITE */
1419
1420
1421 #ifdef IEEE8021X_EAPOL
wpa_config_parse_eap(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1422 static int wpa_config_parse_eap(const struct parse_data *data,
1423 struct wpa_ssid *ssid, int line,
1424 const char *value)
1425 {
1426 int last, errors = 0;
1427 char *start, *end, *buf;
1428 struct eap_method_type *methods = NULL, *tmp;
1429 size_t num_methods = 0;
1430
1431 buf = os_strdup(value);
1432 if (buf == NULL)
1433 return -1;
1434 start = buf;
1435
1436 while (*start != '\0') {
1437 while (*start == ' ' || *start == '\t')
1438 start++;
1439 if (*start == '\0')
1440 break;
1441 end = start;
1442 while (*end != ' ' && *end != '\t' && *end != '\0')
1443 end++;
1444 last = *end == '\0';
1445 *end = '\0';
1446 tmp = methods;
1447 methods = os_realloc_array(methods, num_methods + 1,
1448 sizeof(*methods));
1449 if (methods == NULL) {
1450 os_free(tmp);
1451 os_free(buf);
1452 return -1;
1453 }
1454 methods[num_methods].method = eap_peer_get_type(
1455 start, &methods[num_methods].vendor);
1456 if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1457 methods[num_methods].method == EAP_TYPE_NONE) {
1458 wpa_printf(MSG_ERROR, "Line %d: unknown EAP method "
1459 "'%s'", line, start);
1460 wpa_printf(MSG_ERROR, "You may need to add support for"
1461 " this EAP method during wpa_supplicant\n"
1462 "build time configuration.\n"
1463 "See README for more information.");
1464 errors++;
1465 } else if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1466 methods[num_methods].method == EAP_TYPE_LEAP)
1467 ssid->leap++;
1468 else
1469 ssid->non_leap++;
1470 num_methods++;
1471 if (last)
1472 break;
1473 start = end + 1;
1474 }
1475 os_free(buf);
1476
1477 tmp = methods;
1478 methods = os_realloc_array(methods, num_methods + 1, sizeof(*methods));
1479 if (methods == NULL) {
1480 os_free(tmp);
1481 return -1;
1482 }
1483 methods[num_methods].vendor = EAP_VENDOR_IETF;
1484 methods[num_methods].method = EAP_TYPE_NONE;
1485 num_methods++;
1486
1487 if (!errors && ssid->eap.eap_methods) {
1488 struct eap_method_type *prev_m;
1489 size_t i, j, prev_methods, match = 0;
1490
1491 prev_m = ssid->eap.eap_methods;
1492 for (i = 0; prev_m[i].vendor != EAP_VENDOR_IETF ||
1493 prev_m[i].method != EAP_TYPE_NONE; i++) {
1494 /* Count the methods */
1495 }
1496 prev_methods = i + 1;
1497
1498 for (i = 0; prev_methods == num_methods && i < prev_methods;
1499 i++) {
1500 for (j = 0; j < num_methods; j++) {
1501 if (prev_m[i].vendor == methods[j].vendor &&
1502 prev_m[i].method == methods[j].method) {
1503 match++;
1504 break;
1505 }
1506 }
1507 }
1508 if (match == num_methods) {
1509 os_free(methods);
1510 return 1;
1511 }
1512 }
1513 wpa_hexdump(MSG_MSGDUMP, "eap methods",
1514 (u8 *) methods, num_methods * sizeof(*methods));
1515 os_free(ssid->eap.eap_methods);
1516 ssid->eap.eap_methods = methods;
1517 return errors ? -1 : 0;
1518 }
1519
1520
1521 #ifndef NO_CONFIG_WRITE
wpa_config_write_eap(const struct parse_data * data,struct wpa_ssid * ssid)1522 static char * wpa_config_write_eap(const struct parse_data *data,
1523 struct wpa_ssid *ssid)
1524 {
1525 int i, ret;
1526 char *buf, *pos, *end;
1527 const struct eap_method_type *eap_methods = ssid->eap.eap_methods;
1528 const char *name;
1529
1530 if (eap_methods == NULL)
1531 return NULL;
1532
1533 pos = buf = os_zalloc(100);
1534 if (buf == NULL)
1535 return NULL;
1536 end = buf + 100;
1537
1538 for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF ||
1539 eap_methods[i].method != EAP_TYPE_NONE; i++) {
1540 name = eap_get_name(eap_methods[i].vendor,
1541 eap_methods[i].method);
1542 if (name) {
1543 ret = os_snprintf(pos, end - pos, "%s%s",
1544 pos == buf ? "" : " ", name);
1545 if (os_snprintf_error(end - pos, ret))
1546 break;
1547 pos += ret;
1548 }
1549 }
1550
1551 end[-1] = '\0';
1552
1553 return buf;
1554 }
1555 #endif /* NO_CONFIG_WRITE */
1556
1557
wpa_config_parse_password(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1558 static int wpa_config_parse_password(const struct parse_data *data,
1559 struct wpa_ssid *ssid, int line,
1560 const char *value)
1561 {
1562 u8 *hash;
1563
1564 if (os_strcmp(value, "NULL") == 0) {
1565 if (!ssid->eap.password)
1566 return 1; /* Already unset */
1567 wpa_printf(MSG_DEBUG, "Unset configuration string 'password'");
1568 bin_clear_free(ssid->eap.password, ssid->eap.password_len);
1569 ssid->eap.password = NULL;
1570 ssid->eap.password_len = 0;
1571 return 0;
1572 }
1573
1574 #ifdef CONFIG_EXT_PASSWORD
1575 if (os_strncmp(value, "ext:", 4) == 0) {
1576 char *name = os_strdup(value + 4);
1577 if (name == NULL)
1578 return -1;
1579 bin_clear_free(ssid->eap.password, ssid->eap.password_len);
1580 ssid->eap.password = (u8 *) name;
1581 ssid->eap.password_len = os_strlen(name);
1582 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1583 ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD;
1584 return 0;
1585 }
1586 #endif /* CONFIG_EXT_PASSWORD */
1587
1588 if (os_strncmp(value, "hash:", 5) != 0) {
1589 char *tmp;
1590 size_t res_len;
1591
1592 tmp = wpa_config_parse_string(value, &res_len);
1593 if (tmp == NULL) {
1594 wpa_printf(MSG_ERROR, "Line %d: failed to parse "
1595 "password.", line);
1596 return -1;
1597 }
1598 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
1599 (u8 *) tmp, res_len);
1600
1601 bin_clear_free(ssid->eap.password, ssid->eap.password_len);
1602 ssid->eap.password = (u8 *) tmp;
1603 ssid->eap.password_len = res_len;
1604 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1605 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1606
1607 return 0;
1608 }
1609
1610
1611 /* NtPasswordHash: hash:<32 hex digits> */
1612 if (os_strlen(value + 5) != 2 * 16) {
1613 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length "
1614 "(expected 32 hex digits)", line);
1615 return -1;
1616 }
1617
1618 hash = os_malloc(16);
1619 if (hash == NULL)
1620 return -1;
1621
1622 if (hexstr2bin(value + 5, hash, 16)) {
1623 os_free(hash);
1624 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line);
1625 return -1;
1626 }
1627
1628 wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16);
1629
1630 if (ssid->eap.password && ssid->eap.password_len == 16 &&
1631 os_memcmp(ssid->eap.password, hash, 16) == 0 &&
1632 (ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) {
1633 bin_clear_free(hash, 16);
1634 return 1;
1635 }
1636 bin_clear_free(ssid->eap.password, ssid->eap.password_len);
1637 ssid->eap.password = hash;
1638 ssid->eap.password_len = 16;
1639 ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1640 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
1641
1642 return 0;
1643 }
1644
1645
1646 #ifndef NO_CONFIG_WRITE
wpa_config_write_password(const struct parse_data * data,struct wpa_ssid * ssid)1647 static char * wpa_config_write_password(const struct parse_data *data,
1648 struct wpa_ssid *ssid)
1649 {
1650 char *buf;
1651
1652 if (ssid->eap.password == NULL)
1653 return NULL;
1654
1655 #ifdef CONFIG_EXT_PASSWORD
1656 if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) {
1657 buf = os_zalloc(4 + ssid->eap.password_len + 1);
1658 if (buf == NULL)
1659 return NULL;
1660 os_memcpy(buf, "ext:", 4);
1661 os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len);
1662 return buf;
1663 }
1664 #endif /* CONFIG_EXT_PASSWORD */
1665
1666 if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) {
1667 return wpa_config_write_string(
1668 ssid->eap.password, ssid->eap.password_len);
1669 }
1670
1671 buf = os_malloc(5 + 32 + 1);
1672 if (buf == NULL)
1673 return NULL;
1674
1675 os_memcpy(buf, "hash:", 5);
1676 wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16);
1677
1678 return buf;
1679 }
1680 #endif /* NO_CONFIG_WRITE */
1681 #endif /* IEEE8021X_EAPOL */
1682
1683
wpa_config_parse_wep_key(u8 * key,size_t * len,int line,const char * value,int idx)1684 static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line,
1685 const char *value, int idx)
1686 {
1687 char *buf, title[20];
1688 int res;
1689
1690 buf = wpa_config_parse_string(value, len);
1691 if (buf == NULL) {
1692 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.",
1693 line, idx, value);
1694 return -1;
1695 }
1696 if (*len > MAX_WEP_KEY_LEN) {
1697 wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.",
1698 line, idx, value);
1699 os_free(buf);
1700 return -1;
1701 }
1702 if (*len && *len != 5 && *len != 13 && *len != 16) {
1703 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - "
1704 "this network block will be ignored",
1705 line, (unsigned int) *len);
1706 }
1707 os_memcpy(key, buf, *len);
1708 str_clear_free(buf);
1709 res = os_snprintf(title, sizeof(title), "wep_key%d", idx);
1710 if (!os_snprintf_error(sizeof(title), res))
1711 wpa_hexdump_key(MSG_MSGDUMP, title, key, *len);
1712 return 0;
1713 }
1714
1715
wpa_config_parse_wep_key0(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1716 static int wpa_config_parse_wep_key0(const struct parse_data *data,
1717 struct wpa_ssid *ssid, int line,
1718 const char *value)
1719 {
1720 return wpa_config_parse_wep_key(ssid->wep_key[0],
1721 &ssid->wep_key_len[0], line,
1722 value, 0);
1723 }
1724
1725
wpa_config_parse_wep_key1(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1726 static int wpa_config_parse_wep_key1(const struct parse_data *data,
1727 struct wpa_ssid *ssid, int line,
1728 const char *value)
1729 {
1730 return wpa_config_parse_wep_key(ssid->wep_key[1],
1731 &ssid->wep_key_len[1], line,
1732 value, 1);
1733 }
1734
1735
wpa_config_parse_wep_key2(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1736 static int wpa_config_parse_wep_key2(const struct parse_data *data,
1737 struct wpa_ssid *ssid, int line,
1738 const char *value)
1739 {
1740 return wpa_config_parse_wep_key(ssid->wep_key[2],
1741 &ssid->wep_key_len[2], line,
1742 value, 2);
1743 }
1744
1745
wpa_config_parse_wep_key3(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1746 static int wpa_config_parse_wep_key3(const struct parse_data *data,
1747 struct wpa_ssid *ssid, int line,
1748 const char *value)
1749 {
1750 return wpa_config_parse_wep_key(ssid->wep_key[3],
1751 &ssid->wep_key_len[3], line,
1752 value, 3);
1753 }
1754
1755
1756 #ifndef NO_CONFIG_WRITE
wpa_config_write_wep_key(struct wpa_ssid * ssid,int idx)1757 static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx)
1758 {
1759 if (ssid->wep_key_len[idx] == 0)
1760 return NULL;
1761 return wpa_config_write_string(ssid->wep_key[idx],
1762 ssid->wep_key_len[idx]);
1763 }
1764
1765
wpa_config_write_wep_key0(const struct parse_data * data,struct wpa_ssid * ssid)1766 static char * wpa_config_write_wep_key0(const struct parse_data *data,
1767 struct wpa_ssid *ssid)
1768 {
1769 return wpa_config_write_wep_key(ssid, 0);
1770 }
1771
1772
wpa_config_write_wep_key1(const struct parse_data * data,struct wpa_ssid * ssid)1773 static char * wpa_config_write_wep_key1(const struct parse_data *data,
1774 struct wpa_ssid *ssid)
1775 {
1776 return wpa_config_write_wep_key(ssid, 1);
1777 }
1778
1779
wpa_config_write_wep_key2(const struct parse_data * data,struct wpa_ssid * ssid)1780 static char * wpa_config_write_wep_key2(const struct parse_data *data,
1781 struct wpa_ssid *ssid)
1782 {
1783 return wpa_config_write_wep_key(ssid, 2);
1784 }
1785
1786
wpa_config_write_wep_key3(const struct parse_data * data,struct wpa_ssid * ssid)1787 static char * wpa_config_write_wep_key3(const struct parse_data *data,
1788 struct wpa_ssid *ssid)
1789 {
1790 return wpa_config_write_wep_key(ssid, 3);
1791 }
1792 #endif /* NO_CONFIG_WRITE */
1793
1794
1795 #ifdef CONFIG_P2P
1796
wpa_config_parse_go_p2p_dev_addr(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1797 static int wpa_config_parse_go_p2p_dev_addr(const struct parse_data *data,
1798 struct wpa_ssid *ssid, int line,
1799 const char *value)
1800 {
1801 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
1802 os_strcmp(value, "any") == 0) {
1803 os_memset(ssid->go_p2p_dev_addr, 0, ETH_ALEN);
1804 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address any");
1805 return 0;
1806 }
1807 if (hwaddr_aton(value, ssid->go_p2p_dev_addr)) {
1808 wpa_printf(MSG_ERROR, "Line %d: Invalid GO P2P Device Address '%s'.",
1809 line, value);
1810 return -1;
1811 }
1812 ssid->bssid_set = 1;
1813 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address " MACSTR,
1814 MAC2STR(ssid->go_p2p_dev_addr));
1815 return 0;
1816 }
1817
1818
1819 #ifndef NO_CONFIG_WRITE
wpa_config_write_go_p2p_dev_addr(const struct parse_data * data,struct wpa_ssid * ssid)1820 static char * wpa_config_write_go_p2p_dev_addr(const struct parse_data *data,
1821 struct wpa_ssid *ssid)
1822 {
1823 char *value;
1824 int res;
1825
1826 if (is_zero_ether_addr(ssid->go_p2p_dev_addr))
1827 return NULL;
1828
1829 value = os_malloc(20);
1830 if (value == NULL)
1831 return NULL;
1832 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->go_p2p_dev_addr));
1833 if (os_snprintf_error(20, res)) {
1834 os_free(value);
1835 return NULL;
1836 }
1837 value[20 - 1] = '\0';
1838 return value;
1839 }
1840 #endif /* NO_CONFIG_WRITE */
1841
1842
wpa_config_parse_p2p_client_list(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1843 static int wpa_config_parse_p2p_client_list(const struct parse_data *data,
1844 struct wpa_ssid *ssid, int line,
1845 const char *value)
1846 {
1847 return wpa_config_parse_addr_list(data, line, value,
1848 &ssid->p2p_client_list,
1849 &ssid->num_p2p_clients,
1850 "p2p_client_list", 0, 0);
1851 }
1852
1853
1854 #ifndef NO_CONFIG_WRITE
wpa_config_write_p2p_client_list(const struct parse_data * data,struct wpa_ssid * ssid)1855 static char * wpa_config_write_p2p_client_list(const struct parse_data *data,
1856 struct wpa_ssid *ssid)
1857 {
1858 return wpa_config_write_addr_list(data, ssid->p2p_client_list,
1859 ssid->num_p2p_clients,
1860 "p2p_client_list");
1861 }
1862 #endif /* NO_CONFIG_WRITE */
1863
1864
wpa_config_parse_psk_list(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1865 static int wpa_config_parse_psk_list(const struct parse_data *data,
1866 struct wpa_ssid *ssid, int line,
1867 const char *value)
1868 {
1869 struct psk_list_entry *p;
1870 const char *pos;
1871
1872 p = os_zalloc(sizeof(*p));
1873 if (p == NULL)
1874 return -1;
1875
1876 pos = value;
1877 if (os_strncmp(pos, "P2P-", 4) == 0) {
1878 p->p2p = 1;
1879 pos += 4;
1880 }
1881
1882 if (hwaddr_aton(pos, p->addr)) {
1883 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list address '%s'",
1884 line, pos);
1885 os_free(p);
1886 return -1;
1887 }
1888 pos += 17;
1889 if (*pos != '-') {
1890 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list '%s'",
1891 line, pos);
1892 os_free(p);
1893 return -1;
1894 }
1895 pos++;
1896
1897 if (hexstr2bin(pos, p->psk, PMK_LEN) || pos[PMK_LEN * 2] != '\0') {
1898 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list PSK '%s'",
1899 line, pos);
1900 os_free(p);
1901 return -1;
1902 }
1903
1904 dl_list_add(&ssid->psk_list, &p->list);
1905
1906 return 0;
1907 }
1908
1909
1910 #ifndef NO_CONFIG_WRITE
wpa_config_write_psk_list(const struct parse_data * data,struct wpa_ssid * ssid)1911 static char * wpa_config_write_psk_list(const struct parse_data *data,
1912 struct wpa_ssid *ssid)
1913 {
1914 return NULL;
1915 }
1916 #endif /* NO_CONFIG_WRITE */
1917
1918 #endif /* CONFIG_P2P */
1919
1920
1921 #ifdef CONFIG_MESH
1922
wpa_config_parse_mesh_basic_rates(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1923 static int wpa_config_parse_mesh_basic_rates(const struct parse_data *data,
1924 struct wpa_ssid *ssid, int line,
1925 const char *value)
1926 {
1927 int *rates = wpa_config_parse_int_array(value);
1928
1929 if (rates == NULL) {
1930 wpa_printf(MSG_ERROR, "Line %d: Invalid mesh_basic_rates '%s'",
1931 line, value);
1932 return -1;
1933 }
1934 if (rates[0] == 0) {
1935 os_free(rates);
1936 rates = NULL;
1937 }
1938
1939 os_free(ssid->mesh_basic_rates);
1940 ssid->mesh_basic_rates = rates;
1941
1942 return 0;
1943 }
1944
1945
1946 #ifndef NO_CONFIG_WRITE
1947
wpa_config_write_mesh_basic_rates(const struct parse_data * data,struct wpa_ssid * ssid)1948 static char * wpa_config_write_mesh_basic_rates(const struct parse_data *data,
1949 struct wpa_ssid *ssid)
1950 {
1951 return wpa_config_write_freqs(data, ssid->mesh_basic_rates);
1952 }
1953
1954 #endif /* NO_CONFIG_WRITE */
1955
1956 #endif /* CONFIG_MESH */
1957
1958
1959 #ifdef CONFIG_MACSEC
1960
wpa_config_parse_mka_cak(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1961 static int wpa_config_parse_mka_cak(const struct parse_data *data,
1962 struct wpa_ssid *ssid, int line,
1963 const char *value)
1964 {
1965 if (hexstr2bin(value, ssid->mka_cak, MACSEC_CAK_LEN) ||
1966 value[MACSEC_CAK_LEN * 2] != '\0') {
1967 wpa_printf(MSG_ERROR, "Line %d: Invalid MKA-CAK '%s'.",
1968 line, value);
1969 return -1;
1970 }
1971
1972 ssid->mka_psk_set |= MKA_PSK_SET_CAK;
1973
1974 wpa_hexdump_key(MSG_MSGDUMP, "MKA-CAK", ssid->mka_cak, MACSEC_CAK_LEN);
1975 return 0;
1976 }
1977
1978
wpa_config_parse_mka_ckn(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)1979 static int wpa_config_parse_mka_ckn(const struct parse_data *data,
1980 struct wpa_ssid *ssid, int line,
1981 const char *value)
1982 {
1983 if (hexstr2bin(value, ssid->mka_ckn, MACSEC_CKN_LEN) ||
1984 value[MACSEC_CKN_LEN * 2] != '\0') {
1985 wpa_printf(MSG_ERROR, "Line %d: Invalid MKA-CKN '%s'.",
1986 line, value);
1987 return -1;
1988 }
1989
1990 ssid->mka_psk_set |= MKA_PSK_SET_CKN;
1991
1992 wpa_hexdump_key(MSG_MSGDUMP, "MKA-CKN", ssid->mka_ckn, MACSEC_CKN_LEN);
1993 return 0;
1994 }
1995
1996
1997 #ifndef NO_CONFIG_WRITE
1998
wpa_config_write_mka_cak(const struct parse_data * data,struct wpa_ssid * ssid)1999 static char * wpa_config_write_mka_cak(const struct parse_data *data,
2000 struct wpa_ssid *ssid)
2001 {
2002 if (!(ssid->mka_psk_set & MKA_PSK_SET_CAK))
2003 return NULL;
2004
2005 return wpa_config_write_string_hex(ssid->mka_cak, MACSEC_CAK_LEN);
2006 }
2007
2008
wpa_config_write_mka_ckn(const struct parse_data * data,struct wpa_ssid * ssid)2009 static char * wpa_config_write_mka_ckn(const struct parse_data *data,
2010 struct wpa_ssid *ssid)
2011 {
2012 if (!(ssid->mka_psk_set & MKA_PSK_SET_CKN))
2013 return NULL;
2014 return wpa_config_write_string_hex(ssid->mka_ckn, MACSEC_CKN_LEN);
2015 }
2016
2017 #endif /* NO_CONFIG_WRITE */
2018
2019 #endif /* CONFIG_MACSEC */
2020
2021
wpa_config_parse_peerkey(const struct parse_data * data,struct wpa_ssid * ssid,int line,const char * value)2022 static int wpa_config_parse_peerkey(const struct parse_data *data,
2023 struct wpa_ssid *ssid, int line,
2024 const char *value)
2025 {
2026 wpa_printf(MSG_INFO, "NOTE: Obsolete peerkey parameter ignored");
2027 return 0;
2028 }
2029
2030
2031 #ifndef NO_CONFIG_WRITE
wpa_config_write_peerkey(const struct parse_data * data,struct wpa_ssid * ssid)2032 static char * wpa_config_write_peerkey(const struct parse_data *data,
2033 struct wpa_ssid *ssid)
2034 {
2035 return NULL;
2036 }
2037 #endif /* NO_CONFIG_WRITE */
2038
2039
2040 /* Helper macros for network block parser */
2041
2042 #ifdef OFFSET
2043 #undef OFFSET
2044 #endif /* OFFSET */
2045 /* OFFSET: Get offset of a variable within the wpa_ssid structure */
2046 #define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v)
2047
2048 /* STR: Define a string variable for an ASCII string; f = field name */
2049 #ifdef NO_CONFIG_WRITE
2050 #define _STR(f) #f, wpa_config_parse_str, OFFSET(f)
2051 #define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f)
2052 #else /* NO_CONFIG_WRITE */
2053 #define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f)
2054 #define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f)
2055 #endif /* NO_CONFIG_WRITE */
2056 #define STR(f) _STR(f), NULL, NULL, NULL, 0
2057 #define STRe(f) _STRe(f), NULL, NULL, NULL, 0
2058 #define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1
2059 #define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1
2060
2061 /* STR_LEN: Define a string variable with a separate variable for storing the
2062 * data length. Unlike STR(), this can be used to store arbitrary binary data
2063 * (i.e., even nul termination character). */
2064 #define _STR_LEN(f) _STR(f), OFFSET(f ## _len)
2065 #define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len)
2066 #define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0
2067 #define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0
2068 #define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1
2069
2070 /* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length
2071 * explicitly specified. */
2072 #define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max)
2073 #define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0
2074 #define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1
2075
2076 #ifdef NO_CONFIG_WRITE
2077 #define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0
2078 #define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0
2079 #else /* NO_CONFIG_WRITE */
2080 #define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \
2081 OFFSET(f), (void *) 0
2082 #define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \
2083 OFFSET(eap.f), (void *) 0
2084 #endif /* NO_CONFIG_WRITE */
2085
2086 /* INT: Define an integer variable */
2087 #define INT(f) _INT(f), NULL, NULL, 0
2088 #define INTe(f) _INTe(f), NULL, NULL, 0
2089
2090 /* INT_RANGE: Define an integer variable with allowed value range */
2091 #define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0
2092
2093 /* FUNC: Define a configuration variable that uses a custom function for
2094 * parsing and writing the value. */
2095 #ifdef NO_CONFIG_WRITE
2096 #define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL
2097 #else /* NO_CONFIG_WRITE */
2098 #define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \
2099 NULL, NULL, NULL, NULL
2100 #endif /* NO_CONFIG_WRITE */
2101 #define FUNC(f) _FUNC(f), 0
2102 #define FUNC_KEY(f) _FUNC(f), 1
2103
2104 /*
2105 * Table of network configuration variables. This table is used to parse each
2106 * network configuration variable, e.g., each line in wpa_supplicant.conf file
2107 * that is inside a network block.
2108 *
2109 * This table is generated using the helper macros defined above and with
2110 * generous help from the C pre-processor. The field name is stored as a string
2111 * into .name and for STR and INT types, the offset of the target buffer within
2112 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar
2113 * offset to the field containing the length of the configuration variable.
2114 * .param3 and .param4 can be used to mark the allowed range (length for STR
2115 * and value for INT).
2116 *
2117 * For each configuration line in wpa_supplicant.conf, the parser goes through
2118 * this table and select the entry that matches with the field name. The parser
2119 * function (.parser) is then called to parse the actual value of the field.
2120 *
2121 * This kind of mechanism makes it easy to add new configuration parameters,
2122 * since only one line needs to be added into this table and into the
2123 * struct wpa_ssid definition if the new variable is either a string or
2124 * integer. More complex types will need to use their own parser and writer
2125 * functions.
2126 */
2127 static const struct parse_data ssid_fields[] = {
2128 { STR_RANGE(ssid, 0, SSID_MAX_LEN) },
2129 { INT_RANGE(scan_ssid, 0, 1) },
2130 { FUNC(bssid) },
2131 { FUNC(bssid_hint) },
2132 { FUNC(bssid_blacklist) },
2133 { FUNC(bssid_whitelist) },
2134 { FUNC_KEY(psk) },
2135 { INT(mem_only_psk) },
2136 { STR_KEY(sae_password) },
2137 { FUNC(proto) },
2138 { FUNC(key_mgmt) },
2139 { INT(bg_scan_period) },
2140 { FUNC(pairwise) },
2141 { FUNC(group) },
2142 { FUNC(group_mgmt) },
2143 { FUNC(auth_alg) },
2144 { FUNC(scan_freq) },
2145 { FUNC(freq_list) },
2146 { INT_RANGE(ht, 0, 1) },
2147 { INT_RANGE(vht, 0, 1) },
2148 { INT_RANGE(ht40, -1, 1) },
2149 { INT_RANGE(max_oper_chwidth, VHT_CHANWIDTH_USE_HT,
2150 VHT_CHANWIDTH_80P80MHZ) },
2151 { INT(vht_center_freq1) },
2152 { INT(vht_center_freq2) },
2153 #ifdef IEEE8021X_EAPOL
2154 { FUNC(eap) },
2155 { STR_LENe(identity) },
2156 { STR_LENe(anonymous_identity) },
2157 { STR_LENe(imsi_identity) },
2158 { FUNC_KEY(password) },
2159 { STRe(ca_cert) },
2160 { STRe(ca_path) },
2161 { STRe(client_cert) },
2162 { STRe(private_key) },
2163 { STR_KEYe(private_key_passwd) },
2164 { STRe(dh_file) },
2165 { STRe(subject_match) },
2166 { STRe(altsubject_match) },
2167 { STRe(domain_suffix_match) },
2168 { STRe(domain_match) },
2169 { STRe(ca_cert2) },
2170 { STRe(ca_path2) },
2171 { STRe(client_cert2) },
2172 { STRe(private_key2) },
2173 { STR_KEYe(private_key2_passwd) },
2174 { STRe(dh_file2) },
2175 { STRe(subject_match2) },
2176 { STRe(altsubject_match2) },
2177 { STRe(domain_suffix_match2) },
2178 { STRe(domain_match2) },
2179 { STRe(phase1) },
2180 { STRe(phase2) },
2181 { STRe(pcsc) },
2182 { STR_KEYe(pin) },
2183 { STRe(engine_id) },
2184 { STRe(key_id) },
2185 { STRe(cert_id) },
2186 { STRe(ca_cert_id) },
2187 { STR_KEYe(pin2) },
2188 { STRe(engine2_id) },
2189 { STRe(key2_id) },
2190 { STRe(cert2_id) },
2191 { STRe(ca_cert2_id) },
2192 { INTe(engine) },
2193 { INTe(engine2) },
2194 { INT(eapol_flags) },
2195 { INTe(sim_num) },
2196 { STRe(openssl_ciphers) },
2197 { INTe(erp) },
2198 #endif /* IEEE8021X_EAPOL */
2199 { FUNC_KEY(wep_key0) },
2200 { FUNC_KEY(wep_key1) },
2201 { FUNC_KEY(wep_key2) },
2202 { FUNC_KEY(wep_key3) },
2203 { INT(wep_tx_keyidx) },
2204 { INT(priority) },
2205 #ifdef IEEE8021X_EAPOL
2206 { INT(eap_workaround) },
2207 { STRe(pac_file) },
2208 { INTe(fragment_size) },
2209 { INTe(ocsp) },
2210 #endif /* IEEE8021X_EAPOL */
2211 #ifdef CONFIG_MESH
2212 { INT_RANGE(mode, 0, 5) },
2213 { INT_RANGE(no_auto_peer, 0, 1) },
2214 { INT_RANGE(mesh_rssi_threshold, -255, 1) },
2215 #else /* CONFIG_MESH */
2216 { INT_RANGE(mode, 0, 4) },
2217 #endif /* CONFIG_MESH */
2218 { INT_RANGE(proactive_key_caching, 0, 1) },
2219 { INT_RANGE(disabled, 0, 2) },
2220 { STR(id_str) },
2221 #ifdef CONFIG_IEEE80211W
2222 { INT_RANGE(ieee80211w, 0, 2) },
2223 #endif /* CONFIG_IEEE80211W */
2224 { FUNC(peerkey) /* obsolete - removed */ },
2225 { INT_RANGE(mixed_cell, 0, 1) },
2226 { INT_RANGE(frequency, 0, 65000) },
2227 { INT_RANGE(fixed_freq, 0, 1) },
2228 #ifdef CONFIG_ACS
2229 { INT_RANGE(acs, 0, 1) },
2230 #endif /* CONFIG_ACS */
2231 #ifdef CONFIG_MESH
2232 { FUNC(mesh_basic_rates) },
2233 { INT(dot11MeshMaxRetries) },
2234 { INT(dot11MeshRetryTimeout) },
2235 { INT(dot11MeshConfirmTimeout) },
2236 { INT(dot11MeshHoldingTimeout) },
2237 #endif /* CONFIG_MESH */
2238 { INT(wpa_ptk_rekey) },
2239 { INT(group_rekey) },
2240 { STR(bgscan) },
2241 { INT_RANGE(ignore_broadcast_ssid, 0, 2) },
2242 #ifdef CONFIG_P2P
2243 { FUNC(go_p2p_dev_addr) },
2244 { FUNC(p2p_client_list) },
2245 { FUNC(psk_list) },
2246 #endif /* CONFIG_P2P */
2247 #ifdef CONFIG_HT_OVERRIDES
2248 { INT_RANGE(disable_ht, 0, 1) },
2249 { INT_RANGE(disable_ht40, -1, 1) },
2250 { INT_RANGE(disable_sgi, 0, 1) },
2251 { INT_RANGE(disable_ldpc, 0, 1) },
2252 { INT_RANGE(ht40_intolerant, 0, 1) },
2253 { INT_RANGE(disable_max_amsdu, -1, 1) },
2254 { INT_RANGE(ampdu_factor, -1, 3) },
2255 { INT_RANGE(ampdu_density, -1, 7) },
2256 { STR(ht_mcs) },
2257 #endif /* CONFIG_HT_OVERRIDES */
2258 #ifdef CONFIG_VHT_OVERRIDES
2259 { INT_RANGE(disable_vht, 0, 1) },
2260 { INT(vht_capa) },
2261 { INT(vht_capa_mask) },
2262 { INT_RANGE(vht_rx_mcs_nss_1, -1, 3) },
2263 { INT_RANGE(vht_rx_mcs_nss_2, -1, 3) },
2264 { INT_RANGE(vht_rx_mcs_nss_3, -1, 3) },
2265 { INT_RANGE(vht_rx_mcs_nss_4, -1, 3) },
2266 { INT_RANGE(vht_rx_mcs_nss_5, -1, 3) },
2267 { INT_RANGE(vht_rx_mcs_nss_6, -1, 3) },
2268 { INT_RANGE(vht_rx_mcs_nss_7, -1, 3) },
2269 { INT_RANGE(vht_rx_mcs_nss_8, -1, 3) },
2270 { INT_RANGE(vht_tx_mcs_nss_1, -1, 3) },
2271 { INT_RANGE(vht_tx_mcs_nss_2, -1, 3) },
2272 { INT_RANGE(vht_tx_mcs_nss_3, -1, 3) },
2273 { INT_RANGE(vht_tx_mcs_nss_4, -1, 3) },
2274 { INT_RANGE(vht_tx_mcs_nss_5, -1, 3) },
2275 { INT_RANGE(vht_tx_mcs_nss_6, -1, 3) },
2276 { INT_RANGE(vht_tx_mcs_nss_7, -1, 3) },
2277 { INT_RANGE(vht_tx_mcs_nss_8, -1, 3) },
2278 #endif /* CONFIG_VHT_OVERRIDES */
2279 { INT(ap_max_inactivity) },
2280 { INT(dtim_period) },
2281 { INT(beacon_int) },
2282 #ifdef CONFIG_MACSEC
2283 { INT_RANGE(macsec_policy, 0, 1) },
2284 { INT_RANGE(macsec_integ_only, 0, 1) },
2285 { INT_RANGE(macsec_port, 1, 65534) },
2286 { INT_RANGE(mka_priority, 0, 255) },
2287 { FUNC_KEY(mka_cak) },
2288 { FUNC_KEY(mka_ckn) },
2289 #endif /* CONFIG_MACSEC */
2290 #ifdef CONFIG_HS20
2291 { INT(update_identifier) },
2292 #endif /* CONFIG_HS20 */
2293 { INT_RANGE(mac_addr, 0, 2) },
2294 { INT_RANGE(pbss, 0, 2) },
2295 { INT_RANGE(wps_disabled, 0, 1) },
2296 { INT_RANGE(fils_dh_group, 0, 65535) },
2297 #ifdef CONFIG_DPP
2298 { STR(dpp_connector) },
2299 { STR_LEN(dpp_netaccesskey) },
2300 { INT(dpp_netaccesskey_expiry) },
2301 { STR_LEN(dpp_csign) },
2302 #endif /* CONFIG_DPP */
2303 { INT_RANGE(owe_group, 0, 65535) },
2304 };
2305
2306 #undef OFFSET
2307 #undef _STR
2308 #undef STR
2309 #undef STR_KEY
2310 #undef _STR_LEN
2311 #undef STR_LEN
2312 #undef STR_LEN_KEY
2313 #undef _STR_RANGE
2314 #undef STR_RANGE
2315 #undef STR_RANGE_KEY
2316 #undef _INT
2317 #undef INT
2318 #undef INT_RANGE
2319 #undef _FUNC
2320 #undef FUNC
2321 #undef FUNC_KEY
2322 #define NUM_SSID_FIELDS ARRAY_SIZE(ssid_fields)
2323
2324
2325 /**
2326 * wpa_config_add_prio_network - Add a network to priority lists
2327 * @config: Configuration data from wpa_config_read()
2328 * @ssid: Pointer to the network configuration to be added to the list
2329 * Returns: 0 on success, -1 on failure
2330 *
2331 * This function is used to add a network block to the priority list of
2332 * networks. This must be called for each network when reading in the full
2333 * configuration. In addition, this can be used indirectly when updating
2334 * priorities by calling wpa_config_update_prio_list().
2335 */
wpa_config_add_prio_network(struct wpa_config * config,struct wpa_ssid * ssid)2336 int wpa_config_add_prio_network(struct wpa_config *config,
2337 struct wpa_ssid *ssid)
2338 {
2339 int prio;
2340 struct wpa_ssid *prev, **nlist;
2341
2342 /*
2343 * Add to an existing priority list if one is available for the
2344 * configured priority level for this network.
2345 */
2346 for (prio = 0; prio < config->num_prio; prio++) {
2347 prev = config->pssid[prio];
2348 if (prev->priority == ssid->priority) {
2349 while (prev->pnext)
2350 prev = prev->pnext;
2351 prev->pnext = ssid;
2352 return 0;
2353 }
2354 }
2355
2356 /* First network for this priority - add a new priority list */
2357 nlist = os_realloc_array(config->pssid, config->num_prio + 1,
2358 sizeof(struct wpa_ssid *));
2359 if (nlist == NULL)
2360 return -1;
2361
2362 for (prio = 0; prio < config->num_prio; prio++) {
2363 if (nlist[prio]->priority < ssid->priority) {
2364 os_memmove(&nlist[prio + 1], &nlist[prio],
2365 (config->num_prio - prio) *
2366 sizeof(struct wpa_ssid *));
2367 break;
2368 }
2369 }
2370
2371 nlist[prio] = ssid;
2372 config->num_prio++;
2373 config->pssid = nlist;
2374
2375 return 0;
2376 }
2377
2378
2379 /**
2380 * wpa_config_update_prio_list - Update network priority list
2381 * @config: Configuration data from wpa_config_read()
2382 * Returns: 0 on success, -1 on failure
2383 *
2384 * This function is called to update the priority list of networks in the
2385 * configuration when a network is being added or removed. This is also called
2386 * if a priority for a network is changed.
2387 */
wpa_config_update_prio_list(struct wpa_config * config)2388 int wpa_config_update_prio_list(struct wpa_config *config)
2389 {
2390 struct wpa_ssid *ssid;
2391 int ret = 0;
2392
2393 os_free(config->pssid);
2394 config->pssid = NULL;
2395 config->num_prio = 0;
2396
2397 ssid = config->ssid;
2398 while (ssid) {
2399 ssid->pnext = NULL;
2400 if (wpa_config_add_prio_network(config, ssid) < 0)
2401 ret = -1;
2402 ssid = ssid->next;
2403 }
2404
2405 return ret;
2406 }
2407
2408
2409 #ifdef IEEE8021X_EAPOL
eap_peer_config_free(struct eap_peer_config * eap)2410 static void eap_peer_config_free(struct eap_peer_config *eap)
2411 {
2412 os_free(eap->eap_methods);
2413 bin_clear_free(eap->identity, eap->identity_len);
2414 os_free(eap->anonymous_identity);
2415 os_free(eap->imsi_identity);
2416 bin_clear_free(eap->password, eap->password_len);
2417 os_free(eap->ca_cert);
2418 os_free(eap->ca_path);
2419 os_free(eap->client_cert);
2420 os_free(eap->private_key);
2421 str_clear_free(eap->private_key_passwd);
2422 os_free(eap->dh_file);
2423 os_free(eap->subject_match);
2424 os_free(eap->altsubject_match);
2425 os_free(eap->domain_suffix_match);
2426 os_free(eap->domain_match);
2427 os_free(eap->ca_cert2);
2428 os_free(eap->ca_path2);
2429 os_free(eap->client_cert2);
2430 os_free(eap->private_key2);
2431 str_clear_free(eap->private_key2_passwd);
2432 os_free(eap->dh_file2);
2433 os_free(eap->subject_match2);
2434 os_free(eap->altsubject_match2);
2435 os_free(eap->domain_suffix_match2);
2436 os_free(eap->domain_match2);
2437 os_free(eap->phase1);
2438 os_free(eap->phase2);
2439 os_free(eap->pcsc);
2440 str_clear_free(eap->pin);
2441 os_free(eap->engine_id);
2442 os_free(eap->key_id);
2443 os_free(eap->cert_id);
2444 os_free(eap->ca_cert_id);
2445 os_free(eap->key2_id);
2446 os_free(eap->cert2_id);
2447 os_free(eap->ca_cert2_id);
2448 str_clear_free(eap->pin2);
2449 os_free(eap->engine2_id);
2450 os_free(eap->otp);
2451 os_free(eap->pending_req_otp);
2452 os_free(eap->pac_file);
2453 bin_clear_free(eap->new_password, eap->new_password_len);
2454 str_clear_free(eap->external_sim_resp);
2455 os_free(eap->openssl_ciphers);
2456 }
2457 #endif /* IEEE8021X_EAPOL */
2458
2459
2460 /**
2461 * wpa_config_free_ssid - Free network/ssid configuration data
2462 * @ssid: Configuration data for the network
2463 *
2464 * This function frees all resources allocated for the network configuration
2465 * data.
2466 */
wpa_config_free_ssid(struct wpa_ssid * ssid)2467 void wpa_config_free_ssid(struct wpa_ssid *ssid)
2468 {
2469 struct psk_list_entry *psk;
2470
2471 os_free(ssid->ssid);
2472 str_clear_free(ssid->passphrase);
2473 os_free(ssid->ext_psk);
2474 str_clear_free(ssid->sae_password);
2475 #ifdef IEEE8021X_EAPOL
2476 eap_peer_config_free(&ssid->eap);
2477 #endif /* IEEE8021X_EAPOL */
2478 os_free(ssid->id_str);
2479 os_free(ssid->scan_freq);
2480 os_free(ssid->freq_list);
2481 os_free(ssid->bgscan);
2482 os_free(ssid->p2p_client_list);
2483 os_free(ssid->bssid_blacklist);
2484 os_free(ssid->bssid_whitelist);
2485 #ifdef CONFIG_HT_OVERRIDES
2486 os_free(ssid->ht_mcs);
2487 #endif /* CONFIG_HT_OVERRIDES */
2488 #ifdef CONFIG_MESH
2489 os_free(ssid->mesh_basic_rates);
2490 #endif /* CONFIG_MESH */
2491 os_free(ssid->dpp_connector);
2492 bin_clear_free(ssid->dpp_netaccesskey, ssid->dpp_netaccesskey_len);
2493 os_free(ssid->dpp_csign);
2494 while ((psk = dl_list_first(&ssid->psk_list, struct psk_list_entry,
2495 list))) {
2496 dl_list_del(&psk->list);
2497 bin_clear_free(psk, sizeof(*psk));
2498 }
2499 bin_clear_free(ssid, sizeof(*ssid));
2500 }
2501
2502
wpa_config_free_cred(struct wpa_cred * cred)2503 void wpa_config_free_cred(struct wpa_cred *cred)
2504 {
2505 size_t i;
2506
2507 os_free(cred->realm);
2508 str_clear_free(cred->username);
2509 str_clear_free(cred->password);
2510 os_free(cred->ca_cert);
2511 os_free(cred->client_cert);
2512 os_free(cred->private_key);
2513 str_clear_free(cred->private_key_passwd);
2514 os_free(cred->imsi);
2515 str_clear_free(cred->milenage);
2516 for (i = 0; i < cred->num_domain; i++)
2517 os_free(cred->domain[i]);
2518 os_free(cred->domain);
2519 os_free(cred->domain_suffix_match);
2520 os_free(cred->eap_method);
2521 os_free(cred->phase1);
2522 os_free(cred->phase2);
2523 os_free(cred->excluded_ssid);
2524 os_free(cred->roaming_partner);
2525 os_free(cred->provisioning_sp);
2526 for (i = 0; i < cred->num_req_conn_capab; i++)
2527 os_free(cred->req_conn_capab_port[i]);
2528 os_free(cred->req_conn_capab_port);
2529 os_free(cred->req_conn_capab_proto);
2530 os_free(cred);
2531 }
2532
2533
wpa_config_flush_blobs(struct wpa_config * config)2534 void wpa_config_flush_blobs(struct wpa_config *config)
2535 {
2536 #ifndef CONFIG_NO_CONFIG_BLOBS
2537 struct wpa_config_blob *blob, *prev;
2538
2539 blob = config->blobs;
2540 config->blobs = NULL;
2541 while (blob) {
2542 prev = blob;
2543 blob = blob->next;
2544 wpa_config_free_blob(prev);
2545 }
2546 #endif /* CONFIG_NO_CONFIG_BLOBS */
2547 }
2548
2549
2550 /**
2551 * wpa_config_free - Free configuration data
2552 * @config: Configuration data from wpa_config_read()
2553 *
2554 * This function frees all resources allocated for the configuration data by
2555 * wpa_config_read().
2556 */
wpa_config_free(struct wpa_config * config)2557 void wpa_config_free(struct wpa_config *config)
2558 {
2559 struct wpa_ssid *ssid, *prev = NULL;
2560 struct wpa_cred *cred, *cprev;
2561 int i;
2562
2563 ssid = config->ssid;
2564 while (ssid) {
2565 prev = ssid;
2566 ssid = ssid->next;
2567 wpa_config_free_ssid(prev);
2568 }
2569
2570 cred = config->cred;
2571 while (cred) {
2572 cprev = cred;
2573 cred = cred->next;
2574 wpa_config_free_cred(cprev);
2575 }
2576
2577 wpa_config_flush_blobs(config);
2578
2579 wpabuf_free(config->wps_vendor_ext_m1);
2580 for (i = 0; i < MAX_WPS_VENDOR_EXT; i++)
2581 wpabuf_free(config->wps_vendor_ext[i]);
2582 os_free(config->ctrl_interface);
2583 os_free(config->ctrl_interface_group);
2584 os_free(config->opensc_engine_path);
2585 os_free(config->pkcs11_engine_path);
2586 os_free(config->pkcs11_module_path);
2587 os_free(config->openssl_ciphers);
2588 os_free(config->pcsc_reader);
2589 str_clear_free(config->pcsc_pin);
2590 os_free(config->driver_param);
2591 os_free(config->device_name);
2592 os_free(config->manufacturer);
2593 os_free(config->model_name);
2594 os_free(config->model_number);
2595 os_free(config->serial_number);
2596 os_free(config->config_methods);
2597 os_free(config->p2p_ssid_postfix);
2598 os_free(config->pssid);
2599 os_free(config->p2p_pref_chan);
2600 os_free(config->p2p_no_go_freq.range);
2601 os_free(config->autoscan);
2602 os_free(config->freq_list);
2603 wpabuf_free(config->wps_nfc_dh_pubkey);
2604 wpabuf_free(config->wps_nfc_dh_privkey);
2605 wpabuf_free(config->wps_nfc_dev_pw);
2606 os_free(config->ext_password_backend);
2607 os_free(config->sae_groups);
2608 wpabuf_free(config->ap_vendor_elements);
2609 os_free(config->osu_dir);
2610 os_free(config->bgscan);
2611 os_free(config->wowlan_triggers);
2612 os_free(config->fst_group_id);
2613 os_free(config->sched_scan_plans);
2614 #ifdef CONFIG_MBO
2615 os_free(config->non_pref_chan);
2616 #endif /* CONFIG_MBO */
2617
2618 os_free(config);
2619 }
2620
2621
2622 /**
2623 * wpa_config_foreach_network - Iterate over each configured network
2624 * @config: Configuration data from wpa_config_read()
2625 * @func: Callback function to process each network
2626 * @arg: Opaque argument to pass to callback function
2627 *
2628 * Iterate over the set of configured networks calling the specified
2629 * function for each item. We guard against callbacks removing the
2630 * supplied network.
2631 */
wpa_config_foreach_network(struct wpa_config * config,void (* func)(void *,struct wpa_ssid *),void * arg)2632 void wpa_config_foreach_network(struct wpa_config *config,
2633 void (*func)(void *, struct wpa_ssid *),
2634 void *arg)
2635 {
2636 struct wpa_ssid *ssid, *next;
2637
2638 ssid = config->ssid;
2639 while (ssid) {
2640 next = ssid->next;
2641 func(arg, ssid);
2642 ssid = next;
2643 }
2644 }
2645
2646
2647 /**
2648 * wpa_config_get_network - Get configured network based on id
2649 * @config: Configuration data from wpa_config_read()
2650 * @id: Unique network id to search for
2651 * Returns: Network configuration or %NULL if not found
2652 */
wpa_config_get_network(struct wpa_config * config,int id)2653 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id)
2654 {
2655 struct wpa_ssid *ssid;
2656
2657 ssid = config->ssid;
2658 while (ssid) {
2659 if (id == ssid->id)
2660 break;
2661 ssid = ssid->next;
2662 }
2663
2664 return ssid;
2665 }
2666
2667
2668 /**
2669 * wpa_config_add_network - Add a new network with empty configuration
2670 * @config: Configuration data from wpa_config_read()
2671 * Returns: The new network configuration or %NULL if operation failed
2672 */
wpa_config_add_network(struct wpa_config * config)2673 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
2674 {
2675 int id;
2676 struct wpa_ssid *ssid, *last = NULL;
2677
2678 id = -1;
2679 ssid = config->ssid;
2680 while (ssid) {
2681 if (ssid->id > id)
2682 id = ssid->id;
2683 last = ssid;
2684 ssid = ssid->next;
2685 }
2686 id++;
2687
2688 ssid = os_zalloc(sizeof(*ssid));
2689 if (ssid == NULL)
2690 return NULL;
2691 ssid->id = id;
2692 dl_list_init(&ssid->psk_list);
2693 if (last)
2694 last->next = ssid;
2695 else
2696 config->ssid = ssid;
2697
2698 wpa_config_update_prio_list(config);
2699
2700 return ssid;
2701 }
2702
2703
2704 /**
2705 * wpa_config_remove_network - Remove a configured network based on id
2706 * @config: Configuration data from wpa_config_read()
2707 * @id: Unique network id to search for
2708 * Returns: 0 on success, or -1 if the network was not found
2709 */
wpa_config_remove_network(struct wpa_config * config,int id)2710 int wpa_config_remove_network(struct wpa_config *config, int id)
2711 {
2712 struct wpa_ssid *ssid, *prev = NULL;
2713
2714 ssid = config->ssid;
2715 while (ssid) {
2716 if (id == ssid->id)
2717 break;
2718 prev = ssid;
2719 ssid = ssid->next;
2720 }
2721
2722 if (ssid == NULL)
2723 return -1;
2724
2725 if (prev)
2726 prev->next = ssid->next;
2727 else
2728 config->ssid = ssid->next;
2729
2730 wpa_config_update_prio_list(config);
2731 wpa_config_free_ssid(ssid);
2732 return 0;
2733 }
2734
2735
2736 /**
2737 * wpa_config_set_network_defaults - Set network default values
2738 * @ssid: Pointer to network configuration data
2739 */
wpa_config_set_network_defaults(struct wpa_ssid * ssid)2740 void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
2741 {
2742 ssid->proto = DEFAULT_PROTO;
2743 ssid->pairwise_cipher = DEFAULT_PAIRWISE;
2744 ssid->group_cipher = DEFAULT_GROUP;
2745 ssid->key_mgmt = DEFAULT_KEY_MGMT;
2746 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
2747 ssid->ht = 1;
2748 #ifdef IEEE8021X_EAPOL
2749 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
2750 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;
2751 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
2752 ssid->eap.sim_num = DEFAULT_USER_SELECTED_SIM;
2753 #endif /* IEEE8021X_EAPOL */
2754 #ifdef CONFIG_MESH
2755 ssid->dot11MeshMaxRetries = DEFAULT_MESH_MAX_RETRIES;
2756 ssid->dot11MeshRetryTimeout = DEFAULT_MESH_RETRY_TIMEOUT;
2757 ssid->dot11MeshConfirmTimeout = DEFAULT_MESH_CONFIRM_TIMEOUT;
2758 ssid->dot11MeshHoldingTimeout = DEFAULT_MESH_HOLDING_TIMEOUT;
2759 ssid->mesh_rssi_threshold = DEFAULT_MESH_RSSI_THRESHOLD;
2760 #endif /* CONFIG_MESH */
2761 #ifdef CONFIG_HT_OVERRIDES
2762 ssid->disable_ht = DEFAULT_DISABLE_HT;
2763 ssid->disable_ht40 = DEFAULT_DISABLE_HT40;
2764 ssid->disable_sgi = DEFAULT_DISABLE_SGI;
2765 ssid->disable_ldpc = DEFAULT_DISABLE_LDPC;
2766 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU;
2767 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR;
2768 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY;
2769 #endif /* CONFIG_HT_OVERRIDES */
2770 #ifdef CONFIG_VHT_OVERRIDES
2771 ssid->vht_rx_mcs_nss_1 = -1;
2772 ssid->vht_rx_mcs_nss_2 = -1;
2773 ssid->vht_rx_mcs_nss_3 = -1;
2774 ssid->vht_rx_mcs_nss_4 = -1;
2775 ssid->vht_rx_mcs_nss_5 = -1;
2776 ssid->vht_rx_mcs_nss_6 = -1;
2777 ssid->vht_rx_mcs_nss_7 = -1;
2778 ssid->vht_rx_mcs_nss_8 = -1;
2779 ssid->vht_tx_mcs_nss_1 = -1;
2780 ssid->vht_tx_mcs_nss_2 = -1;
2781 ssid->vht_tx_mcs_nss_3 = -1;
2782 ssid->vht_tx_mcs_nss_4 = -1;
2783 ssid->vht_tx_mcs_nss_5 = -1;
2784 ssid->vht_tx_mcs_nss_6 = -1;
2785 ssid->vht_tx_mcs_nss_7 = -1;
2786 ssid->vht_tx_mcs_nss_8 = -1;
2787 #endif /* CONFIG_VHT_OVERRIDES */
2788 ssid->proactive_key_caching = -1;
2789 #ifdef CONFIG_IEEE80211W
2790 ssid->ieee80211w = MGMT_FRAME_PROTECTION_DEFAULT;
2791 #endif /* CONFIG_IEEE80211W */
2792 #ifdef CONFIG_MACSEC
2793 ssid->mka_priority = DEFAULT_PRIO_NOT_KEY_SERVER;
2794 #endif /* CONFIG_MACSEC */
2795 ssid->mac_addr = -1;
2796 }
2797
2798
2799 /**
2800 * wpa_config_set - Set a variable in network configuration
2801 * @ssid: Pointer to network configuration data
2802 * @var: Variable name, e.g., "ssid"
2803 * @value: Variable value
2804 * @line: Line number in configuration file or 0 if not used
2805 * Returns: 0 on success with possible change in the value, 1 on success with
2806 * no change to previously configured value, or -1 on failure
2807 *
2808 * This function can be used to set network configuration variables based on
2809 * both the configuration file and management interface input. The value
2810 * parameter must be in the same format as the text-based configuration file is
2811 * using. For example, strings are using double quotation marks.
2812 */
wpa_config_set(struct wpa_ssid * ssid,const char * var,const char * value,int line)2813 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
2814 int line)
2815 {
2816 size_t i;
2817 int ret = 0;
2818
2819 if (ssid == NULL || var == NULL || value == NULL)
2820 return -1;
2821
2822 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2823 const struct parse_data *field = &ssid_fields[i];
2824 if (os_strcmp(var, field->name) != 0)
2825 continue;
2826
2827 ret = field->parser(field, ssid, line, value);
2828 if (ret < 0) {
2829 if (line) {
2830 wpa_printf(MSG_ERROR, "Line %d: failed to "
2831 "parse %s '%s'.", line, var, value);
2832 }
2833 ret = -1;
2834 }
2835 break;
2836 }
2837 if (i == NUM_SSID_FIELDS) {
2838 if (line) {
2839 wpa_printf(MSG_ERROR, "Line %d: unknown network field "
2840 "'%s'.", line, var);
2841 }
2842 ret = -1;
2843 }
2844
2845 return ret;
2846 }
2847
2848
wpa_config_set_quoted(struct wpa_ssid * ssid,const char * var,const char * value)2849 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
2850 const char *value)
2851 {
2852 size_t len;
2853 char *buf;
2854 int ret;
2855
2856 len = os_strlen(value);
2857 buf = os_malloc(len + 3);
2858 if (buf == NULL)
2859 return -1;
2860 buf[0] = '"';
2861 os_memcpy(buf + 1, value, len);
2862 buf[len + 1] = '"';
2863 buf[len + 2] = '\0';
2864 ret = wpa_config_set(ssid, var, buf, 0);
2865 os_free(buf);
2866 return ret;
2867 }
2868
2869
2870 /**
2871 * wpa_config_get_all - Get all options from network configuration
2872 * @ssid: Pointer to network configuration data
2873 * @get_keys: Determines if keys/passwords will be included in returned list
2874 * (if they may be exported)
2875 * Returns: %NULL terminated list of all set keys and their values in the form
2876 * of [key1, val1, key2, val2, ... , NULL]
2877 *
2878 * This function can be used to get list of all configured network properties.
2879 * The caller is responsible for freeing the returned list and all its
2880 * elements.
2881 */
wpa_config_get_all(struct wpa_ssid * ssid,int get_keys)2882 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys)
2883 {
2884 #ifdef NO_CONFIG_WRITE
2885 return NULL;
2886 #else /* NO_CONFIG_WRITE */
2887 const struct parse_data *field;
2888 char *key, *value;
2889 size_t i;
2890 char **props;
2891 int fields_num;
2892
2893 get_keys = get_keys && ssid->export_keys;
2894
2895 props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *));
2896 if (!props)
2897 return NULL;
2898
2899 fields_num = 0;
2900 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2901 field = &ssid_fields[i];
2902 if (field->key_data && !get_keys)
2903 continue;
2904 value = field->writer(field, ssid);
2905 if (value == NULL)
2906 continue;
2907 if (os_strlen(value) == 0) {
2908 os_free(value);
2909 continue;
2910 }
2911
2912 key = os_strdup(field->name);
2913 if (key == NULL) {
2914 os_free(value);
2915 goto err;
2916 }
2917
2918 props[fields_num * 2] = key;
2919 props[fields_num * 2 + 1] = value;
2920
2921 fields_num++;
2922 }
2923
2924 return props;
2925
2926 err:
2927 for (i = 0; props[i]; i++)
2928 os_free(props[i]);
2929 os_free(props);
2930 return NULL;
2931 #endif /* NO_CONFIG_WRITE */
2932 }
2933
2934
2935 #ifndef NO_CONFIG_WRITE
2936 /**
2937 * wpa_config_get - Get a variable in network configuration
2938 * @ssid: Pointer to network configuration data
2939 * @var: Variable name, e.g., "ssid"
2940 * Returns: Value of the variable or %NULL on failure
2941 *
2942 * This function can be used to get network configuration variables. The
2943 * returned value is a copy of the configuration variable in text format, i.e,.
2944 * the same format that the text-based configuration file and wpa_config_set()
2945 * are using for the value. The caller is responsible for freeing the returned
2946 * value.
2947 */
wpa_config_get(struct wpa_ssid * ssid,const char * var)2948 char * wpa_config_get(struct wpa_ssid *ssid, const char *var)
2949 {
2950 size_t i;
2951
2952 if (ssid == NULL || var == NULL)
2953 return NULL;
2954
2955 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2956 const struct parse_data *field = &ssid_fields[i];
2957 if (os_strcmp(var, field->name) == 0) {
2958 char *ret = field->writer(field, ssid);
2959
2960 if (ret && has_newline(ret)) {
2961 wpa_printf(MSG_ERROR,
2962 "Found newline in value for %s; not returning it",
2963 var);
2964 os_free(ret);
2965 ret = NULL;
2966 }
2967
2968 return ret;
2969 }
2970 }
2971
2972 return NULL;
2973 }
2974
2975
2976 /**
2977 * wpa_config_get_no_key - Get a variable in network configuration (no keys)
2978 * @ssid: Pointer to network configuration data
2979 * @var: Variable name, e.g., "ssid"
2980 * Returns: Value of the variable or %NULL on failure
2981 *
2982 * This function can be used to get network configuration variable like
2983 * wpa_config_get(). The only difference is that this functions does not expose
2984 * key/password material from the configuration. In case a key/password field
2985 * is requested, the returned value is an empty string or %NULL if the variable
2986 * is not set or "*" if the variable is set (regardless of its value). The
2987 * returned value is a copy of the configuration variable in text format, i.e,.
2988 * the same format that the text-based configuration file and wpa_config_set()
2989 * are using for the value. The caller is responsible for freeing the returned
2990 * value.
2991 */
wpa_config_get_no_key(struct wpa_ssid * ssid,const char * var)2992 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var)
2993 {
2994 size_t i;
2995
2996 if (ssid == NULL || var == NULL)
2997 return NULL;
2998
2999 for (i = 0; i < NUM_SSID_FIELDS; i++) {
3000 const struct parse_data *field = &ssid_fields[i];
3001 if (os_strcmp(var, field->name) == 0) {
3002 char *res = field->writer(field, ssid);
3003 if (field->key_data) {
3004 if (res && res[0]) {
3005 wpa_printf(MSG_DEBUG, "Do not allow "
3006 "key_data field to be "
3007 "exposed");
3008 str_clear_free(res);
3009 return os_strdup("*");
3010 }
3011
3012 os_free(res);
3013 return NULL;
3014 }
3015 return res;
3016 }
3017 }
3018
3019 return NULL;
3020 }
3021 #endif /* NO_CONFIG_WRITE */
3022
3023
3024 /**
3025 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID
3026 * @ssid: Pointer to network configuration data
3027 *
3028 * This function must be called to update WPA PSK when either SSID or the
3029 * passphrase has changed for the network configuration.
3030 */
wpa_config_update_psk(struct wpa_ssid * ssid)3031 void wpa_config_update_psk(struct wpa_ssid *ssid)
3032 {
3033 #ifndef CONFIG_NO_PBKDF2
3034 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096,
3035 ssid->psk, PMK_LEN);
3036 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
3037 ssid->psk, PMK_LEN);
3038 ssid->psk_set = 1;
3039 #endif /* CONFIG_NO_PBKDF2 */
3040 }
3041
3042
wpa_config_set_cred_req_conn_capab(struct wpa_cred * cred,const char * value)3043 static int wpa_config_set_cred_req_conn_capab(struct wpa_cred *cred,
3044 const char *value)
3045 {
3046 u8 *proto;
3047 int **port;
3048 int *ports, *nports;
3049 const char *pos;
3050 unsigned int num_ports;
3051
3052 proto = os_realloc_array(cred->req_conn_capab_proto,
3053 cred->num_req_conn_capab + 1, sizeof(u8));
3054 if (proto == NULL)
3055 return -1;
3056 cred->req_conn_capab_proto = proto;
3057
3058 port = os_realloc_array(cred->req_conn_capab_port,
3059 cred->num_req_conn_capab + 1, sizeof(int *));
3060 if (port == NULL)
3061 return -1;
3062 cred->req_conn_capab_port = port;
3063
3064 proto[cred->num_req_conn_capab] = atoi(value);
3065
3066 pos = os_strchr(value, ':');
3067 if (pos == NULL) {
3068 port[cred->num_req_conn_capab] = NULL;
3069 cred->num_req_conn_capab++;
3070 return 0;
3071 }
3072 pos++;
3073
3074 ports = NULL;
3075 num_ports = 0;
3076
3077 while (*pos) {
3078 nports = os_realloc_array(ports, num_ports + 1, sizeof(int));
3079 if (nports == NULL) {
3080 os_free(ports);
3081 return -1;
3082 }
3083 ports = nports;
3084 ports[num_ports++] = atoi(pos);
3085
3086 pos = os_strchr(pos, ',');
3087 if (pos == NULL)
3088 break;
3089 pos++;
3090 }
3091
3092 nports = os_realloc_array(ports, num_ports + 1, sizeof(int));
3093 if (nports == NULL) {
3094 os_free(ports);
3095 return -1;
3096 }
3097 ports = nports;
3098 ports[num_ports] = -1;
3099
3100 port[cred->num_req_conn_capab] = ports;
3101 cred->num_req_conn_capab++;
3102 return 0;
3103 }
3104
3105
wpa_config_set_cred(struct wpa_cred * cred,const char * var,const char * value,int line)3106 int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
3107 const char *value, int line)
3108 {
3109 char *val;
3110 size_t len;
3111
3112 if (os_strcmp(var, "temporary") == 0) {
3113 cred->temporary = atoi(value);
3114 return 0;
3115 }
3116
3117 if (os_strcmp(var, "priority") == 0) {
3118 cred->priority = atoi(value);
3119 return 0;
3120 }
3121
3122 if (os_strcmp(var, "sp_priority") == 0) {
3123 int prio = atoi(value);
3124 if (prio < 0 || prio > 255)
3125 return -1;
3126 cred->sp_priority = prio;
3127 return 0;
3128 }
3129
3130 if (os_strcmp(var, "pcsc") == 0) {
3131 cred->pcsc = atoi(value);
3132 return 0;
3133 }
3134
3135 if (os_strcmp(var, "eap") == 0) {
3136 struct eap_method_type method;
3137 method.method = eap_peer_get_type(value, &method.vendor);
3138 if (method.vendor == EAP_VENDOR_IETF &&
3139 method.method == EAP_TYPE_NONE) {
3140 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' "
3141 "for a credential", line, value);
3142 return -1;
3143 }
3144 os_free(cred->eap_method);
3145 cred->eap_method = os_malloc(sizeof(*cred->eap_method));
3146 if (cred->eap_method == NULL)
3147 return -1;
3148 os_memcpy(cred->eap_method, &method, sizeof(method));
3149 return 0;
3150 }
3151
3152 if (os_strcmp(var, "password") == 0 &&
3153 os_strncmp(value, "ext:", 4) == 0) {
3154 if (has_newline(value))
3155 return -1;
3156 str_clear_free(cred->password);
3157 cred->password = os_strdup(value);
3158 cred->ext_password = 1;
3159 return 0;
3160 }
3161
3162 if (os_strcmp(var, "update_identifier") == 0) {
3163 cred->update_identifier = atoi(value);
3164 return 0;
3165 }
3166
3167 if (os_strcmp(var, "min_dl_bandwidth_home") == 0) {
3168 cred->min_dl_bandwidth_home = atoi(value);
3169 return 0;
3170 }
3171
3172 if (os_strcmp(var, "min_ul_bandwidth_home") == 0) {
3173 cred->min_ul_bandwidth_home = atoi(value);
3174 return 0;
3175 }
3176
3177 if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0) {
3178 cred->min_dl_bandwidth_roaming = atoi(value);
3179 return 0;
3180 }
3181
3182 if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0) {
3183 cred->min_ul_bandwidth_roaming = atoi(value);
3184 return 0;
3185 }
3186
3187 if (os_strcmp(var, "max_bss_load") == 0) {
3188 cred->max_bss_load = atoi(value);
3189 return 0;
3190 }
3191
3192 if (os_strcmp(var, "req_conn_capab") == 0)
3193 return wpa_config_set_cred_req_conn_capab(cred, value);
3194
3195 if (os_strcmp(var, "ocsp") == 0) {
3196 cred->ocsp = atoi(value);
3197 return 0;
3198 }
3199
3200 if (os_strcmp(var, "sim_num") == 0) {
3201 cred->sim_num = atoi(value);
3202 return 0;
3203 }
3204
3205 val = wpa_config_parse_string(value, &len);
3206 if (val == NULL ||
3207 (os_strcmp(var, "excluded_ssid") != 0 &&
3208 os_strcmp(var, "roaming_consortium") != 0 &&
3209 os_strcmp(var, "required_roaming_consortium") != 0 &&
3210 has_newline(val))) {
3211 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string "
3212 "value '%s'.", line, var, value);
3213 os_free(val);
3214 return -1;
3215 }
3216
3217 if (os_strcmp(var, "realm") == 0) {
3218 os_free(cred->realm);
3219 cred->realm = val;
3220 return 0;
3221 }
3222
3223 if (os_strcmp(var, "username") == 0) {
3224 str_clear_free(cred->username);
3225 cred->username = val;
3226 return 0;
3227 }
3228
3229 if (os_strcmp(var, "password") == 0) {
3230 str_clear_free(cred->password);
3231 cred->password = val;
3232 cred->ext_password = 0;
3233 return 0;
3234 }
3235
3236 if (os_strcmp(var, "ca_cert") == 0) {
3237 os_free(cred->ca_cert);
3238 cred->ca_cert = val;
3239 return 0;
3240 }
3241
3242 if (os_strcmp(var, "client_cert") == 0) {
3243 os_free(cred->client_cert);
3244 cred->client_cert = val;
3245 return 0;
3246 }
3247
3248 if (os_strcmp(var, "private_key") == 0) {
3249 os_free(cred->private_key);
3250 cred->private_key = val;
3251 return 0;
3252 }
3253
3254 if (os_strcmp(var, "private_key_passwd") == 0) {
3255 str_clear_free(cred->private_key_passwd);
3256 cred->private_key_passwd = val;
3257 return 0;
3258 }
3259
3260 if (os_strcmp(var, "imsi") == 0) {
3261 os_free(cred->imsi);
3262 cred->imsi = val;
3263 return 0;
3264 }
3265
3266 if (os_strcmp(var, "milenage") == 0) {
3267 str_clear_free(cred->milenage);
3268 cred->milenage = val;
3269 return 0;
3270 }
3271
3272 if (os_strcmp(var, "domain_suffix_match") == 0) {
3273 os_free(cred->domain_suffix_match);
3274 cred->domain_suffix_match = val;
3275 return 0;
3276 }
3277
3278 if (os_strcmp(var, "domain") == 0) {
3279 char **new_domain;
3280 new_domain = os_realloc_array(cred->domain,
3281 cred->num_domain + 1,
3282 sizeof(char *));
3283 if (new_domain == NULL) {
3284 os_free(val);
3285 return -1;
3286 }
3287 new_domain[cred->num_domain++] = val;
3288 cred->domain = new_domain;
3289 return 0;
3290 }
3291
3292 if (os_strcmp(var, "phase1") == 0) {
3293 os_free(cred->phase1);
3294 cred->phase1 = val;
3295 return 0;
3296 }
3297
3298 if (os_strcmp(var, "phase2") == 0) {
3299 os_free(cred->phase2);
3300 cred->phase2 = val;
3301 return 0;
3302 }
3303
3304 if (os_strcmp(var, "roaming_consortium") == 0) {
3305 if (len < 3 || len > sizeof(cred->roaming_consortium)) {
3306 wpa_printf(MSG_ERROR, "Line %d: invalid "
3307 "roaming_consortium length %d (3..15 "
3308 "expected)", line, (int) len);
3309 os_free(val);
3310 return -1;
3311 }
3312 os_memcpy(cred->roaming_consortium, val, len);
3313 cred->roaming_consortium_len = len;
3314 os_free(val);
3315 return 0;
3316 }
3317
3318 if (os_strcmp(var, "required_roaming_consortium") == 0) {
3319 if (len < 3 || len > sizeof(cred->required_roaming_consortium))
3320 {
3321 wpa_printf(MSG_ERROR, "Line %d: invalid "
3322 "required_roaming_consortium length %d "
3323 "(3..15 expected)", line, (int) len);
3324 os_free(val);
3325 return -1;
3326 }
3327 os_memcpy(cred->required_roaming_consortium, val, len);
3328 cred->required_roaming_consortium_len = len;
3329 os_free(val);
3330 return 0;
3331 }
3332
3333 if (os_strcmp(var, "excluded_ssid") == 0) {
3334 struct excluded_ssid *e;
3335
3336 if (len > SSID_MAX_LEN) {
3337 wpa_printf(MSG_ERROR, "Line %d: invalid "
3338 "excluded_ssid length %d", line, (int) len);
3339 os_free(val);
3340 return -1;
3341 }
3342
3343 e = os_realloc_array(cred->excluded_ssid,
3344 cred->num_excluded_ssid + 1,
3345 sizeof(struct excluded_ssid));
3346 if (e == NULL) {
3347 os_free(val);
3348 return -1;
3349 }
3350 cred->excluded_ssid = e;
3351
3352 e = &cred->excluded_ssid[cred->num_excluded_ssid++];
3353 os_memcpy(e->ssid, val, len);
3354 e->ssid_len = len;
3355
3356 os_free(val);
3357
3358 return 0;
3359 }
3360
3361 if (os_strcmp(var, "roaming_partner") == 0) {
3362 struct roaming_partner *p;
3363 char *pos;
3364
3365 p = os_realloc_array(cred->roaming_partner,
3366 cred->num_roaming_partner + 1,
3367 sizeof(struct roaming_partner));
3368 if (p == NULL) {
3369 os_free(val);
3370 return -1;
3371 }
3372 cred->roaming_partner = p;
3373
3374 p = &cred->roaming_partner[cred->num_roaming_partner];
3375
3376 pos = os_strchr(val, ',');
3377 if (pos == NULL) {
3378 os_free(val);
3379 return -1;
3380 }
3381 *pos++ = '\0';
3382 if (pos - val - 1 >= (int) sizeof(p->fqdn)) {
3383 os_free(val);
3384 return -1;
3385 }
3386 os_memcpy(p->fqdn, val, pos - val);
3387
3388 p->exact_match = atoi(pos);
3389
3390 pos = os_strchr(pos, ',');
3391 if (pos == NULL) {
3392 os_free(val);
3393 return -1;
3394 }
3395 *pos++ = '\0';
3396
3397 p->priority = atoi(pos);
3398
3399 pos = os_strchr(pos, ',');
3400 if (pos == NULL) {
3401 os_free(val);
3402 return -1;
3403 }
3404 *pos++ = '\0';
3405
3406 if (os_strlen(pos) >= sizeof(p->country)) {
3407 os_free(val);
3408 return -1;
3409 }
3410 os_memcpy(p->country, pos, os_strlen(pos) + 1);
3411
3412 cred->num_roaming_partner++;
3413 os_free(val);
3414
3415 return 0;
3416 }
3417
3418 if (os_strcmp(var, "provisioning_sp") == 0) {
3419 os_free(cred->provisioning_sp);
3420 cred->provisioning_sp = val;
3421 return 0;
3422 }
3423
3424 if (line) {
3425 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.",
3426 line, var);
3427 }
3428
3429 os_free(val);
3430
3431 return -1;
3432 }
3433
3434
alloc_int_str(int val)3435 static char * alloc_int_str(int val)
3436 {
3437 const unsigned int bufsize = 20;
3438 char *buf;
3439 int res;
3440
3441 buf = os_malloc(bufsize);
3442 if (buf == NULL)
3443 return NULL;
3444 res = os_snprintf(buf, bufsize, "%d", val);
3445 if (os_snprintf_error(bufsize, res)) {
3446 os_free(buf);
3447 buf = NULL;
3448 }
3449 return buf;
3450 }
3451
3452
alloc_strdup(const char * str)3453 static char * alloc_strdup(const char *str)
3454 {
3455 if (str == NULL)
3456 return NULL;
3457 return os_strdup(str);
3458 }
3459
3460
wpa_config_get_cred_no_key(struct wpa_cred * cred,const char * var)3461 char * wpa_config_get_cred_no_key(struct wpa_cred *cred, const char *var)
3462 {
3463 if (os_strcmp(var, "temporary") == 0)
3464 return alloc_int_str(cred->temporary);
3465
3466 if (os_strcmp(var, "priority") == 0)
3467 return alloc_int_str(cred->priority);
3468
3469 if (os_strcmp(var, "sp_priority") == 0)
3470 return alloc_int_str(cred->sp_priority);
3471
3472 if (os_strcmp(var, "pcsc") == 0)
3473 return alloc_int_str(cred->pcsc);
3474
3475 if (os_strcmp(var, "eap") == 0) {
3476 if (!cred->eap_method)
3477 return NULL;
3478 return alloc_strdup(eap_get_name(cred->eap_method[0].vendor,
3479 cred->eap_method[0].method));
3480 }
3481
3482 if (os_strcmp(var, "update_identifier") == 0)
3483 return alloc_int_str(cred->update_identifier);
3484
3485 if (os_strcmp(var, "min_dl_bandwidth_home") == 0)
3486 return alloc_int_str(cred->min_dl_bandwidth_home);
3487
3488 if (os_strcmp(var, "min_ul_bandwidth_home") == 0)
3489 return alloc_int_str(cred->min_ul_bandwidth_home);
3490
3491 if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0)
3492 return alloc_int_str(cred->min_dl_bandwidth_roaming);
3493
3494 if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0)
3495 return alloc_int_str(cred->min_ul_bandwidth_roaming);
3496
3497 if (os_strcmp(var, "max_bss_load") == 0)
3498 return alloc_int_str(cred->max_bss_load);
3499
3500 if (os_strcmp(var, "req_conn_capab") == 0) {
3501 unsigned int i;
3502 char *buf, *end, *pos;
3503 int ret;
3504
3505 if (!cred->num_req_conn_capab)
3506 return NULL;
3507
3508 buf = os_malloc(4000);
3509 if (buf == NULL)
3510 return NULL;
3511 pos = buf;
3512 end = pos + 4000;
3513 for (i = 0; i < cred->num_req_conn_capab; i++) {
3514 int *ports;
3515
3516 ret = os_snprintf(pos, end - pos, "%s%u",
3517 i > 0 ? "\n" : "",
3518 cred->req_conn_capab_proto[i]);
3519 if (os_snprintf_error(end - pos, ret))
3520 return buf;
3521 pos += ret;
3522
3523 ports = cred->req_conn_capab_port[i];
3524 if (ports) {
3525 int j;
3526 for (j = 0; ports[j] != -1; j++) {
3527 ret = os_snprintf(pos, end - pos,
3528 "%s%d",
3529 j > 0 ? "," : ":",
3530 ports[j]);
3531 if (os_snprintf_error(end - pos, ret))
3532 return buf;
3533 pos += ret;
3534 }
3535 }
3536 }
3537
3538 return buf;
3539 }
3540
3541 if (os_strcmp(var, "ocsp") == 0)
3542 return alloc_int_str(cred->ocsp);
3543
3544 if (os_strcmp(var, "realm") == 0)
3545 return alloc_strdup(cred->realm);
3546
3547 if (os_strcmp(var, "username") == 0)
3548 return alloc_strdup(cred->username);
3549
3550 if (os_strcmp(var, "password") == 0) {
3551 if (!cred->password)
3552 return NULL;
3553 return alloc_strdup("*");
3554 }
3555
3556 if (os_strcmp(var, "ca_cert") == 0)
3557 return alloc_strdup(cred->ca_cert);
3558
3559 if (os_strcmp(var, "client_cert") == 0)
3560 return alloc_strdup(cred->client_cert);
3561
3562 if (os_strcmp(var, "private_key") == 0)
3563 return alloc_strdup(cred->private_key);
3564
3565 if (os_strcmp(var, "private_key_passwd") == 0) {
3566 if (!cred->private_key_passwd)
3567 return NULL;
3568 return alloc_strdup("*");
3569 }
3570
3571 if (os_strcmp(var, "imsi") == 0)
3572 return alloc_strdup(cred->imsi);
3573
3574 if (os_strcmp(var, "milenage") == 0) {
3575 if (!(cred->milenage))
3576 return NULL;
3577 return alloc_strdup("*");
3578 }
3579
3580 if (os_strcmp(var, "domain_suffix_match") == 0)
3581 return alloc_strdup(cred->domain_suffix_match);
3582
3583 if (os_strcmp(var, "domain") == 0) {
3584 unsigned int i;
3585 char *buf, *end, *pos;
3586 int ret;
3587
3588 if (!cred->num_domain)
3589 return NULL;
3590
3591 buf = os_malloc(4000);
3592 if (buf == NULL)
3593 return NULL;
3594 pos = buf;
3595 end = pos + 4000;
3596
3597 for (i = 0; i < cred->num_domain; i++) {
3598 ret = os_snprintf(pos, end - pos, "%s%s",
3599 i > 0 ? "\n" : "", cred->domain[i]);
3600 if (os_snprintf_error(end - pos, ret))
3601 return buf;
3602 pos += ret;
3603 }
3604
3605 return buf;
3606 }
3607
3608 if (os_strcmp(var, "phase1") == 0)
3609 return alloc_strdup(cred->phase1);
3610
3611 if (os_strcmp(var, "phase2") == 0)
3612 return alloc_strdup(cred->phase2);
3613
3614 if (os_strcmp(var, "roaming_consortium") == 0) {
3615 size_t buflen;
3616 char *buf;
3617
3618 if (!cred->roaming_consortium_len)
3619 return NULL;
3620 buflen = cred->roaming_consortium_len * 2 + 1;
3621 buf = os_malloc(buflen);
3622 if (buf == NULL)
3623 return NULL;
3624 wpa_snprintf_hex(buf, buflen, cred->roaming_consortium,
3625 cred->roaming_consortium_len);
3626 return buf;
3627 }
3628
3629 if (os_strcmp(var, "required_roaming_consortium") == 0) {
3630 size_t buflen;
3631 char *buf;
3632
3633 if (!cred->required_roaming_consortium_len)
3634 return NULL;
3635 buflen = cred->required_roaming_consortium_len * 2 + 1;
3636 buf = os_malloc(buflen);
3637 if (buf == NULL)
3638 return NULL;
3639 wpa_snprintf_hex(buf, buflen, cred->required_roaming_consortium,
3640 cred->required_roaming_consortium_len);
3641 return buf;
3642 }
3643
3644 if (os_strcmp(var, "excluded_ssid") == 0) {
3645 unsigned int i;
3646 char *buf, *end, *pos;
3647
3648 if (!cred->num_excluded_ssid)
3649 return NULL;
3650
3651 buf = os_malloc(4000);
3652 if (buf == NULL)
3653 return NULL;
3654 pos = buf;
3655 end = pos + 4000;
3656
3657 for (i = 0; i < cred->num_excluded_ssid; i++) {
3658 struct excluded_ssid *e;
3659 int ret;
3660
3661 e = &cred->excluded_ssid[i];
3662 ret = os_snprintf(pos, end - pos, "%s%s",
3663 i > 0 ? "\n" : "",
3664 wpa_ssid_txt(e->ssid, e->ssid_len));
3665 if (os_snprintf_error(end - pos, ret))
3666 return buf;
3667 pos += ret;
3668 }
3669
3670 return buf;
3671 }
3672
3673 if (os_strcmp(var, "roaming_partner") == 0) {
3674 unsigned int i;
3675 char *buf, *end, *pos;
3676
3677 if (!cred->num_roaming_partner)
3678 return NULL;
3679
3680 buf = os_malloc(4000);
3681 if (buf == NULL)
3682 return NULL;
3683 pos = buf;
3684 end = pos + 4000;
3685
3686 for (i = 0; i < cred->num_roaming_partner; i++) {
3687 struct roaming_partner *p;
3688 int ret;
3689
3690 p = &cred->roaming_partner[i];
3691 ret = os_snprintf(pos, end - pos, "%s%s,%d,%u,%s",
3692 i > 0 ? "\n" : "",
3693 p->fqdn, p->exact_match, p->priority,
3694 p->country);
3695 if (os_snprintf_error(end - pos, ret))
3696 return buf;
3697 pos += ret;
3698 }
3699
3700 return buf;
3701 }
3702
3703 if (os_strcmp(var, "provisioning_sp") == 0)
3704 return alloc_strdup(cred->provisioning_sp);
3705
3706 return NULL;
3707 }
3708
3709
wpa_config_get_cred(struct wpa_config * config,int id)3710 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id)
3711 {
3712 struct wpa_cred *cred;
3713
3714 cred = config->cred;
3715 while (cred) {
3716 if (id == cred->id)
3717 break;
3718 cred = cred->next;
3719 }
3720
3721 return cred;
3722 }
3723
3724
wpa_config_add_cred(struct wpa_config * config)3725 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config)
3726 {
3727 int id;
3728 struct wpa_cred *cred, *last = NULL;
3729
3730 id = -1;
3731 cred = config->cred;
3732 while (cred) {
3733 if (cred->id > id)
3734 id = cred->id;
3735 last = cred;
3736 cred = cred->next;
3737 }
3738 id++;
3739
3740 cred = os_zalloc(sizeof(*cred));
3741 if (cred == NULL)
3742 return NULL;
3743 cred->id = id;
3744 cred->sim_num = DEFAULT_USER_SELECTED_SIM;
3745 if (last)
3746 last->next = cred;
3747 else
3748 config->cred = cred;
3749
3750 return cred;
3751 }
3752
3753
wpa_config_remove_cred(struct wpa_config * config,int id)3754 int wpa_config_remove_cred(struct wpa_config *config, int id)
3755 {
3756 struct wpa_cred *cred, *prev = NULL;
3757
3758 cred = config->cred;
3759 while (cred) {
3760 if (id == cred->id)
3761 break;
3762 prev = cred;
3763 cred = cred->next;
3764 }
3765
3766 if (cred == NULL)
3767 return -1;
3768
3769 if (prev)
3770 prev->next = cred->next;
3771 else
3772 config->cred = cred->next;
3773
3774 wpa_config_free_cred(cred);
3775 return 0;
3776 }
3777
3778
3779 #ifndef CONFIG_NO_CONFIG_BLOBS
3780 /**
3781 * wpa_config_get_blob - Get a named configuration blob
3782 * @config: Configuration data from wpa_config_read()
3783 * @name: Name of the blob
3784 * Returns: Pointer to blob data or %NULL if not found
3785 */
wpa_config_get_blob(struct wpa_config * config,const char * name)3786 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
3787 const char *name)
3788 {
3789 struct wpa_config_blob *blob = config->blobs;
3790
3791 while (blob) {
3792 if (os_strcmp(blob->name, name) == 0)
3793 return blob;
3794 blob = blob->next;
3795 }
3796 return NULL;
3797 }
3798
3799
3800 /**
3801 * wpa_config_set_blob - Set or add a named configuration blob
3802 * @config: Configuration data from wpa_config_read()
3803 * @blob: New value for the blob
3804 *
3805 * Adds a new configuration blob or replaces the current value of an existing
3806 * blob.
3807 */
wpa_config_set_blob(struct wpa_config * config,struct wpa_config_blob * blob)3808 void wpa_config_set_blob(struct wpa_config *config,
3809 struct wpa_config_blob *blob)
3810 {
3811 wpa_config_remove_blob(config, blob->name);
3812 blob->next = config->blobs;
3813 config->blobs = blob;
3814 }
3815
3816
3817 /**
3818 * wpa_config_free_blob - Free blob data
3819 * @blob: Pointer to blob to be freed
3820 */
wpa_config_free_blob(struct wpa_config_blob * blob)3821 void wpa_config_free_blob(struct wpa_config_blob *blob)
3822 {
3823 if (blob) {
3824 os_free(blob->name);
3825 bin_clear_free(blob->data, blob->len);
3826 os_free(blob);
3827 }
3828 }
3829
3830
3831 /**
3832 * wpa_config_remove_blob - Remove a named configuration blob
3833 * @config: Configuration data from wpa_config_read()
3834 * @name: Name of the blob to remove
3835 * Returns: 0 if blob was removed or -1 if blob was not found
3836 */
wpa_config_remove_blob(struct wpa_config * config,const char * name)3837 int wpa_config_remove_blob(struct wpa_config *config, const char *name)
3838 {
3839 struct wpa_config_blob *pos = config->blobs, *prev = NULL;
3840
3841 while (pos) {
3842 if (os_strcmp(pos->name, name) == 0) {
3843 if (prev)
3844 prev->next = pos->next;
3845 else
3846 config->blobs = pos->next;
3847 wpa_config_free_blob(pos);
3848 return 0;
3849 }
3850 prev = pos;
3851 pos = pos->next;
3852 }
3853
3854 return -1;
3855 }
3856 #endif /* CONFIG_NO_CONFIG_BLOBS */
3857
3858
3859 /**
3860 * wpa_config_alloc_empty - Allocate an empty configuration
3861 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain
3862 * socket
3863 * @driver_param: Driver parameters
3864 * Returns: Pointer to allocated configuration data or %NULL on failure
3865 */
wpa_config_alloc_empty(const char * ctrl_interface,const char * driver_param)3866 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
3867 const char *driver_param)
3868 {
3869 struct wpa_config *config;
3870 const int aCWmin = 4, aCWmax = 10;
3871 const struct hostapd_wmm_ac_params ac_bk =
3872 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
3873 const struct hostapd_wmm_ac_params ac_be =
3874 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
3875 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
3876 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 };
3877 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
3878 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 };
3879
3880 config = os_zalloc(sizeof(*config));
3881 if (config == NULL)
3882 return NULL;
3883 config->eapol_version = DEFAULT_EAPOL_VERSION;
3884 config->ap_scan = DEFAULT_AP_SCAN;
3885 config->user_mpm = DEFAULT_USER_MPM;
3886 config->max_peer_links = DEFAULT_MAX_PEER_LINKS;
3887 config->mesh_max_inactivity = DEFAULT_MESH_MAX_INACTIVITY;
3888 config->dot11RSNASAERetransPeriod =
3889 DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD;
3890 config->fast_reauth = DEFAULT_FAST_REAUTH;
3891 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
3892 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
3893 config->p2p_go_freq_change_policy = DEFAULT_P2P_GO_FREQ_MOVE;
3894 config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY;
3895 config->p2p_optimize_listen_chan = DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN;
3896 config->p2p_go_ctwindow = DEFAULT_P2P_GO_CTWINDOW;
3897 config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
3898 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
3899 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
3900 config->max_num_sta = DEFAULT_MAX_NUM_STA;
3901 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE;
3902 config->scan_cur_freq = DEFAULT_SCAN_CUR_FREQ;
3903 config->wmm_ac_params[0] = ac_be;
3904 config->wmm_ac_params[1] = ac_bk;
3905 config->wmm_ac_params[2] = ac_vi;
3906 config->wmm_ac_params[3] = ac_vo;
3907 config->p2p_search_delay = DEFAULT_P2P_SEARCH_DELAY;
3908 config->rand_addr_lifetime = DEFAULT_RAND_ADDR_LIFETIME;
3909 config->key_mgmt_offload = DEFAULT_KEY_MGMT_OFFLOAD;
3910 config->cert_in_cb = DEFAULT_CERT_IN_CB;
3911 config->wpa_rsc_relaxation = DEFAULT_WPA_RSC_RELAXATION;
3912
3913 #ifdef CONFIG_MBO
3914 config->mbo_cell_capa = DEFAULT_MBO_CELL_CAPA;
3915 config->disassoc_imminent_rssi_threshold =
3916 DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD;
3917 config->oce = DEFAULT_OCE_SUPPORT;
3918 #endif /* CONFIG_MBO */
3919
3920 if (ctrl_interface)
3921 config->ctrl_interface = os_strdup(ctrl_interface);
3922 if (driver_param)
3923 config->driver_param = os_strdup(driver_param);
3924 config->gas_rand_addr_lifetime = DEFAULT_RAND_ADDR_LIFETIME;
3925
3926 return config;
3927 }
3928
3929
3930 #ifndef CONFIG_NO_STDOUT_DEBUG
3931 /**
3932 * wpa_config_debug_dump_networks - Debug dump of configured networks
3933 * @config: Configuration data from wpa_config_read()
3934 */
wpa_config_debug_dump_networks(struct wpa_config * config)3935 void wpa_config_debug_dump_networks(struct wpa_config *config)
3936 {
3937 int prio;
3938 struct wpa_ssid *ssid;
3939
3940 for (prio = 0; prio < config->num_prio; prio++) {
3941 ssid = config->pssid[prio];
3942 wpa_printf(MSG_DEBUG, "Priority group %d",
3943 ssid->priority);
3944 while (ssid) {
3945 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'",
3946 ssid->id,
3947 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
3948 ssid = ssid->pnext;
3949 }
3950 }
3951 }
3952 #endif /* CONFIG_NO_STDOUT_DEBUG */
3953
3954
3955 struct global_parse_data {
3956 char *name;
3957 int (*parser)(const struct global_parse_data *data,
3958 struct wpa_config *config, int line, const char *value);
3959 int (*get)(const char *name, struct wpa_config *config, long offset,
3960 char *buf, size_t buflen, int pretty_print);
3961 void *param1, *param2, *param3;
3962 unsigned int changed_flag;
3963 };
3964
3965
wpa_global_config_parse_int(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)3966 static int wpa_global_config_parse_int(const struct global_parse_data *data,
3967 struct wpa_config *config, int line,
3968 const char *pos)
3969 {
3970 int val, *dst;
3971 char *end;
3972
3973 dst = (int *) (((u8 *) config) + (long) data->param1);
3974 val = strtol(pos, &end, 0);
3975 if (*end) {
3976 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"",
3977 line, pos);
3978 return -1;
3979 }
3980 *dst = val;
3981
3982 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
3983
3984 if (data->param2 && *dst < (long) data->param2) {
3985 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
3986 "min_value=%ld)", line, data->name, *dst,
3987 (long) data->param2);
3988 *dst = (long) data->param2;
3989 return -1;
3990 }
3991
3992 if (data->param3 && *dst > (long) data->param3) {
3993 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
3994 "max_value=%ld)", line, data->name, *dst,
3995 (long) data->param3);
3996 *dst = (long) data->param3;
3997 return -1;
3998 }
3999
4000 return 0;
4001 }
4002
4003
wpa_global_config_parse_str(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4004 static int wpa_global_config_parse_str(const struct global_parse_data *data,
4005 struct wpa_config *config, int line,
4006 const char *pos)
4007 {
4008 size_t len;
4009 char **dst, *tmp;
4010
4011 len = os_strlen(pos);
4012 if (data->param2 && len < (size_t) data->param2) {
4013 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
4014 "min_len=%ld)", line, data->name,
4015 (unsigned long) len, (long) data->param2);
4016 return -1;
4017 }
4018
4019 if (data->param3 && len > (size_t) data->param3) {
4020 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
4021 "max_len=%ld)", line, data->name,
4022 (unsigned long) len, (long) data->param3);
4023 return -1;
4024 }
4025
4026 if (has_newline(pos)) {
4027 wpa_printf(MSG_ERROR, "Line %d: invalid %s value with newline",
4028 line, data->name);
4029 return -1;
4030 }
4031
4032 tmp = os_strdup(pos);
4033 if (tmp == NULL)
4034 return -1;
4035
4036 dst = (char **) (((u8 *) config) + (long) data->param1);
4037 os_free(*dst);
4038 *dst = tmp;
4039 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
4040
4041 return 0;
4042 }
4043
4044
wpa_config_process_bgscan(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4045 static int wpa_config_process_bgscan(const struct global_parse_data *data,
4046 struct wpa_config *config, int line,
4047 const char *pos)
4048 {
4049 size_t len;
4050 char *tmp;
4051 int res;
4052
4053 tmp = wpa_config_parse_string(pos, &len);
4054 if (tmp == NULL) {
4055 wpa_printf(MSG_ERROR, "Line %d: failed to parse %s",
4056 line, data->name);
4057 return -1;
4058 }
4059
4060 res = wpa_global_config_parse_str(data, config, line, tmp);
4061 os_free(tmp);
4062 return res;
4063 }
4064
4065
wpa_global_config_parse_bin(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4066 static int wpa_global_config_parse_bin(const struct global_parse_data *data,
4067 struct wpa_config *config, int line,
4068 const char *pos)
4069 {
4070 struct wpabuf **dst, *tmp;
4071
4072 tmp = wpabuf_parse_bin(pos);
4073 if (!tmp)
4074 return -1;
4075
4076 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1);
4077 wpabuf_free(*dst);
4078 *dst = tmp;
4079 wpa_printf(MSG_DEBUG, "%s", data->name);
4080
4081 return 0;
4082 }
4083
4084
wpa_config_process_freq_list(const struct global_parse_data * data,struct wpa_config * config,int line,const char * value)4085 static int wpa_config_process_freq_list(const struct global_parse_data *data,
4086 struct wpa_config *config, int line,
4087 const char *value)
4088 {
4089 int *freqs;
4090
4091 freqs = wpa_config_parse_int_array(value);
4092 if (freqs == NULL)
4093 return -1;
4094 if (freqs[0] == 0) {
4095 os_free(freqs);
4096 freqs = NULL;
4097 }
4098 os_free(config->freq_list);
4099 config->freq_list = freqs;
4100 return 0;
4101 }
4102
4103
4104 #ifdef CONFIG_P2P
wpa_global_config_parse_ipv4(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4105 static int wpa_global_config_parse_ipv4(const struct global_parse_data *data,
4106 struct wpa_config *config, int line,
4107 const char *pos)
4108 {
4109 u32 *dst;
4110 struct hostapd_ip_addr addr;
4111
4112 if (hostapd_parse_ip_addr(pos, &addr) < 0)
4113 return -1;
4114 if (addr.af != AF_INET)
4115 return -1;
4116
4117 dst = (u32 *) (((u8 *) config) + (long) data->param1);
4118 os_memcpy(dst, &addr.u.v4.s_addr, 4);
4119 wpa_printf(MSG_DEBUG, "%s = 0x%x", data->name,
4120 WPA_GET_BE32((u8 *) dst));
4121
4122 return 0;
4123 }
4124 #endif /* CONFIG_P2P */
4125
4126
wpa_config_process_country(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4127 static int wpa_config_process_country(const struct global_parse_data *data,
4128 struct wpa_config *config, int line,
4129 const char *pos)
4130 {
4131 if (!pos[0] || !pos[1]) {
4132 wpa_printf(MSG_DEBUG, "Invalid country set");
4133 return -1;
4134 }
4135 config->country[0] = pos[0];
4136 config->country[1] = pos[1];
4137 wpa_printf(MSG_DEBUG, "country='%c%c'",
4138 config->country[0], config->country[1]);
4139 return 0;
4140 }
4141
4142
wpa_config_process_load_dynamic_eap(const struct global_parse_data * data,struct wpa_config * config,int line,const char * so)4143 static int wpa_config_process_load_dynamic_eap(
4144 const struct global_parse_data *data, struct wpa_config *config,
4145 int line, const char *so)
4146 {
4147 int ret;
4148 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
4149 ret = eap_peer_method_load(so);
4150 if (ret == -2) {
4151 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
4152 "reloading.");
4153 } else if (ret) {
4154 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
4155 "method '%s'.", line, so);
4156 return -1;
4157 }
4158
4159 return 0;
4160 }
4161
4162
4163 #ifdef CONFIG_WPS
4164
wpa_config_process_uuid(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4165 static int wpa_config_process_uuid(const struct global_parse_data *data,
4166 struct wpa_config *config, int line,
4167 const char *pos)
4168 {
4169 char buf[40];
4170 if (uuid_str2bin(pos, config->uuid)) {
4171 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
4172 return -1;
4173 }
4174 uuid_bin2str(config->uuid, buf, sizeof(buf));
4175 wpa_printf(MSG_DEBUG, "uuid=%s", buf);
4176 return 0;
4177 }
4178
4179
wpa_config_process_device_type(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4180 static int wpa_config_process_device_type(
4181 const struct global_parse_data *data,
4182 struct wpa_config *config, int line, const char *pos)
4183 {
4184 return wps_dev_type_str2bin(pos, config->device_type);
4185 }
4186
4187
wpa_config_process_os_version(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4188 static int wpa_config_process_os_version(const struct global_parse_data *data,
4189 struct wpa_config *config, int line,
4190 const char *pos)
4191 {
4192 if (hexstr2bin(pos, config->os_version, 4)) {
4193 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
4194 return -1;
4195 }
4196 wpa_printf(MSG_DEBUG, "os_version=%08x",
4197 WPA_GET_BE32(config->os_version));
4198 return 0;
4199 }
4200
4201
wpa_config_process_wps_vendor_ext_m1(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4202 static int wpa_config_process_wps_vendor_ext_m1(
4203 const struct global_parse_data *data,
4204 struct wpa_config *config, int line, const char *pos)
4205 {
4206 struct wpabuf *tmp;
4207 int len = os_strlen(pos) / 2;
4208 u8 *p;
4209
4210 if (!len) {
4211 wpa_printf(MSG_ERROR, "Line %d: "
4212 "invalid wps_vendor_ext_m1", line);
4213 return -1;
4214 }
4215
4216 tmp = wpabuf_alloc(len);
4217 if (tmp) {
4218 p = wpabuf_put(tmp, len);
4219
4220 if (hexstr2bin(pos, p, len)) {
4221 wpa_printf(MSG_ERROR, "Line %d: "
4222 "invalid wps_vendor_ext_m1", line);
4223 wpabuf_free(tmp);
4224 return -1;
4225 }
4226
4227 wpabuf_free(config->wps_vendor_ext_m1);
4228 config->wps_vendor_ext_m1 = tmp;
4229 } else {
4230 wpa_printf(MSG_ERROR, "Can not allocate "
4231 "memory for wps_vendor_ext_m1");
4232 return -1;
4233 }
4234
4235 return 0;
4236 }
4237
4238 #endif /* CONFIG_WPS */
4239
4240 #ifdef CONFIG_P2P
wpa_config_process_sec_device_type(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4241 static int wpa_config_process_sec_device_type(
4242 const struct global_parse_data *data,
4243 struct wpa_config *config, int line, const char *pos)
4244 {
4245 int idx;
4246
4247 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) {
4248 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type "
4249 "items", line);
4250 return -1;
4251 }
4252
4253 idx = config->num_sec_device_types;
4254
4255 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx]))
4256 return -1;
4257
4258 config->num_sec_device_types++;
4259 return 0;
4260 }
4261
4262
wpa_config_process_p2p_pref_chan(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4263 static int wpa_config_process_p2p_pref_chan(
4264 const struct global_parse_data *data,
4265 struct wpa_config *config, int line, const char *pos)
4266 {
4267 struct p2p_channel *pref = NULL, *n;
4268 unsigned int num = 0;
4269 const char *pos2;
4270 u8 op_class, chan;
4271
4272 /* format: class:chan,class:chan,... */
4273
4274 while (*pos) {
4275 op_class = atoi(pos);
4276 pos2 = os_strchr(pos, ':');
4277 if (pos2 == NULL)
4278 goto fail;
4279 pos2++;
4280 chan = atoi(pos2);
4281
4282 n = os_realloc_array(pref, num + 1,
4283 sizeof(struct p2p_channel));
4284 if (n == NULL)
4285 goto fail;
4286 pref = n;
4287 pref[num].op_class = op_class;
4288 pref[num].chan = chan;
4289 num++;
4290
4291 pos = os_strchr(pos2, ',');
4292 if (pos == NULL)
4293 break;
4294 pos++;
4295 }
4296
4297 os_free(config->p2p_pref_chan);
4298 config->p2p_pref_chan = pref;
4299 config->num_p2p_pref_chan = num;
4300 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs",
4301 (u8 *) config->p2p_pref_chan,
4302 config->num_p2p_pref_chan * sizeof(struct p2p_channel));
4303
4304 return 0;
4305
4306 fail:
4307 os_free(pref);
4308 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line);
4309 return -1;
4310 }
4311
4312
wpa_config_process_p2p_no_go_freq(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4313 static int wpa_config_process_p2p_no_go_freq(
4314 const struct global_parse_data *data,
4315 struct wpa_config *config, int line, const char *pos)
4316 {
4317 int ret;
4318
4319 ret = freq_range_list_parse(&config->p2p_no_go_freq, pos);
4320 if (ret < 0) {
4321 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_no_go_freq", line);
4322 return -1;
4323 }
4324
4325 wpa_printf(MSG_DEBUG, "P2P: p2p_no_go_freq with %u items",
4326 config->p2p_no_go_freq.num);
4327
4328 return 0;
4329 }
4330
4331 #endif /* CONFIG_P2P */
4332
4333
wpa_config_process_hessid(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4334 static int wpa_config_process_hessid(
4335 const struct global_parse_data *data,
4336 struct wpa_config *config, int line, const char *pos)
4337 {
4338 if (hwaddr_aton2(pos, config->hessid) < 0) {
4339 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'",
4340 line, pos);
4341 return -1;
4342 }
4343
4344 return 0;
4345 }
4346
4347
wpa_config_process_sae_groups(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4348 static int wpa_config_process_sae_groups(
4349 const struct global_parse_data *data,
4350 struct wpa_config *config, int line, const char *pos)
4351 {
4352 int *groups = wpa_config_parse_int_array(pos);
4353 if (groups == NULL) {
4354 wpa_printf(MSG_ERROR, "Line %d: Invalid sae_groups '%s'",
4355 line, pos);
4356 return -1;
4357 }
4358
4359 os_free(config->sae_groups);
4360 config->sae_groups = groups;
4361
4362 return 0;
4363 }
4364
4365
wpa_config_process_ap_vendor_elements(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4366 static int wpa_config_process_ap_vendor_elements(
4367 const struct global_parse_data *data,
4368 struct wpa_config *config, int line, const char *pos)
4369 {
4370 struct wpabuf *tmp;
4371 int len = os_strlen(pos) / 2;
4372 u8 *p;
4373
4374 if (!len) {
4375 wpa_printf(MSG_ERROR, "Line %d: invalid ap_vendor_elements",
4376 line);
4377 return -1;
4378 }
4379
4380 tmp = wpabuf_alloc(len);
4381 if (tmp) {
4382 p = wpabuf_put(tmp, len);
4383
4384 if (hexstr2bin(pos, p, len)) {
4385 wpa_printf(MSG_ERROR, "Line %d: invalid "
4386 "ap_vendor_elements", line);
4387 wpabuf_free(tmp);
4388 return -1;
4389 }
4390
4391 wpabuf_free(config->ap_vendor_elements);
4392 config->ap_vendor_elements = tmp;
4393 } else {
4394 wpa_printf(MSG_ERROR, "Cannot allocate memory for "
4395 "ap_vendor_elements");
4396 return -1;
4397 }
4398
4399 return 0;
4400 }
4401
4402
4403 #ifdef CONFIG_CTRL_IFACE
wpa_config_process_no_ctrl_interface(const struct global_parse_data * data,struct wpa_config * config,int line,const char * pos)4404 static int wpa_config_process_no_ctrl_interface(
4405 const struct global_parse_data *data,
4406 struct wpa_config *config, int line, const char *pos)
4407 {
4408 wpa_printf(MSG_DEBUG, "no_ctrl_interface -> ctrl_interface=NULL");
4409 os_free(config->ctrl_interface);
4410 config->ctrl_interface = NULL;
4411 return 0;
4412 }
4413 #endif /* CONFIG_CTRL_IFACE */
4414
4415
wpa_config_get_int(const char * name,struct wpa_config * config,long offset,char * buf,size_t buflen,int pretty_print)4416 static int wpa_config_get_int(const char *name, struct wpa_config *config,
4417 long offset, char *buf, size_t buflen,
4418 int pretty_print)
4419 {
4420 int *val = (int *) (((u8 *) config) + (long) offset);
4421
4422 if (pretty_print)
4423 return os_snprintf(buf, buflen, "%s=%d\n", name, *val);
4424 return os_snprintf(buf, buflen, "%d", *val);
4425 }
4426
4427
wpa_config_get_str(const char * name,struct wpa_config * config,long offset,char * buf,size_t buflen,int pretty_print)4428 static int wpa_config_get_str(const char *name, struct wpa_config *config,
4429 long offset, char *buf, size_t buflen,
4430 int pretty_print)
4431 {
4432 char **val = (char **) (((u8 *) config) + (long) offset);
4433 int res;
4434
4435 if (pretty_print)
4436 res = os_snprintf(buf, buflen, "%s=%s\n", name,
4437 *val ? *val : "null");
4438 else if (!*val)
4439 return -1;
4440 else
4441 res = os_snprintf(buf, buflen, "%s", *val);
4442 if (os_snprintf_error(buflen, res))
4443 res = -1;
4444
4445 return res;
4446 }
4447
4448
4449 #ifdef CONFIG_P2P
wpa_config_get_ipv4(const char * name,struct wpa_config * config,long offset,char * buf,size_t buflen,int pretty_print)4450 static int wpa_config_get_ipv4(const char *name, struct wpa_config *config,
4451 long offset, char *buf, size_t buflen,
4452 int pretty_print)
4453 {
4454 void *val = ((u8 *) config) + (long) offset;
4455 int res;
4456 char addr[INET_ADDRSTRLEN];
4457
4458 if (!val || !inet_ntop(AF_INET, val, addr, sizeof(addr)))
4459 return -1;
4460
4461 if (pretty_print)
4462 res = os_snprintf(buf, buflen, "%s=%s\n", name, addr);
4463 else
4464 res = os_snprintf(buf, buflen, "%s", addr);
4465
4466 if (os_snprintf_error(buflen, res))
4467 res = -1;
4468
4469 return res;
4470 }
4471 #endif /* CONFIG_P2P */
4472
4473
4474 #ifdef OFFSET
4475 #undef OFFSET
4476 #endif /* OFFSET */
4477 /* OFFSET: Get offset of a variable within the wpa_config structure */
4478 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
4479
4480 #define FUNC(f) #f, wpa_config_process_ ## f, NULL, OFFSET(f), NULL, NULL
4481 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL, NULL
4482 #define _INT(f) #f, wpa_global_config_parse_int, wpa_config_get_int, OFFSET(f)
4483 #define INT(f) _INT(f), NULL, NULL
4484 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
4485 #define _STR(f) #f, wpa_global_config_parse_str, wpa_config_get_str, OFFSET(f)
4486 #define STR(f) _STR(f), NULL, NULL
4487 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
4488 #define BIN(f) #f, wpa_global_config_parse_bin, NULL, OFFSET(f), NULL, NULL
4489 #define IPV4(f) #f, wpa_global_config_parse_ipv4, wpa_config_get_ipv4, \
4490 OFFSET(f), NULL, NULL
4491
4492 static const struct global_parse_data global_fields[] = {
4493 #ifdef CONFIG_CTRL_IFACE
4494 { STR(ctrl_interface), 0 },
4495 { FUNC_NO_VAR(no_ctrl_interface), 0 },
4496 { STR(ctrl_interface_group), 0 } /* deprecated */,
4497 #endif /* CONFIG_CTRL_IFACE */
4498 #ifdef CONFIG_MACSEC
4499 { INT_RANGE(eapol_version, 1, 3), 0 },
4500 #else /* CONFIG_MACSEC */
4501 { INT_RANGE(eapol_version, 1, 2), 0 },
4502 #endif /* CONFIG_MACSEC */
4503 { INT(ap_scan), 0 },
4504 { FUNC(bgscan), 0 },
4505 #ifdef CONFIG_MESH
4506 { INT(user_mpm), 0 },
4507 { INT_RANGE(max_peer_links, 0, 255), 0 },
4508 { INT(mesh_max_inactivity), 0 },
4509 { INT(dot11RSNASAERetransPeriod), 0 },
4510 #endif /* CONFIG_MESH */
4511 { INT(disable_scan_offload), 0 },
4512 { INT(fast_reauth), 0 },
4513 { STR(opensc_engine_path), 0 },
4514 { STR(pkcs11_engine_path), 0 },
4515 { STR(pkcs11_module_path), 0 },
4516 { STR(openssl_ciphers), 0 },
4517 { STR(pcsc_reader), 0 },
4518 { STR(pcsc_pin), 0 },
4519 { INT(external_sim), 0 },
4520 { STR(driver_param), 0 },
4521 { INT(dot11RSNAConfigPMKLifetime), 0 },
4522 { INT(dot11RSNAConfigPMKReauthThreshold), 0 },
4523 { INT(dot11RSNAConfigSATimeout), 0 },
4524 #ifndef CONFIG_NO_CONFIG_WRITE
4525 { INT(update_config), 0 },
4526 #endif /* CONFIG_NO_CONFIG_WRITE */
4527 { FUNC_NO_VAR(load_dynamic_eap), 0 },
4528 #ifdef CONFIG_WPS
4529 { FUNC(uuid), CFG_CHANGED_UUID },
4530 { INT_RANGE(auto_uuid, 0, 1), 0 },
4531 { STR_RANGE(device_name, 0, WPS_DEV_NAME_MAX_LEN),
4532 CFG_CHANGED_DEVICE_NAME },
4533 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING },
4534 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING },
4535 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING },
4536 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING },
4537 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE },
4538 { FUNC(os_version), CFG_CHANGED_OS_VERSION },
4539 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS },
4540 { INT_RANGE(wps_cred_processing, 0, 2), 0 },
4541 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION },
4542 #endif /* CONFIG_WPS */
4543 #ifdef CONFIG_P2P
4544 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE },
4545 { INT(p2p_listen_reg_class), CFG_CHANGED_P2P_LISTEN_CHANNEL },
4546 { INT(p2p_listen_channel), CFG_CHANGED_P2P_LISTEN_CHANNEL },
4547 { INT(p2p_oper_reg_class), CFG_CHANGED_P2P_OPER_CHANNEL },
4548 { INT(p2p_oper_channel), CFG_CHANGED_P2P_OPER_CHANNEL },
4549 { INT_RANGE(p2p_go_intent, 0, 15), 0 },
4550 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
4551 { INT_RANGE(persistent_reconnect, 0, 1), 0 },
4552 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
4553 { INT(p2p_group_idle), 0 },
4554 { INT_RANGE(p2p_go_freq_change_policy, 0, P2P_GO_FREQ_MOVE_MAX), 0 },
4555 { INT_RANGE(p2p_passphrase_len, 8, 63),
4556 CFG_CHANGED_P2P_PASSPHRASE_LEN },
4557 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN },
4558 { FUNC(p2p_no_go_freq), CFG_CHANGED_P2P_PREF_CHAN },
4559 { INT_RANGE(p2p_add_cli_chan, 0, 1), 0 },
4560 { INT_RANGE(p2p_optimize_listen_chan, 0, 1), 0 },
4561 { INT(p2p_go_ht40), 0 },
4562 { INT(p2p_go_vht), 0 },
4563 { INT(p2p_disabled), 0 },
4564 { INT_RANGE(p2p_go_ctwindow, 0, 127), 0 },
4565 { INT(p2p_no_group_iface), 0 },
4566 { INT_RANGE(p2p_ignore_shared_freq, 0, 1), 0 },
4567 { IPV4(ip_addr_go), 0 },
4568 { IPV4(ip_addr_mask), 0 },
4569 { IPV4(ip_addr_start), 0 },
4570 { IPV4(ip_addr_end), 0 },
4571 { INT_RANGE(p2p_cli_probe, 0, 1), 0 },
4572 #endif /* CONFIG_P2P */
4573 { FUNC(country), CFG_CHANGED_COUNTRY },
4574 { INT(bss_max_count), 0 },
4575 { INT(bss_expiration_age), 0 },
4576 { INT(bss_expiration_scan_count), 0 },
4577 { INT_RANGE(filter_ssids, 0, 1), 0 },
4578 { INT_RANGE(filter_rssi, -100, 0), 0 },
4579 { INT(max_num_sta), 0 },
4580 { INT_RANGE(disassoc_low_ack, 0, 1), 0 },
4581 #ifdef CONFIG_HS20
4582 { INT_RANGE(hs20, 0, 1), 0 },
4583 #endif /* CONFIG_HS20 */
4584 { INT_RANGE(interworking, 0, 1), 0 },
4585 { FUNC(hessid), 0 },
4586 { INT_RANGE(access_network_type, 0, 15), 0 },
4587 { INT_RANGE(go_interworking, 0, 1), 0 },
4588 { INT_RANGE(go_access_network_type, 0, 15), 0 },
4589 { INT_RANGE(go_internet, 0, 1), 0 },
4590 { INT_RANGE(go_venue_group, 0, 255), 0 },
4591 { INT_RANGE(go_venue_type, 0, 255), 0 },
4592 { INT_RANGE(pbc_in_m1, 0, 1), 0 },
4593 { STR(autoscan), 0 },
4594 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff),
4595 CFG_CHANGED_NFC_PASSWORD_TOKEN },
4596 { BIN(wps_nfc_dh_pubkey), CFG_CHANGED_NFC_PASSWORD_TOKEN },
4597 { BIN(wps_nfc_dh_privkey), CFG_CHANGED_NFC_PASSWORD_TOKEN },
4598 { BIN(wps_nfc_dev_pw), CFG_CHANGED_NFC_PASSWORD_TOKEN },
4599 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND },
4600 { INT(p2p_go_max_inactivity), 0 },
4601 { INT_RANGE(auto_interworking, 0, 1), 0 },
4602 { INT(okc), 0 },
4603 { INT(pmf), 0 },
4604 { FUNC(sae_groups), 0 },
4605 { INT(dtim_period), 0 },
4606 { INT(beacon_int), 0 },
4607 { FUNC(ap_vendor_elements), 0 },
4608 { INT_RANGE(ignore_old_scan_res, 0, 1), 0 },
4609 { FUNC(freq_list), 0 },
4610 { INT(scan_cur_freq), 0 },
4611 { INT(sched_scan_interval), 0 },
4612 { INT(sched_scan_start_delay), 0 },
4613 { INT(tdls_external_control), 0},
4614 { STR(osu_dir), 0 },
4615 { STR(wowlan_triggers), CFG_CHANGED_WOWLAN_TRIGGERS },
4616 { INT(p2p_search_delay), 0},
4617 { INT(mac_addr), 0 },
4618 { INT(rand_addr_lifetime), 0 },
4619 { INT(preassoc_mac_addr), 0 },
4620 { INT(key_mgmt_offload), 0},
4621 { INT(passive_scan), 0 },
4622 { INT(reassoc_same_bss_optim), 0 },
4623 { INT(wps_priority), 0},
4624 #ifdef CONFIG_FST
4625 { STR_RANGE(fst_group_id, 1, FST_MAX_GROUP_ID_LEN), 0 },
4626 { INT_RANGE(fst_priority, 1, FST_MAX_PRIO_VALUE), 0 },
4627 { INT_RANGE(fst_llt, 1, FST_MAX_LLT_MS), 0 },
4628 #endif /* CONFIG_FST */
4629 { INT_RANGE(cert_in_cb, 0, 1), 0 },
4630 { INT_RANGE(wpa_rsc_relaxation, 0, 1), 0 },
4631 { STR(sched_scan_plans), CFG_CHANGED_SCHED_SCAN_PLANS },
4632 #ifdef CONFIG_MBO
4633 { STR(non_pref_chan), 0 },
4634 { INT_RANGE(mbo_cell_capa, MBO_CELL_CAPA_AVAILABLE,
4635 MBO_CELL_CAPA_NOT_SUPPORTED), 0 },
4636 { INT_RANGE(disassoc_imminent_rssi_threshold, -120, 0), 0 },
4637 { INT_RANGE(oce, 0, 3), 0 },
4638 #endif /* CONFIG_MBO */
4639 { INT(gas_address3), 0 },
4640 { INT_RANGE(ftm_responder, 0, 1), 0 },
4641 { INT_RANGE(ftm_initiator, 0, 1), 0 },
4642 { INT(gas_rand_addr_lifetime), 0 },
4643 { INT_RANGE(gas_rand_mac_addr, 0, 2), 0 },
4644 { INT_RANGE(dpp_config_processing, 0, 2), 0 },
4645 };
4646
4647 #undef FUNC
4648 #undef _INT
4649 #undef INT
4650 #undef INT_RANGE
4651 #undef _STR
4652 #undef STR
4653 #undef STR_RANGE
4654 #undef BIN
4655 #undef IPV4
4656 #define NUM_GLOBAL_FIELDS ARRAY_SIZE(global_fields)
4657
4658
wpa_config_dump_values(struct wpa_config * config,char * buf,size_t buflen)4659 int wpa_config_dump_values(struct wpa_config *config, char *buf, size_t buflen)
4660 {
4661 int result = 0;
4662 size_t i;
4663
4664 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
4665 const struct global_parse_data *field = &global_fields[i];
4666 int tmp;
4667
4668 if (!field->get)
4669 continue;
4670
4671 tmp = field->get(field->name, config, (long) field->param1,
4672 buf, buflen, 1);
4673 if (tmp < 0)
4674 return -1;
4675 buf += tmp;
4676 buflen -= tmp;
4677 result += tmp;
4678 }
4679 return result;
4680 }
4681
4682
wpa_config_get_value(const char * name,struct wpa_config * config,char * buf,size_t buflen)4683 int wpa_config_get_value(const char *name, struct wpa_config *config,
4684 char *buf, size_t buflen)
4685 {
4686 size_t i;
4687
4688 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
4689 const struct global_parse_data *field = &global_fields[i];
4690
4691 if (os_strcmp(name, field->name) != 0)
4692 continue;
4693 if (!field->get)
4694 break;
4695 return field->get(name, config, (long) field->param1,
4696 buf, buflen, 0);
4697 }
4698
4699 return -1;
4700 }
4701
4702
wpa_config_get_num_global_field_names(void)4703 int wpa_config_get_num_global_field_names(void)
4704 {
4705 return NUM_GLOBAL_FIELDS;
4706 }
4707
4708
wpa_config_get_global_field_name(unsigned int i,int * no_var)4709 const char * wpa_config_get_global_field_name(unsigned int i, int *no_var)
4710 {
4711 if (i >= NUM_GLOBAL_FIELDS)
4712 return NULL;
4713
4714 if (no_var)
4715 *no_var = !global_fields[i].param1;
4716 return global_fields[i].name;
4717 }
4718
4719
wpa_config_process_global(struct wpa_config * config,char * pos,int line)4720 int wpa_config_process_global(struct wpa_config *config, char *pos, int line)
4721 {
4722 size_t i;
4723 int ret = 0;
4724
4725 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
4726 const struct global_parse_data *field = &global_fields[i];
4727 size_t flen = os_strlen(field->name);
4728 if (os_strncmp(pos, field->name, flen) != 0 ||
4729 pos[flen] != '=')
4730 continue;
4731
4732 if (field->parser(field, config, line, pos + flen + 1)) {
4733 wpa_printf(MSG_ERROR, "Line %d: failed to "
4734 "parse '%s'.", line, pos);
4735 ret = -1;
4736 }
4737 if (field->changed_flag == CFG_CHANGED_NFC_PASSWORD_TOKEN)
4738 config->wps_nfc_pw_from_config = 1;
4739 config->changed_parameters |= field->changed_flag;
4740 break;
4741 }
4742 if (i == NUM_GLOBAL_FIELDS) {
4743 #ifdef CONFIG_AP
4744 if (os_strncmp(pos, "wmm_ac_", 7) == 0) {
4745 char *tmp = os_strchr(pos, '=');
4746 if (tmp == NULL) {
4747 if (line < 0)
4748 return -1;
4749 wpa_printf(MSG_ERROR, "Line %d: invalid line "
4750 "'%s'", line, pos);
4751 return -1;
4752 }
4753 *tmp++ = '\0';
4754 if (hostapd_config_wmm_ac(config->wmm_ac_params, pos,
4755 tmp)) {
4756 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
4757 "AC item", line);
4758 return -1;
4759 }
4760 }
4761 #endif /* CONFIG_AP */
4762 if (line < 0)
4763 return -1;
4764 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",
4765 line, pos);
4766 ret = -1;
4767 }
4768
4769 return ret;
4770 }
4771