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[thirdparty/hostap.git] / wpa_supplicant / config.c
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6fc6879b
JM		 1/*
2 * WPA Supplicant / Configuration parser and common functions
f64adcd7 3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
6fc6879b 4 *
0f3d578e
JM		 5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
6fc6879b
JM		 7 */
8
9#include "includes.h"
10
11#include "common.h"
121adf9c 12#include "utils/uuid.h"
25ef8529 13#include "utils/ip_addr.h"
03da66bd 14#include "crypto/sha1.h"
3acb5005 15#include "rsn_supp/wpa.h"
6fc6879b 16#include "eap_peer/eap.h"
21d996f7 17#include "p2p/p2p.h"
6fc6879b
JM		 18#include "config.h"
19
20
21#if !defined(CONFIG_CTRL_IFACE) && defined(CONFIG_NO_CONFIG_WRITE)
22#define NO_CONFIG_WRITE
23#endif
24
25/*
26 * Structure for network configuration parsing. This data is used to implement
27 * a generic parser for each network block variable. The table of configuration
28 * variables is defined below in this file (ssid_fields[]).
29 */
30struct parse_data {
31 /* Configuration variable name */
32 char *name;
33
34 /* Parser function for this variable */
35 int (*parser)(const struct parse_data *data, struct wpa_ssid *ssid,
36 int line, const char *value);
37
38#ifndef NO_CONFIG_WRITE
39 /* Writer function (i.e., to get the variable in text format from
40 * internal presentation). */
41 char * (*writer)(const struct parse_data *data, struct wpa_ssid *ssid);
42#endif /* NO_CONFIG_WRITE */
43
44 /* Variable specific parameters for the parser. */
45 void *param1, *param2, *param3, *param4;
46
47 /* 0 = this variable can be included in debug output and ctrl_iface
48 * 1 = this variable contains key/private data and it must not be
49 * included in debug output unless explicitly requested. In
50 * addition, this variable will not be readable through the
51 * ctrl_iface.
52 */
53 int key_data;
54};
55
56
6fc6879b
JM		 57static int wpa_config_parse_str(const struct parse_data *data,
58 struct wpa_ssid *ssid,
59 int line, const char *value)
60{
61 size_t res_len, *dst_len;
62 char **dst, *tmp;
63
b56c0546
JM		 64 if (os_strcmp(value, "NULL") == 0) {
65 wpa_printf(MSG_DEBUG, "Unset configuration string '%s'",
66 data->name);
67 tmp = NULL;
68 res_len = 0;
69 goto set;
70 }
71
6fc6879b
JM		 72 tmp = wpa_config_parse_string(value, &res_len);
73 if (tmp == NULL) {
74 wpa_printf(MSG_ERROR, "Line %d: failed to parse %s '%s'.",
75 line, data->name,
76 data->key_data ? "[KEY DATA REMOVED]" : value);
77 return -1;
78 }
79
80 if (data->key_data) {
81 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
82 (u8 *) tmp, res_len);
83 } else {
84 wpa_hexdump_ascii(MSG_MSGDUMP, data->name,
85 (u8 *) tmp, res_len);
86 }
87
88 if (data->param3 && res_len < (size_t) data->param3) {
89 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
90 "min_len=%ld)", line, data->name,
91 (unsigned long) res_len, (long) data->param3);
92 os_free(tmp);
93 return -1;
94 }
95
96 if (data->param4 && res_len > (size_t) data->param4) {
97 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
98 "max_len=%ld)", line, data->name,
99 (unsigned long) res_len, (long) data->param4);
100 os_free(tmp);
101 return -1;
102 }
103
b56c0546 104set:
6fc6879b
JM		 105 dst = (char **) (((u8 *) ssid) + (long) data->param1);
106 dst_len = (size_t *) (((u8 *) ssid) + (long) data->param2);
107 os_free(*dst);
108 *dst = tmp;
109 if (data->param2)
110 *dst_len = res_len;
111
112 return 0;
113}
114
115
116#ifndef NO_CONFIG_WRITE
6fc6879b
JM		 117static char * wpa_config_write_string_ascii(const u8 *value, size_t len)
118{
119 char *buf;
120
121 buf = os_malloc(len + 3);
122 if (buf == NULL)
123 return NULL;
124 buf[0] = '"';
125 os_memcpy(buf + 1, value, len);
126 buf[len + 1] = '"';
127 buf[len + 2] = '\0';
128
129 return buf;
130}
131
132
133static char * wpa_config_write_string_hex(const u8 *value, size_t len)
134{
135 char *buf;
136
137 buf = os_zalloc(2 * len + 1);
138 if (buf == NULL)
139 return NULL;
140 wpa_snprintf_hex(buf, 2 * len + 1, value, len);
141
142 return buf;
143}
144
145
146static char * wpa_config_write_string(const u8 *value, size_t len)
147{
148 if (value == NULL)
149 return NULL;
150
151 if (is_hex(value, len))
152 return wpa_config_write_string_hex(value, len);
153 else
154 return wpa_config_write_string_ascii(value, len);
155}
156
157
158static char * wpa_config_write_str(const struct parse_data *data,
159 struct wpa_ssid *ssid)
160{
161 size_t len;
162 char **src;
163
164 src = (char **) (((u8 *) ssid) + (long) data->param1);
165 if (*src == NULL)
166 return NULL;
167
168 if (data->param2)
169 len = *((size_t *) (((u8 *) ssid) + (long) data->param2));
170 else
171 len = os_strlen(*src);
172
173 return wpa_config_write_string((const u8 *) *src, len);
174}
175#endif /* NO_CONFIG_WRITE */
176
177
178static int wpa_config_parse_int(const struct parse_data *data,
179 struct wpa_ssid *ssid,
180 int line, const char *value)
181{
eae3a584
JB		 182 int val, *dst;
183 char *end;
6fc6879b
JM		 184
185 dst = (int *) (((u8 *) ssid) + (long) data->param1);
eae3a584
JB		 186 val = strtol(value, &end, 0);
187 if (*end) {
188 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"",
189 line, value);
190 return -1;
191 }
192 *dst = val;
6fc6879b
JM		 193 wpa_printf(MSG_MSGDUMP, "%s=%d (0x%x)", data->name, *dst, *dst);
194
195 if (data->param3 && *dst < (long) data->param3) {
196 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
197 "min_value=%ld)", line, data->name, *dst,
198 (long) data->param3);
199 *dst = (long) data->param3;
200 return -1;
201 }
202
203 if (data->param4 && *dst > (long) data->param4) {
204 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
205 "max_value=%ld)", line, data->name, *dst,
206 (long) data->param4);
207 *dst = (long) data->param4;
208 return -1;
209 }
210
211 return 0;
212}
213
214
215#ifndef NO_CONFIG_WRITE
216static char * wpa_config_write_int(const struct parse_data *data,
217 struct wpa_ssid *ssid)
218{
219 int *src, res;
220 char *value;
221
222 src = (int *) (((u8 *) ssid) + (long) data->param1);
223
224 value = os_malloc(20);
225 if (value == NULL)
226 return NULL;
227 res = os_snprintf(value, 20, "%d", *src);
228 if (res < 0 || res >= 20) {
229 os_free(value);
230 return NULL;
231 }
232 value[20 - 1] = '\0';
233 return value;
234}
235#endif /* NO_CONFIG_WRITE */
236
237
238static int wpa_config_parse_bssid(const struct parse_data *data,
239 struct wpa_ssid *ssid, int line,
240 const char *value)
241{
c0a321c5
WJL		 242 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
243 os_strcmp(value, "any") == 0) {
244 ssid->bssid_set = 0;
245 wpa_printf(MSG_MSGDUMP, "BSSID any");
246 return 0;
247 }
6fc6879b
JM		 248 if (hwaddr_aton(value, ssid->bssid)) {
249 wpa_printf(MSG_ERROR, "Line %d: Invalid BSSID '%s'.",
250 line, value);
251 return -1;
252 }
253 ssid->bssid_set = 1;
254 wpa_hexdump(MSG_MSGDUMP, "BSSID", ssid->bssid, ETH_ALEN);
255 return 0;
256}
257
258
259#ifndef NO_CONFIG_WRITE
260static char * wpa_config_write_bssid(const struct parse_data *data,
261 struct wpa_ssid *ssid)
262{
263 char *value;
264 int res;
265
266 if (!ssid->bssid_set)
267 return NULL;
268
269 value = os_malloc(20);
270 if (value == NULL)
271 return NULL;
272 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->bssid));
273 if (res < 0 || res >= 20) {
274 os_free(value);
275 return NULL;
276 }
277 value[20 - 1] = '\0';
278 return value;
279}
280#endif /* NO_CONFIG_WRITE */
281
282
283static int wpa_config_parse_psk(const struct parse_data *data,
284 struct wpa_ssid *ssid, int line,
285 const char *value)
286{
9173b16f
JM		 287#ifdef CONFIG_EXT_PASSWORD
288 if (os_strncmp(value, "ext:", 4) == 0) {
289 os_free(ssid->passphrase);
290 ssid->passphrase = NULL;
291 ssid->psk_set = 0;
292 os_free(ssid->ext_psk);
293 ssid->ext_psk = os_strdup(value + 4);
294 if (ssid->ext_psk == NULL)
295 return -1;
296 wpa_printf(MSG_DEBUG, "PSK: External password '%s'",
297 ssid->ext_psk);
298 return 0;
299 }
300#endif /* CONFIG_EXT_PASSWORD */
301
6fc6879b
JM		 302 if (*value == '"') {
303#ifndef CONFIG_NO_PBKDF2
304 const char *pos;
305 size_t len;
306
307 value++;
308 pos = os_strrchr(value, '"');
309 if (pos)
310 len = pos - value;
311 else
312 len = os_strlen(value);
313 if (len < 8 || len > 63) {
314 wpa_printf(MSG_ERROR, "Line %d: Invalid passphrase "
315 "length %lu (expected: 8..63) '%s'.",
316 line, (unsigned long) len, value);
317 return -1;
318 }
319 wpa_hexdump_ascii_key(MSG_MSGDUMP, "PSK (ASCII passphrase)",
320 (u8 *) value, len);
321 if (ssid->passphrase && os_strlen(ssid->passphrase) == len &&
322 os_memcmp(ssid->passphrase, value, len) == 0)
323 return 0;
324 ssid->psk_set = 0;
325 os_free(ssid->passphrase);
5e24dc8a 326 ssid->passphrase = dup_binstr(value, len);
6fc6879b
JM		 327 if (ssid->passphrase == NULL)
328 return -1;
6fc6879b
JM		 329 return 0;
330#else /* CONFIG_NO_PBKDF2 */
331 wpa_printf(MSG_ERROR, "Line %d: ASCII passphrase not "
332 "supported.", line);
333 return -1;
334#endif /* CONFIG_NO_PBKDF2 */
335 }
336
337 if (hexstr2bin(value, ssid->psk, PMK_LEN) ||
338 value[PMK_LEN * 2] != '\0') {
339 wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
340 line, value);
341 return -1;
342 }
343
344 os_free(ssid->passphrase);
345 ssid->passphrase = NULL;
346
347 ssid->psk_set = 1;
348 wpa_hexdump_key(MSG_MSGDUMP, "PSK", ssid->psk, PMK_LEN);
349 return 0;
350}
351
352
353#ifndef NO_CONFIG_WRITE
354static char * wpa_config_write_psk(const struct parse_data *data,
355 struct wpa_ssid *ssid)
356{
9173b16f
JM		 357#ifdef CONFIG_EXT_PASSWORD
358 if (ssid->ext_psk) {
359 size_t len = 4 + os_strlen(ssid->ext_psk) + 1;
360 char *buf = os_malloc(len);
361 if (buf == NULL)
362 return NULL;
363 os_snprintf(buf, len, "ext:%s", ssid->ext_psk);
364 return buf;
365 }
366#endif /* CONFIG_EXT_PASSWORD */
367
6fc6879b
JM		 368 if (ssid->passphrase)
369 return wpa_config_write_string_ascii(
370 (const u8 *) ssid->passphrase,
371 os_strlen(ssid->passphrase));
372
373 if (ssid->psk_set)
374 return wpa_config_write_string_hex(ssid->psk, PMK_LEN);
375
376 return NULL;
377}
378#endif /* NO_CONFIG_WRITE */
379
380
381static int wpa_config_parse_proto(const struct parse_data *data,
382 struct wpa_ssid *ssid, int line,
383 const char *value)
384{
385 int val = 0, last, errors = 0;
386 char *start, *end, *buf;
387
388 buf = os_strdup(value);
389 if (buf == NULL)
390 return -1;
391 start = buf;
392
393 while (*start != '\0') {
394 while (*start == ' ' || *start == '\t')
395 start++;
396 if (*start == '\0')
397 break;
398 end = start;
399 while (*end != ' ' && *end != '\t' && *end != '\0')
400 end++;
401 last = *end == '\0';
402 *end = '\0';
403 if (os_strcmp(start, "WPA") == 0)
404 val |= WPA_PROTO_WPA;
405 else if (os_strcmp(start, "RSN") == 0 ||
406 os_strcmp(start, "WPA2") == 0)
407 val |= WPA_PROTO_RSN;
df0f01d9
JM		 408 else if (os_strcmp(start, "OSEN") == 0)
409 val |= WPA_PROTO_OSEN;
6fc6879b
JM		 410 else {
411 wpa_printf(MSG_ERROR, "Line %d: invalid proto '%s'",
412 line, start);
413 errors++;
414 }
415
416 if (last)
417 break;
418 start = end + 1;
419 }
420 os_free(buf);
421
422 if (val == 0) {
423 wpa_printf(MSG_ERROR,
424 "Line %d: no proto values configured.", line);
425 errors++;
426 }
427
428 wpa_printf(MSG_MSGDUMP, "proto: 0x%x", val);
429 ssid->proto = val;
430 return errors ? -1 : 0;
431}
432
433
434#ifndef NO_CONFIG_WRITE
435static char * wpa_config_write_proto(const struct parse_data *data,
436 struct wpa_ssid *ssid)
437{
438 int first = 1, ret;
439 char *buf, *pos, *end;
440
3141b82c 441 pos = buf = os_zalloc(20);
6fc6879b
JM		 442 if (buf == NULL)
443 return NULL;
3141b82c 444 end = buf + 20;
6fc6879b
JM		 445
446 if (ssid->proto & WPA_PROTO_WPA) {
447 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
448 if (ret < 0 || ret >= end - pos)
449 return buf;
450 pos += ret;
451 first = 0;
452 }
453
454 if (ssid->proto & WPA_PROTO_RSN) {
455 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
456 if (ret < 0 || ret >= end - pos)
457 return buf;
458 pos += ret;
459 first = 0;
460 }
461
3141b82c
JM		 462 if (ssid->proto & WPA_PROTO_OSEN) {
463 ret = os_snprintf(pos, end - pos, "%sOSEN", first ? "" : " ");
464 if (ret < 0 || ret >= end - pos)
465 return buf;
466 pos += ret;
467 first = 0;
468 }
469
6fc6879b
JM		 470 return buf;
471}
472#endif /* NO_CONFIG_WRITE */
473
474
475static int wpa_config_parse_key_mgmt(const struct parse_data *data,
476 struct wpa_ssid *ssid, int line,
477 const char *value)
478{
479 int val = 0, last, errors = 0;
480 char *start, *end, *buf;
481
482 buf = os_strdup(value);
483 if (buf == NULL)
484 return -1;
485 start = buf;
486
487 while (*start != '\0') {
488 while (*start == ' ' || *start == '\t')
489 start++;
490 if (*start == '\0')
491 break;
492 end = start;
493 while (*end != ' ' && *end != '\t' && *end != '\0')
494 end++;
495 last = *end == '\0';
496 *end = '\0';
497 if (os_strcmp(start, "WPA-PSK") == 0)
498 val |= WPA_KEY_MGMT_PSK;
499 else if (os_strcmp(start, "WPA-EAP") == 0)
500 val |= WPA_KEY_MGMT_IEEE8021X;
501 else if (os_strcmp(start, "IEEE8021X") == 0)
502 val |= WPA_KEY_MGMT_IEEE8021X_NO_WPA;
503 else if (os_strcmp(start, "NONE") == 0)
504 val |= WPA_KEY_MGMT_NONE;
505 else if (os_strcmp(start, "WPA-NONE") == 0)
506 val |= WPA_KEY_MGMT_WPA_NONE;
507#ifdef CONFIG_IEEE80211R
508 else if (os_strcmp(start, "FT-PSK") == 0)
509 val |= WPA_KEY_MGMT_FT_PSK;
510 else if (os_strcmp(start, "FT-EAP") == 0)
511 val |= WPA_KEY_MGMT_FT_IEEE8021X;
512#endif /* CONFIG_IEEE80211R */
56586197
JM		 513#ifdef CONFIG_IEEE80211W
514 else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
515 val |= WPA_KEY_MGMT_PSK_SHA256;
516 else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
517 val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
518#endif /* CONFIG_IEEE80211W */
ad08c363
JM		 519#ifdef CONFIG_WPS
520 else if (os_strcmp(start, "WPS") == 0)
521 val |= WPA_KEY_MGMT_WPS;
522#endif /* CONFIG_WPS */
c10347f2
JM		 523#ifdef CONFIG_SAE
524 else if (os_strcmp(start, "SAE") == 0)
525 val |= WPA_KEY_MGMT_SAE;
526 else if (os_strcmp(start, "FT-SAE") == 0)
527 val |= WPA_KEY_MGMT_FT_SAE;
528#endif /* CONFIG_SAE */
df0f01d9
JM		 529#ifdef CONFIG_HS20
530 else if (os_strcmp(start, "OSEN") == 0)
531 val |= WPA_KEY_MGMT_OSEN;
532#endif /* CONFIG_HS20 */
6fc6879b
JM		 533 else {
534 wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
535 line, start);
536 errors++;
537 }
538
539 if (last)
540 break;
541 start = end + 1;
542 }
543 os_free(buf);
544
545 if (val == 0) {
546 wpa_printf(MSG_ERROR,
547 "Line %d: no key_mgmt values configured.", line);
548 errors++;
549 }
550
551 wpa_printf(MSG_MSGDUMP, "key_mgmt: 0x%x", val);
552 ssid->key_mgmt = val;
553 return errors ? -1 : 0;
554}
555
556
557#ifndef NO_CONFIG_WRITE
558static char * wpa_config_write_key_mgmt(const struct parse_data *data,
559 struct wpa_ssid *ssid)
560{
561 char *buf, *pos, *end;
562 int ret;
563
50793929 564 pos = buf = os_zalloc(100);
6fc6879b
JM		 565 if (buf == NULL)
566 return NULL;
50793929 567 end = buf + 100;
6fc6879b
JM		 568
569 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
570 ret = os_snprintf(pos, end - pos, "%sWPA-PSK",
571 pos == buf ? "" : " ");
572 if (ret < 0 || ret >= end - pos) {
573 end[-1] = '\0';
574 return buf;
575 }
576 pos += ret;
577 }
578
579 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
580 ret = os_snprintf(pos, end - pos, "%sWPA-EAP",
581 pos == buf ? "" : " ");
582 if (ret < 0 || ret >= end - pos) {
583 end[-1] = '\0';
584 return buf;
585 }
586 pos += ret;
587 }
588
589 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
590 ret = os_snprintf(pos, end - pos, "%sIEEE8021X",
591 pos == buf ? "" : " ");
592 if (ret < 0 || ret >= end - pos) {
593 end[-1] = '\0';
594 return buf;
595 }
596 pos += ret;
597 }
598
599 if (ssid->key_mgmt & WPA_KEY_MGMT_NONE) {
600 ret = os_snprintf(pos, end - pos, "%sNONE",
601 pos == buf ? "" : " ");
602 if (ret < 0 || ret >= end - pos) {
603 end[-1] = '\0';
604 return buf;
605 }
606 pos += ret;
607 }
608
609 if (ssid->key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
610 ret = os_snprintf(pos, end - pos, "%sWPA-NONE",
611 pos == buf ? "" : " ");
612 if (ret < 0 || ret >= end - pos) {
613 end[-1] = '\0';
614 return buf;
615 }
616 pos += ret;
617 }
618
619#ifdef CONFIG_IEEE80211R
50793929
PF		 620 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_PSK) {
621 ret = os_snprintf(pos, end - pos, "%sFT-PSK",
622 pos == buf ? "" : " ");
623 if (ret < 0 || ret >= end - pos) {
624 end[-1] = '\0';
625 return buf;
626 }
627 pos += ret;
628 }
6fc6879b 629
50793929
PF		 630 if (ssid->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
631 ret = os_snprintf(pos, end - pos, "%sFT-EAP",
632 pos == buf ? "" : " ");
633 if (ret < 0 || ret >= end - pos) {
634 end[-1] = '\0';
635 return buf;
636 }
637 pos += ret;
638 }
6fc6879b
JM		 639#endif /* CONFIG_IEEE80211R */
640
56586197 641#ifdef CONFIG_IEEE80211W
50793929
PF		 642 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
643 ret = os_snprintf(pos, end - pos, "%sWPA-PSK-SHA256",
644 pos == buf ? "" : " ");
645 if (ret < 0 || ret >= end - pos) {
646 end[-1] = '\0';
647 return buf;
648 }
649 pos += ret;
650 }
56586197 651
50793929
PF		 652 if (ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
653 ret = os_snprintf(pos, end - pos, "%sWPA-EAP-SHA256",
654 pos == buf ? "" : " ");
655 if (ret < 0 || ret >= end - pos) {
656 end[-1] = '\0';
657 return buf;
658 }
659 pos += ret;
660 }
56586197
JM		 661#endif /* CONFIG_IEEE80211W */
662
728fae16 663#ifdef CONFIG_WPS
50793929
PF		 664 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
665 ret = os_snprintf(pos, end - pos, "%sWPS",
666 pos == buf ? "" : " ");
667 if (ret < 0 || ret >= end - pos) {
668 end[-1] = '\0';
669 return buf;
670 }
671 pos += ret;
672 }
728fae16
JM		 673#endif /* CONFIG_WPS */
674
6fc6879b
JM		 675 return buf;
676}
677#endif /* NO_CONFIG_WRITE */
678
679
680static int wpa_config_parse_cipher(int line, const char *value)
681{
a39c78be
JM		 682 int val = wpa_parse_cipher(value);
683 if (val < 0) {
684 wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
685 line, value);
6fc6879b 686 return -1;
6fc6879b 687 }
6fc6879b
JM		 688 if (val == 0) {
689 wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
690 line);
691 return -1;
692 }
693 return val;
694}
695
696
697#ifndef NO_CONFIG_WRITE
698static char * wpa_config_write_cipher(int cipher)
699{
0282a8c4 700 char *buf = os_zalloc(50);
6fc6879b
JM		 701 if (buf == NULL)
702 return NULL;
6fc6879b 703
0282a8c4
JM		 704 if (wpa_write_ciphers(buf, buf + 50, cipher, " ") < 0) {
705 os_free(buf);
706 return NULL;
6fc6879b
JM		 707 }
708
709 return buf;
710}
711#endif /* NO_CONFIG_WRITE */
712
713
714static int wpa_config_parse_pairwise(const struct parse_data *data,
715 struct wpa_ssid *ssid, int line,
716 const char *value)
717{
718 int val;
719 val = wpa_config_parse_cipher(line, value);
720 if (val == -1)
721 return -1;
03145326 722 if (val & ~WPA_ALLOWED_PAIRWISE_CIPHERS) {
6fc6879b
JM		 723 wpa_printf(MSG_ERROR, "Line %d: not allowed pairwise cipher "
724 "(0x%x).", line, val);
725 return -1;
726 }
727
728 wpa_printf(MSG_MSGDUMP, "pairwise: 0x%x", val);
729 ssid->pairwise_cipher = val;
730 return 0;
731}
732
733
734#ifndef NO_CONFIG_WRITE
735static char * wpa_config_write_pairwise(const struct parse_data *data,
736 struct wpa_ssid *ssid)
737{
738 return wpa_config_write_cipher(ssid->pairwise_cipher);
739}
740#endif /* NO_CONFIG_WRITE */
741
742
743static int wpa_config_parse_group(const struct parse_data *data,
744 struct wpa_ssid *ssid, int line,
745 const char *value)
746{
747 int val;
748 val = wpa_config_parse_cipher(line, value);
749 if (val == -1)
750 return -1;
03145326 751 if (val & ~WPA_ALLOWED_GROUP_CIPHERS) {
6fc6879b
JM		 752 wpa_printf(MSG_ERROR, "Line %d: not allowed group cipher "
753 "(0x%x).", line, val);
754 return -1;
755 }
756
757 wpa_printf(MSG_MSGDUMP, "group: 0x%x", val);
758 ssid->group_cipher = val;
759 return 0;
760}
761
762
763#ifndef NO_CONFIG_WRITE
764static char * wpa_config_write_group(const struct parse_data *data,
765 struct wpa_ssid *ssid)
766{
767 return wpa_config_write_cipher(ssid->group_cipher);
768}
769#endif /* NO_CONFIG_WRITE */
770
771
772static int wpa_config_parse_auth_alg(const struct parse_data *data,
773 struct wpa_ssid *ssid, int line,
774 const char *value)
775{
776 int val = 0, last, errors = 0;
777 char *start, *end, *buf;
778
779 buf = os_strdup(value);
780 if (buf == NULL)
781 return -1;
782 start = buf;
783
784 while (*start != '\0') {
785 while (*start == ' ' || *start == '\t')
786 start++;
787 if (*start == '\0')
788 break;
789 end = start;
790 while (*end != ' ' && *end != '\t' && *end != '\0')
791 end++;
792 last = *end == '\0';
793 *end = '\0';
794 if (os_strcmp(start, "OPEN") == 0)
795 val |= WPA_AUTH_ALG_OPEN;
796 else if (os_strcmp(start, "SHARED") == 0)
797 val |= WPA_AUTH_ALG_SHARED;
798 else if (os_strcmp(start, "LEAP") == 0)
799 val |= WPA_AUTH_ALG_LEAP;
800 else {
801 wpa_printf(MSG_ERROR, "Line %d: invalid auth_alg '%s'",
802 line, start);
803 errors++;
804 }
805
806 if (last)
807 break;
808 start = end + 1;
809 }
810 os_free(buf);
811
812 if (val == 0) {
813 wpa_printf(MSG_ERROR,
814 "Line %d: no auth_alg values configured.", line);
815 errors++;
816 }
817
818 wpa_printf(MSG_MSGDUMP, "auth_alg: 0x%x", val);
819 ssid->auth_alg = val;
820 return errors ? -1 : 0;
821}
822
823
824#ifndef NO_CONFIG_WRITE
825static char * wpa_config_write_auth_alg(const struct parse_data *data,
826 struct wpa_ssid *ssid)
827{
828 char *buf, *pos, *end;
829 int ret;
830
831 pos = buf = os_zalloc(30);
832 if (buf == NULL)
833 return NULL;
834 end = buf + 30;
835
836 if (ssid->auth_alg & WPA_AUTH_ALG_OPEN) {
837 ret = os_snprintf(pos, end - pos, "%sOPEN",
838 pos == buf ? "" : " ");
839 if (ret < 0 || ret >= end - pos) {
840 end[-1] = '\0';
841 return buf;
842 }
843 pos += ret;
844 }
845
846 if (ssid->auth_alg & WPA_AUTH_ALG_SHARED) {
847 ret = os_snprintf(pos, end - pos, "%sSHARED",
848 pos == buf ? "" : " ");
849 if (ret < 0 || ret >= end - pos) {
850 end[-1] = '\0';
851 return buf;
852 }
853 pos += ret;
854 }
855
856 if (ssid->auth_alg & WPA_AUTH_ALG_LEAP) {
857 ret = os_snprintf(pos, end - pos, "%sLEAP",
858 pos == buf ? "" : " ");
859 if (ret < 0 || ret >= end - pos) {
860 end[-1] = '\0';
861 return buf;
862 }
863 pos += ret;
864 }
865
866 return buf;
867}
868#endif /* NO_CONFIG_WRITE */
869
870
625f202a 871static int * wpa_config_parse_int_array(const char *value)
d3a98225
JM		 872{
873 int *freqs;
874 size_t used, len;
875 const char *pos;
876
877 used = 0;
878 len = 10;
f9884c09 879 freqs = os_calloc(len + 1, sizeof(int));
d3a98225 880 if (freqs == NULL)
b766a9a2 881 return NULL;
d3a98225
JM		 882
883 pos = value;
884 while (pos) {
885 while (*pos == ' ')
886 pos++;
887 if (used == len) {
888 int *n;
889 size_t i;
067ffa26 890 n = os_realloc_array(freqs, len * 2 + 1, sizeof(int));
d3a98225
JM		 891 if (n == NULL) {
892 os_free(freqs);
b766a9a2 893 return NULL;
d3a98225
JM		 894 }
895 for (i = len; i <= len * 2; i++)
896 n[i] = 0;
897 freqs = n;
898 len *= 2;
899 }
900
901 freqs[used] = atoi(pos);
902 if (freqs[used] == 0)
903 break;
904 used++;
905 pos = os_strchr(pos + 1, ' ');
906 }
907
b766a9a2
JM		 908 return freqs;
909}
910
911
912static int wpa_config_parse_scan_freq(const struct parse_data *data,
913 struct wpa_ssid *ssid, int line,
914 const char *value)
915{
916 int *freqs;
917
625f202a 918 freqs = wpa_config_parse_int_array(value);
b766a9a2
JM		 919 if (freqs == NULL)
920 return -1;
6668efda
JM		 921 if (freqs[0] == 0) {
922 os_free(freqs);
923 freqs = NULL;
924 }
d3a98225
JM		 925 os_free(ssid->scan_freq);
926 ssid->scan_freq = freqs;
927
928 return 0;
929}
930
931
b766a9a2
JM		 932static int wpa_config_parse_freq_list(const struct parse_data *data,
933 struct wpa_ssid *ssid, int line,
934 const char *value)
935{
936 int *freqs;
937
625f202a 938 freqs = wpa_config_parse_int_array(value);
b766a9a2
JM		 939 if (freqs == NULL)
940 return -1;
6668efda
JM		 941 if (freqs[0] == 0) {
942 os_free(freqs);
943 freqs = NULL;
944 }
b766a9a2
JM		 945 os_free(ssid->freq_list);
946 ssid->freq_list = freqs;
947
948 return 0;
949}
950
951
d3a98225 952#ifndef NO_CONFIG_WRITE
b766a9a2
JM		 953static char * wpa_config_write_freqs(const struct parse_data *data,
954 const int *freqs)
d3a98225
JM		 955{
956 char *buf, *pos, *end;
957 int i, ret;
958 size_t count;
959
b766a9a2 960 if (freqs == NULL)
d3a98225
JM		 961 return NULL;
962
963 count = 0;
b766a9a2 964 for (i = 0; freqs[i]; i++)
d3a98225
JM		 965 count++;
966
967 pos = buf = os_zalloc(10 * count + 1);
968 if (buf == NULL)
969 return NULL;
970 end = buf + 10 * count + 1;
971
b766a9a2 972 for (i = 0; freqs[i]; i++) {
d3a98225 973 ret = os_snprintf(pos, end - pos, "%s%u",
b766a9a2 974 i == 0 ? "" : " ", freqs[i]);
d3a98225
JM		 975 if (ret < 0 || ret >= end - pos) {
976 end[-1] = '\0';
977 return buf;
978 }
979 pos += ret;
980 }
981
982 return buf;
983}
b766a9a2
JM		 984
985
986static char * wpa_config_write_scan_freq(const struct parse_data *data,
987 struct wpa_ssid *ssid)
988{
989 return wpa_config_write_freqs(data, ssid->scan_freq);
990}
991
992
993static char * wpa_config_write_freq_list(const struct parse_data *data,
994 struct wpa_ssid *ssid)
995{
996 return wpa_config_write_freqs(data, ssid->freq_list);
997}
d3a98225
JM		 998#endif /* NO_CONFIG_WRITE */
999
1000
6fc6879b
JM		 1001#ifdef IEEE8021X_EAPOL
1002static int wpa_config_parse_eap(const struct parse_data *data,
1003 struct wpa_ssid *ssid, int line,
1004 const char *value)
1005{
1006 int last, errors = 0;
1007 char *start, *end, *buf;
1008 struct eap_method_type *methods = NULL, *tmp;
1009 size_t num_methods = 0;
1010
1011 buf = os_strdup(value);
1012 if (buf == NULL)
1013 return -1;
1014 start = buf;
1015
1016 while (*start != '\0') {
1017 while (*start == ' ' || *start == '\t')
1018 start++;
1019 if (*start == '\0')
1020 break;
1021 end = start;
1022 while (*end != ' ' && *end != '\t' && *end != '\0')
1023 end++;
1024 last = *end == '\0';
1025 *end = '\0';
1026 tmp = methods;
067ffa26
JM		 1027 methods = os_realloc_array(methods, num_methods + 1,
1028 sizeof(*methods));
6fc6879b
JM		 1029 if (methods == NULL) {
1030 os_free(tmp);
1031 os_free(buf);
1032 return -1;
1033 }
1034 methods[num_methods].method = eap_peer_get_type(
1035 start, &methods[num_methods].vendor);
1036 if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1037 methods[num_methods].method == EAP_TYPE_NONE) {
1038 wpa_printf(MSG_ERROR, "Line %d: unknown EAP method "
1039 "'%s'", line, start);
1040 wpa_printf(MSG_ERROR, "You may need to add support for"
1041 " this EAP method during wpa_supplicant\n"
1042 "build time configuration.\n"
1043 "See README for more information.");
1044 errors++;
1045 } else if (methods[num_methods].vendor == EAP_VENDOR_IETF &&
1046 methods[num_methods].method == EAP_TYPE_LEAP)
1047 ssid->leap++;
1048 else
1049 ssid->non_leap++;
1050 num_methods++;
1051 if (last)
1052 break;
1053 start = end + 1;
1054 }
1055 os_free(buf);
1056
1057 tmp = methods;
067ffa26 1058 methods = os_realloc_array(methods, num_methods + 1, sizeof(*methods));
6fc6879b
JM		 1059 if (methods == NULL) {
1060 os_free(tmp);
1061 return -1;
1062 }
1063 methods[num_methods].vendor = EAP_VENDOR_IETF;
1064 methods[num_methods].method = EAP_TYPE_NONE;
1065 num_methods++;
1066
1067 wpa_hexdump(MSG_MSGDUMP, "eap methods",
1068 (u8 *) methods, num_methods * sizeof(*methods));
bb8b1bb0 1069 os_free(ssid->eap.eap_methods);
6fc6879b
JM		 1070 ssid->eap.eap_methods = methods;
1071 return errors ? -1 : 0;
1072}
1073
1074
1075static char * wpa_config_write_eap(const struct parse_data *data,
1076 struct wpa_ssid *ssid)
1077{
1078 int i, ret;
1079 char *buf, *pos, *end;
1080 const struct eap_method_type *eap_methods = ssid->eap.eap_methods;
1081 const char *name;
1082
1083 if (eap_methods == NULL)
1084 return NULL;
1085
1086 pos = buf = os_zalloc(100);
1087 if (buf == NULL)
1088 return NULL;
1089 end = buf + 100;
1090
1091 for (i = 0; eap_methods[i].vendor != EAP_VENDOR_IETF ||
1092 eap_methods[i].method != EAP_TYPE_NONE; i++) {
1093 name = eap_get_name(eap_methods[i].vendor,
1094 eap_methods[i].method);
1095 if (name) {
1096 ret = os_snprintf(pos, end - pos, "%s%s",
1097 pos == buf ? "" : " ", name);
1098 if (ret < 0 || ret >= end - pos)
1099 break;
1100 pos += ret;
1101 }
1102 }
1103
1104 end[-1] = '\0';
1105
1106 return buf;
1107}
1108
1109
1110static int wpa_config_parse_password(const struct parse_data *data,
1111 struct wpa_ssid *ssid, int line,
1112 const char *value)
1113{
1114 u8 *hash;
1115
b56c0546
JM		 1116 if (os_strcmp(value, "NULL") == 0) {
1117 wpa_printf(MSG_DEBUG, "Unset configuration string 'password'");
1118 os_free(ssid->eap.password);
1119 ssid->eap.password = NULL;
1120 ssid->eap.password_len = 0;
1121 return 0;
1122 }
1123
0ebb23e3
JM		 1124#ifdef CONFIG_EXT_PASSWORD
1125 if (os_strncmp(value, "ext:", 4) == 0) {
1126 char *name = os_strdup(value + 4);
1127 if (name == NULL)
1128 return -1;
1129 os_free(ssid->eap.password);
1130 ssid->eap.password = (u8 *) name;
1131 ssid->eap.password_len = os_strlen(name);
1132 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
1133 ssid->eap.flags |= EAP_CONFIG_FLAGS_EXT_PASSWORD;
1134 return 0;
1135 }
1136#endif /* CONFIG_EXT_PASSWORD */
1137
6fc6879b
JM		 1138 if (os_strncmp(value, "hash:", 5) != 0) {
1139 char *tmp;
1140 size_t res_len;
1141
1142 tmp = wpa_config_parse_string(value, &res_len);
1143 if (tmp == NULL) {
1144 wpa_printf(MSG_ERROR, "Line %d: failed to parse "
1145 "password.", line);
1146 return -1;
1147 }
556f5a2a
HS		 1148 wpa_hexdump_ascii_key(MSG_MSGDUMP, data->name,
1149 (u8 *) tmp, res_len);
6fc6879b
JM		 1150
1151 os_free(ssid->eap.password);
1152 ssid->eap.password = (u8 *) tmp;
1153 ssid->eap.password_len = res_len;
1154 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
0ebb23e3 1155 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
6fc6879b
JM		 1156
1157 return 0;
1158 }
1159
1160
1161 /* NtPasswordHash: hash:<32 hex digits> */
1162 if (os_strlen(value + 5) != 2 * 16) {
1163 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash length "
1164 "(expected 32 hex digits)", line);
1165 return -1;
1166 }
1167
1168 hash = os_malloc(16);
1169 if (hash == NULL)
1170 return -1;
1171
1172 if (hexstr2bin(value + 5, hash, 16)) {
1173 os_free(hash);
1174 wpa_printf(MSG_ERROR, "Line %d: Invalid password hash", line);
1175 return -1;
1176 }
1177
1178 wpa_hexdump_key(MSG_MSGDUMP, data->name, hash, 16);
1179
1180 os_free(ssid->eap.password);
1181 ssid->eap.password = hash;
1182 ssid->eap.password_len = 16;
1183 ssid->eap.flags |= EAP_CONFIG_FLAGS_PASSWORD_NTHASH;
0ebb23e3 1184 ssid->eap.flags &= ~EAP_CONFIG_FLAGS_EXT_PASSWORD;
6fc6879b
JM		 1185
1186 return 0;
1187}
1188
1189
1190static char * wpa_config_write_password(const struct parse_data *data,
1191 struct wpa_ssid *ssid)
1192{
1193 char *buf;
1194
1195 if (ssid->eap.password == NULL)
1196 return NULL;
1197
0ebb23e3
JM		 1198#ifdef CONFIG_EXT_PASSWORD
1199 if (ssid->eap.flags & EAP_CONFIG_FLAGS_EXT_PASSWORD) {
1200 buf = os_zalloc(4 + ssid->eap.password_len + 1);
1201 if (buf == NULL)
1202 return NULL;
1203 os_memcpy(buf, "ext:", 4);
1204 os_memcpy(buf + 4, ssid->eap.password, ssid->eap.password_len);
1205 return buf;
1206 }
1207#endif /* CONFIG_EXT_PASSWORD */
1208
6fc6879b
JM		 1209 if (!(ssid->eap.flags & EAP_CONFIG_FLAGS_PASSWORD_NTHASH)) {
1210 return wpa_config_write_string(
1211 ssid->eap.password, ssid->eap.password_len);
1212 }
1213
1214 buf = os_malloc(5 + 32 + 1);
1215 if (buf == NULL)
1216 return NULL;
1217
1218 os_memcpy(buf, "hash:", 5);
1219 wpa_snprintf_hex(buf + 5, 32 + 1, ssid->eap.password, 16);
1220
1221 return buf;
1222}
1223#endif /* IEEE8021X_EAPOL */
1224
1225
1226static int wpa_config_parse_wep_key(u8 *key, size_t *len, int line,
1227 const char *value, int idx)
1228{
1229 char *buf, title[20];
1230 int res;
1231
1232 buf = wpa_config_parse_string(value, len);
1233 if (buf == NULL) {
1234 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key %d '%s'.",
1235 line, idx, value);
1236 return -1;
1237 }
1238 if (*len > MAX_WEP_KEY_LEN) {
1239 wpa_printf(MSG_ERROR, "Line %d: Too long WEP key %d '%s'.",
1240 line, idx, value);
1241 os_free(buf);
1242 return -1;
1243 }
fea7c3a0
JM		 1244 if (*len && *len != 5 && *len != 13 && *len != 16) {
1245 wpa_printf(MSG_ERROR, "Line %d: Invalid WEP key length %u - "
1246 "this network block will be ignored",
1247 line, (unsigned int) *len);
1248 }
6fc6879b
JM		 1249 os_memcpy(key, buf, *len);
1250 os_free(buf);
1251 res = os_snprintf(title, sizeof(title), "wep_key%d", idx);
1252 if (res >= 0 && (size_t) res < sizeof(title))
1253 wpa_hexdump_key(MSG_MSGDUMP, title, key, *len);
1254 return 0;
1255}
1256
1257
1258static int wpa_config_parse_wep_key0(const struct parse_data *data,
1259 struct wpa_ssid *ssid, int line,
1260 const char *value)
1261{
1262 return wpa_config_parse_wep_key(ssid->wep_key[0],
1263 &ssid->wep_key_len[0], line,
1264 value, 0);
1265}
1266
1267
1268static int wpa_config_parse_wep_key1(const struct parse_data *data,
1269 struct wpa_ssid *ssid, int line,
1270 const char *value)
1271{
1272 return wpa_config_parse_wep_key(ssid->wep_key[1],
1273 &ssid->wep_key_len[1], line,
1274 value, 1);
1275}
1276
1277
1278static int wpa_config_parse_wep_key2(const struct parse_data *data,
1279 struct wpa_ssid *ssid, int line,
1280 const char *value)
1281{
1282 return wpa_config_parse_wep_key(ssid->wep_key[2],
1283 &ssid->wep_key_len[2], line,
1284 value, 2);
1285}
1286
1287
1288static int wpa_config_parse_wep_key3(const struct parse_data *data,
1289 struct wpa_ssid *ssid, int line,
1290 const char *value)
1291{
1292 return wpa_config_parse_wep_key(ssid->wep_key[3],
1293 &ssid->wep_key_len[3], line,
1294 value, 3);
1295}
1296
1297
1298#ifndef NO_CONFIG_WRITE
1299static char * wpa_config_write_wep_key(struct wpa_ssid *ssid, int idx)
1300{
1301 if (ssid->wep_key_len[idx] == 0)
1302 return NULL;
1303 return wpa_config_write_string(ssid->wep_key[idx],
1304 ssid->wep_key_len[idx]);
1305}
1306
1307
1308static char * wpa_config_write_wep_key0(const struct parse_data *data,
1309 struct wpa_ssid *ssid)
1310{
1311 return wpa_config_write_wep_key(ssid, 0);
1312}
1313
1314
1315static char * wpa_config_write_wep_key1(const struct parse_data *data,
1316 struct wpa_ssid *ssid)
1317{
1318 return wpa_config_write_wep_key(ssid, 1);
1319}
1320
1321
1322static char * wpa_config_write_wep_key2(const struct parse_data *data,
1323 struct wpa_ssid *ssid)
1324{
1325 return wpa_config_write_wep_key(ssid, 2);
1326}
1327
1328
1329static char * wpa_config_write_wep_key3(const struct parse_data *data,
1330 struct wpa_ssid *ssid)
1331{
1332 return wpa_config_write_wep_key(ssid, 3);
1333}
1334#endif /* NO_CONFIG_WRITE */
1335
1336
fbdcfd57
JM		 1337#ifdef CONFIG_P2P
1338
9ec87666
JM		 1339static int wpa_config_parse_go_p2p_dev_addr(const struct parse_data *data,
1340 struct wpa_ssid *ssid, int line,
1341 const char *value)
1342{
1343 if (value[0] == '\0' || os_strcmp(value, "\"\"") == 0 ||
1344 os_strcmp(value, "any") == 0) {
1345 os_memset(ssid->go_p2p_dev_addr, 0, ETH_ALEN);
1346 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address any");
1347 return 0;
1348 }
1349 if (hwaddr_aton(value, ssid->go_p2p_dev_addr)) {
1350 wpa_printf(MSG_ERROR, "Line %d: Invalid GO P2P Device Address '%s'.",
1351 line, value);
1352 return -1;
1353 }
1354 ssid->bssid_set = 1;
1355 wpa_printf(MSG_MSGDUMP, "GO P2P Device Address " MACSTR,
1356 MAC2STR(ssid->go_p2p_dev_addr));
1357 return 0;
1358}
1359
1360
1361#ifndef NO_CONFIG_WRITE
1362static char * wpa_config_write_go_p2p_dev_addr(const struct parse_data *data,
1363 struct wpa_ssid *ssid)
1364{
1365 char *value;
1366 int res;
1367
1368 if (is_zero_ether_addr(ssid->go_p2p_dev_addr))
1369 return NULL;
1370
1371 value = os_malloc(20);
1372 if (value == NULL)
1373 return NULL;
1374 res = os_snprintf(value, 20, MACSTR, MAC2STR(ssid->go_p2p_dev_addr));
1375 if (res < 0 || res >= 20) {
1376 os_free(value);
1377 return NULL;
1378 }
1379 value[20 - 1] = '\0';
1380 return value;
1381}
1382#endif /* NO_CONFIG_WRITE */
1383
1384
fbdcfd57
JM		 1385static int wpa_config_parse_p2p_client_list(const struct parse_data *data,
1386 struct wpa_ssid *ssid, int line,
1387 const char *value)
1388{
1389 const char *pos;
1390 u8 *buf, *n, addr[ETH_ALEN];
1391 size_t count;
1392
1393 buf = NULL;
1394 count = 0;
1395
1396 pos = value;
1397 while (pos && *pos) {
1398 while (*pos == ' ')
1399 pos++;
1400
1401 if (hwaddr_aton(pos, addr)) {
22316795
JM		 1402 if (count == 0) {
1403 wpa_printf(MSG_ERROR, "Line %d: Invalid "
1404 "p2p_client_list address '%s'.",
1405 line, value);
1406 os_free(buf);
1407 return -1;
1408 }
1409 /* continue anyway since this could have been from a
1410 * truncated configuration file line */
1411 wpa_printf(MSG_INFO, "Line %d: Ignore likely "
1412 "truncated p2p_client_list address '%s'",
1413 line, pos);
fbdcfd57 1414 } else {
067ffa26 1415 n = os_realloc_array(buf, count + 1, ETH_ALEN);
fbdcfd57
JM		 1416 if (n == NULL) {
1417 os_free(buf);
1418 return -1;
1419 }
1420 buf = n;
22316795
JM		 1421 os_memmove(buf + ETH_ALEN, buf, count * ETH_ALEN);
1422 os_memcpy(buf, addr, ETH_ALEN);
fbdcfd57
JM		 1423 count++;
1424 wpa_hexdump(MSG_MSGDUMP, "p2p_client_list",
1425 addr, ETH_ALEN);
1426 }
1427
1428 pos = os_strchr(pos, ' ');
1429 }
1430
1431 os_free(ssid->p2p_client_list);
1432 ssid->p2p_client_list = buf;
1433 ssid->num_p2p_clients = count;
1434
1435 return 0;
1436}
1437
1438
1439#ifndef NO_CONFIG_WRITE
1440static char * wpa_config_write_p2p_client_list(const struct parse_data *data,
1441 struct wpa_ssid *ssid)
1442{
1443 char *value, *end, *pos;
1444 int res;
1445 size_t i;
1446
1447 if (ssid->p2p_client_list == NULL || ssid->num_p2p_clients == 0)
1448 return NULL;
1449
1450 value = os_malloc(20 * ssid->num_p2p_clients);
1451 if (value == NULL)
1452 return NULL;
1453 pos = value;
1454 end = value + 20 * ssid->num_p2p_clients;
1455
22316795 1456 for (i = ssid->num_p2p_clients; i > 0; i--) {
fbdcfd57
JM		 1457 res = os_snprintf(pos, end - pos, MACSTR " ",
1458 MAC2STR(ssid->p2p_client_list +
22316795 1459 (i - 1) * ETH_ALEN));
fbdcfd57
JM		 1460 if (res < 0 || res >= end - pos) {
1461 os_free(value);
1462 return NULL;
1463 }
1464 pos += res;
1465 }
1466
1467 if (pos > value)
1468 pos[-1] = '\0';
1469
1470 return value;
1471}
1472#endif /* NO_CONFIG_WRITE */
1473
01a57fe4
JM		 1474
1475static int wpa_config_parse_psk_list(const struct parse_data *data,
1476 struct wpa_ssid *ssid, int line,
1477 const char *value)
1478{
1479 struct psk_list_entry *p;
1480 const char *pos;
1481
1482 p = os_zalloc(sizeof(*p));
1483 if (p == NULL)
1484 return -1;
1485
1486 pos = value;
1487 if (os_strncmp(pos, "P2P-", 4) == 0) {
1488 p->p2p = 1;
1489 pos += 4;
1490 }
1491
1492 if (hwaddr_aton(pos, p->addr)) {
1493 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list address '%s'",
1494 line, pos);
1495 os_free(p);
1496 return -1;
1497 }
1498 pos += 17;
1499 if (*pos != '-') {
1500 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list '%s'",
1501 line, pos);
1502 os_free(p);
1503 return -1;
1504 }
1505 pos++;
1506
1507 if (hexstr2bin(pos, p->psk, PMK_LEN) || pos[PMK_LEN * 2] != '\0') {
1508 wpa_printf(MSG_ERROR, "Line %d: Invalid psk_list PSK '%s'",
1509 line, pos);
1510 os_free(p);
1511 return -1;
1512 }
1513
1514 dl_list_add(&ssid->psk_list, &p->list);
1515
1516 return 0;
1517}
1518
1519
1520#ifndef NO_CONFIG_WRITE
1521static char * wpa_config_write_psk_list(const struct parse_data *data,
1522 struct wpa_ssid *ssid)
1523{
1524 return NULL;
1525}
1526#endif /* NO_CONFIG_WRITE */
1527
fbdcfd57
JM		 1528#endif /* CONFIG_P2P */
1529
6fc6879b
JM		 1530/* Helper macros for network block parser */
1531
1532#ifdef OFFSET
1533#undef OFFSET
1534#endif /* OFFSET */
1535/* OFFSET: Get offset of a variable within the wpa_ssid structure */
1536#define OFFSET(v) ((void *) &((struct wpa_ssid *) 0)->v)
1537
1538/* STR: Define a string variable for an ASCII string; f = field name */
1539#ifdef NO_CONFIG_WRITE
1540#define _STR(f) #f, wpa_config_parse_str, OFFSET(f)
1541#define _STRe(f) #f, wpa_config_parse_str, OFFSET(eap.f)
1542#else /* NO_CONFIG_WRITE */
1543#define _STR(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(f)
1544#define _STRe(f) #f, wpa_config_parse_str, wpa_config_write_str, OFFSET(eap.f)
1545#endif /* NO_CONFIG_WRITE */
1546#define STR(f) _STR(f), NULL, NULL, NULL, 0
1547#define STRe(f) _STRe(f), NULL, NULL, NULL, 0
1548#define STR_KEY(f) _STR(f), NULL, NULL, NULL, 1
1549#define STR_KEYe(f) _STRe(f), NULL, NULL, NULL, 1
1550
1551/* STR_LEN: Define a string variable with a separate variable for storing the
1552 * data length. Unlike STR(), this can be used to store arbitrary binary data
1553 * (i.e., even nul termination character). */
1554#define _STR_LEN(f) _STR(f), OFFSET(f ## _len)
1555#define _STR_LENe(f) _STRe(f), OFFSET(eap.f ## _len)
1556#define STR_LEN(f) _STR_LEN(f), NULL, NULL, 0
1557#define STR_LENe(f) _STR_LENe(f), NULL, NULL, 0
1558#define STR_LEN_KEY(f) _STR_LEN(f), NULL, NULL, 1
1559
1560/* STR_RANGE: Like STR_LEN(), but with minimum and maximum allowed length
1561 * explicitly specified. */
1562#define _STR_RANGE(f, min, max) _STR_LEN(f), (void *) (min), (void *) (max)
1563#define STR_RANGE(f, min, max) _STR_RANGE(f, min, max), 0
1564#define STR_RANGE_KEY(f, min, max) _STR_RANGE(f, min, max), 1
1565
1566#ifdef NO_CONFIG_WRITE
1567#define _INT(f) #f, wpa_config_parse_int, OFFSET(f), (void *) 0
1568#define _INTe(f) #f, wpa_config_parse_int, OFFSET(eap.f), (void *) 0
1569#else /* NO_CONFIG_WRITE */
1570#define _INT(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1571 OFFSET(f), (void *) 0
1572#define _INTe(f) #f, wpa_config_parse_int, wpa_config_write_int, \
1573 OFFSET(eap.f), (void *) 0
1574#endif /* NO_CONFIG_WRITE */
1575
1576/* INT: Define an integer variable */
1577#define INT(f) _INT(f), NULL, NULL, 0
1578#define INTe(f) _INTe(f), NULL, NULL, 0
1579
1580/* INT_RANGE: Define an integer variable with allowed value range */
1581#define INT_RANGE(f, min, max) _INT(f), (void *) (min), (void *) (max), 0
1582
1583/* FUNC: Define a configuration variable that uses a custom function for
1584 * parsing and writing the value. */
1585#ifdef NO_CONFIG_WRITE
1586#define _FUNC(f) #f, wpa_config_parse_ ## f, NULL, NULL, NULL, NULL
1587#else /* NO_CONFIG_WRITE */
1588#define _FUNC(f) #f, wpa_config_parse_ ## f, wpa_config_write_ ## f, \
1589 NULL, NULL, NULL, NULL
1590#endif /* NO_CONFIG_WRITE */
1591#define FUNC(f) _FUNC(f), 0
1592#define FUNC_KEY(f) _FUNC(f), 1
1593
1594/*
1595 * Table of network configuration variables. This table is used to parse each
1596 * network configuration variable, e.g., each line in wpa_supplicant.conf file
1597 * that is inside a network block.
1598 *
1599 * This table is generated using the helper macros defined above and with
1600 * generous help from the C pre-processor. The field name is stored as a string
1601 * into .name and for STR and INT types, the offset of the target buffer within
1602 * struct wpa_ssid is stored in .param1. .param2 (if not NULL) is similar
1603 * offset to the field containing the length of the configuration variable.
1604 * .param3 and .param4 can be used to mark the allowed range (length for STR
1605 * and value for INT).
1606 *
1607 * For each configuration line in wpa_supplicant.conf, the parser goes through
1608 * this table and select the entry that matches with the field name. The parser
1609 * function (.parser) is then called to parse the actual value of the field.
1610 *
1611 * This kind of mechanism makes it easy to add new configuration parameters,
1612 * since only one line needs to be added into this table and into the
1613 * struct wpa_ssid definition if the new variable is either a string or
1614 * integer. More complex types will need to use their own parser and writer
1615 * functions.
1616 */
1617static const struct parse_data ssid_fields[] = {
1618 { STR_RANGE(ssid, 0, MAX_SSID_LEN) },
1619 { INT_RANGE(scan_ssid, 0, 1) },
1620 { FUNC(bssid) },
1621 { FUNC_KEY(psk) },
1622 { FUNC(proto) },
1623 { FUNC(key_mgmt) },
1f6c0ab8 1624 { INT(bg_scan_period) },
6fc6879b
JM		 1625 { FUNC(pairwise) },
1626 { FUNC(group) },
1627 { FUNC(auth_alg) },
d3a98225 1628 { FUNC(scan_freq) },
b766a9a2 1629 { FUNC(freq_list) },
6fc6879b
JM		 1630#ifdef IEEE8021X_EAPOL
1631 { FUNC(eap) },
1632 { STR_LENe(identity) },
1633 { STR_LENe(anonymous_identity) },
556f5a2a 1634 { FUNC_KEY(password) },
6fc6879b
JM		 1635 { STRe(ca_cert) },
1636 { STRe(ca_path) },
1637 { STRe(client_cert) },
1638 { STRe(private_key) },
1639 { STR_KEYe(private_key_passwd) },
1640 { STRe(dh_file) },
1641 { STRe(subject_match) },
1642 { STRe(altsubject_match) },
01f809c7 1643 { STRe(domain_suffix_match) },
6fc6879b
JM		 1644 { STRe(ca_cert2) },
1645 { STRe(ca_path2) },
1646 { STRe(client_cert2) },
1647 { STRe(private_key2) },
1648 { STR_KEYe(private_key2_passwd) },
1649 { STRe(dh_file2) },
1650 { STRe(subject_match2) },
1651 { STRe(altsubject_match2) },
01f809c7 1652 { STRe(domain_suffix_match2) },
6fc6879b
JM		 1653 { STRe(phase1) },
1654 { STRe(phase2) },
1655 { STRe(pcsc) },
1656 { STR_KEYe(pin) },
1657 { STRe(engine_id) },
1658 { STRe(key_id) },
61ee0f71
DS		 1659 { STRe(cert_id) },
1660 { STRe(ca_cert_id) },
98842d51
CL		 1661 { STR_KEYe(pin2) },
1662 { STRe(engine2_id) },
61ee0f71
DS		 1663 { STRe(key2_id) },
1664 { STRe(cert2_id) },
1665 { STRe(ca_cert2_id) },
6fc6879b 1666 { INTe(engine) },
98842d51 1667 { INTe(engine2) },
6fc6879b
JM		 1668 { INT(eapol_flags) },
1669#endif /* IEEE8021X_EAPOL */
1670 { FUNC_KEY(wep_key0) },
1671 { FUNC_KEY(wep_key1) },
1672 { FUNC_KEY(wep_key2) },
1673 { FUNC_KEY(wep_key3) },
1674 { INT(wep_tx_keyidx) },
1675 { INT(priority) },
1676#ifdef IEEE8021X_EAPOL
1677 { INT(eap_workaround) },
1678 { STRe(pac_file) },
1679 { INTe(fragment_size) },
080585c0 1680 { INTe(ocsp) },
6fc6879b 1681#endif /* IEEE8021X_EAPOL */
2c5d725c 1682 { INT_RANGE(mode, 0, 4) },
6fc6879b 1683 { INT_RANGE(proactive_key_caching, 0, 1) },
4dac0245 1684 { INT_RANGE(disabled, 0, 2) },
6fc6879b
JM		 1685 { STR(id_str) },
1686#ifdef CONFIG_IEEE80211W
1687 { INT_RANGE(ieee80211w, 0, 2) },
1688#endif /* CONFIG_IEEE80211W */
1689 { INT_RANGE(peerkey, 0, 1) },
1690 { INT_RANGE(mixed_cell, 0, 1) },
7829894c 1691 { INT_RANGE(frequency, 0, 65000) },
60b94c98
JM		 1692 { INT(wpa_ptk_rekey) },
1693 { STR(bgscan) },
e62f4ed0 1694 { INT_RANGE(ignore_broadcast_ssid, 0, 2) },
fbdcfd57 1695#ifdef CONFIG_P2P
9ec87666 1696 { FUNC(go_p2p_dev_addr) },
fbdcfd57 1697 { FUNC(p2p_client_list) },
01a57fe4 1698 { FUNC(psk_list) },
fbdcfd57 1699#endif /* CONFIG_P2P */
80e8a5ee
BG		 1700#ifdef CONFIG_HT_OVERRIDES
1701 { INT_RANGE(disable_ht, 0, 1) },
1702 { INT_RANGE(disable_ht40, -1, 1) },
a90497f8 1703 { INT_RANGE(disable_sgi, 0, 1) },
80e8a5ee
BG		 1704 { INT_RANGE(disable_max_amsdu, -1, 1) },
1705 { INT_RANGE(ampdu_factor, -1, 3) },
1706 { INT_RANGE(ampdu_density, -1, 7) },
1707 { STR(ht_mcs) },
1708#endif /* CONFIG_HT_OVERRIDES */
e9ee8dc3
JB		 1709#ifdef CONFIG_VHT_OVERRIDES
1710 { INT_RANGE(disable_vht, 0, 1) },
1711 { INT(vht_capa) },
1712 { INT(vht_capa_mask) },
1713 { INT_RANGE(vht_rx_mcs_nss_1, -1, 3) },
1714 { INT_RANGE(vht_rx_mcs_nss_2, -1, 3) },
1715 { INT_RANGE(vht_rx_mcs_nss_3, -1, 3) },
1716 { INT_RANGE(vht_rx_mcs_nss_4, -1, 3) },
1717 { INT_RANGE(vht_rx_mcs_nss_5, -1, 3) },
1718 { INT_RANGE(vht_rx_mcs_nss_6, -1, 3) },
1719 { INT_RANGE(vht_rx_mcs_nss_7, -1, 3) },
1720 { INT_RANGE(vht_rx_mcs_nss_8, -1, 3) },
1721 { INT_RANGE(vht_tx_mcs_nss_1, -1, 3) },
1722 { INT_RANGE(vht_tx_mcs_nss_2, -1, 3) },
1723 { INT_RANGE(vht_tx_mcs_nss_3, -1, 3) },
1724 { INT_RANGE(vht_tx_mcs_nss_4, -1, 3) },
1725 { INT_RANGE(vht_tx_mcs_nss_5, -1, 3) },
1726 { INT_RANGE(vht_tx_mcs_nss_6, -1, 3) },
1727 { INT_RANGE(vht_tx_mcs_nss_7, -1, 3) },
1728 { INT_RANGE(vht_tx_mcs_nss_8, -1, 3) },
1729#endif /* CONFIG_VHT_OVERRIDES */
07f53b8c 1730 { INT(ap_max_inactivity) },
fdfb1c8b 1731 { INT(dtim_period) },
18206e02 1732 { INT(beacon_int) },
6fc6879b
JM		 1733};
1734
1735#undef OFFSET
1736#undef _STR
1737#undef STR
1738#undef STR_KEY
1739#undef _STR_LEN
1740#undef STR_LEN
1741#undef STR_LEN_KEY
1742#undef _STR_RANGE
1743#undef STR_RANGE
1744#undef STR_RANGE_KEY
1745#undef _INT
1746#undef INT
1747#undef INT_RANGE
1748#undef _FUNC
1749#undef FUNC
1750#undef FUNC_KEY
e7ecab4a 1751#define NUM_SSID_FIELDS ARRAY_SIZE(ssid_fields)
6fc6879b
JM		 1752
1753
1754/**
1755 * wpa_config_add_prio_network - Add a network to priority lists
1756 * @config: Configuration data from wpa_config_read()
1757 * @ssid: Pointer to the network configuration to be added to the list
1758 * Returns: 0 on success, -1 on failure
1759 *
1760 * This function is used to add a network block to the priority list of
1761 * networks. This must be called for each network when reading in the full
1762 * configuration. In addition, this can be used indirectly when updating
1763 * priorities by calling wpa_config_update_prio_list().
1764 */
1765int wpa_config_add_prio_network(struct wpa_config *config,
1766 struct wpa_ssid *ssid)
1767{
1768 int prio;
1769 struct wpa_ssid *prev, **nlist;
1770
1771 /*
1772 * Add to an existing priority list if one is available for the
1773 * configured priority level for this network.
1774 */
1775 for (prio = 0; prio < config->num_prio; prio++) {
1776 prev = config->pssid[prio];
1777 if (prev->priority == ssid->priority) {
1778 while (prev->pnext)
1779 prev = prev->pnext;
1780 prev->pnext = ssid;
1781 return 0;
1782 }
1783 }
1784
1785 /* First network for this priority - add a new priority list */
067ffa26
JM		 1786 nlist = os_realloc_array(config->pssid, config->num_prio + 1,
1787 sizeof(struct wpa_ssid *));
6fc6879b
JM		 1788 if (nlist == NULL)
1789 return -1;
1790
1791 for (prio = 0; prio < config->num_prio; prio++) {
2c60ca73
JM		 1792 if (nlist[prio]->priority < ssid->priority) {
1793 os_memmove(&nlist[prio + 1], &nlist[prio],
1794 (config->num_prio - prio) *
1795 sizeof(struct wpa_ssid *));
6fc6879b 1796 break;
2c60ca73 1797 }
6fc6879b
JM		 1798 }
1799
6fc6879b
JM		 1800 nlist[prio] = ssid;
1801 config->num_prio++;
1802 config->pssid = nlist;
1803
1804 return 0;
1805}
1806
1807
1808/**
1809 * wpa_config_update_prio_list - Update network priority list
1810 * @config: Configuration data from wpa_config_read()
1811 * Returns: 0 on success, -1 on failure
1812 *
1813 * This function is called to update the priority list of networks in the
1814 * configuration when a network is being added or removed. This is also called
1815 * if a priority for a network is changed.
1816 */
aa53509f 1817int wpa_config_update_prio_list(struct wpa_config *config)
6fc6879b
JM		 1818{
1819 struct wpa_ssid *ssid;
1820 int ret = 0;
1821
1822 os_free(config->pssid);
1823 config->pssid = NULL;
1824 config->num_prio = 0;
1825
1826 ssid = config->ssid;
1827 while (ssid) {
1828 ssid->pnext = NULL;
1829 if (wpa_config_add_prio_network(config, ssid) < 0)
1830 ret = -1;
1831 ssid = ssid->next;
1832 }
1833
1834 return ret;
1835}
1836
1837
1838#ifdef IEEE8021X_EAPOL
1839static void eap_peer_config_free(struct eap_peer_config *eap)
1840{
1841 os_free(eap->eap_methods);
1842 os_free(eap->identity);
1843 os_free(eap->anonymous_identity);
1844 os_free(eap->password);
1845 os_free(eap->ca_cert);
1846 os_free(eap->ca_path);
1847 os_free(eap->client_cert);
1848 os_free(eap->private_key);
1849 os_free(eap->private_key_passwd);
1850 os_free(eap->dh_file);
1851 os_free(eap->subject_match);
1852 os_free(eap->altsubject_match);
01f809c7 1853 os_free(eap->domain_suffix_match);
6fc6879b
JM		 1854 os_free(eap->ca_cert2);
1855 os_free(eap->ca_path2);
1856 os_free(eap->client_cert2);
1857 os_free(eap->private_key2);
1858 os_free(eap->private_key2_passwd);
1859 os_free(eap->dh_file2);
1860 os_free(eap->subject_match2);
1861 os_free(eap->altsubject_match2);
01f809c7 1862 os_free(eap->domain_suffix_match2);
6fc6879b
JM		 1863 os_free(eap->phase1);
1864 os_free(eap->phase2);
1865 os_free(eap->pcsc);
1866 os_free(eap->pin);
1867 os_free(eap->engine_id);
1868 os_free(eap->key_id);
61ee0f71
DS		 1869 os_free(eap->cert_id);
1870 os_free(eap->ca_cert_id);
1871 os_free(eap->key2_id);
1872 os_free(eap->cert2_id);
1873 os_free(eap->ca_cert2_id);
98842d51
CL		 1874 os_free(eap->pin2);
1875 os_free(eap->engine2_id);
6fc6879b
JM		 1876 os_free(eap->otp);
1877 os_free(eap->pending_req_otp);
1878 os_free(eap->pac_file);
1879 os_free(eap->new_password);
a5d44ac0 1880 os_free(eap->external_sim_resp);
6fc6879b
JM		 1881}
1882#endif /* IEEE8021X_EAPOL */
1883
1884
1885/**
1886 * wpa_config_free_ssid - Free network/ssid configuration data
1887 * @ssid: Configuration data for the network
1888 *
1889 * This function frees all resources allocated for the network configuration
1890 * data.
1891 */
1892void wpa_config_free_ssid(struct wpa_ssid *ssid)
1893{
01a57fe4
JM		 1894 struct psk_list_entry *psk;
1895
6fc6879b
JM		 1896 os_free(ssid->ssid);
1897 os_free(ssid->passphrase);
9173b16f 1898 os_free(ssid->ext_psk);
6fc6879b
JM		 1899#ifdef IEEE8021X_EAPOL
1900 eap_peer_config_free(&ssid->eap);
1901#endif /* IEEE8021X_EAPOL */
1902 os_free(ssid->id_str);
d3a98225 1903 os_free(ssid->scan_freq);
b766a9a2 1904 os_free(ssid->freq_list);
60b94c98 1905 os_free(ssid->bgscan);
fbdcfd57 1906 os_free(ssid->p2p_client_list);
80e8a5ee
BG		 1907#ifdef CONFIG_HT_OVERRIDES
1908 os_free(ssid->ht_mcs);
1909#endif /* CONFIG_HT_OVERRIDES */
01a57fe4
JM		 1910 while ((psk = dl_list_first(&ssid->psk_list, struct psk_list_entry,
1911 list))) {
1912 dl_list_del(&psk->list);
1913 os_free(psk);
1914 }
6fc6879b
JM		 1915 os_free(ssid);
1916}
1917
1918
1bb7b8e8
JM		 1919void wpa_config_free_cred(struct wpa_cred *cred)
1920{
463c8ffb
JM		 1921 size_t i;
1922
1bb7b8e8
JM		 1923 os_free(cred->realm);
1924 os_free(cred->username);
1925 os_free(cred->password);
1926 os_free(cred->ca_cert);
11e4f46a
JM		 1927 os_free(cred->client_cert);
1928 os_free(cred->private_key);
1929 os_free(cred->private_key_passwd);
1bb7b8e8
JM		 1930 os_free(cred->imsi);
1931 os_free(cred->milenage);
463c8ffb
JM		 1932 for (i = 0; i < cred->num_domain; i++)
1933 os_free(cred->domain[i]);
1bb7b8e8 1934 os_free(cred->domain);
ac1bc549 1935 os_free(cred->domain_suffix_match);
8ca93c59
JM		 1936 os_free(cred->eap_method);
1937 os_free(cred->phase1);
1938 os_free(cred->phase2);
dbea8ac7 1939 os_free(cred->excluded_ssid);
bc00053c 1940 os_free(cred->roaming_partner);
aa26ba68 1941 os_free(cred->provisioning_sp);
33fb8c52
JM		 1942 for (i = 0; i < cred->num_req_conn_capab; i++)
1943 os_free(cred->req_conn_capab_port[i]);
1944 os_free(cred->req_conn_capab_port);
1945 os_free(cred->req_conn_capab_proto);
1bb7b8e8
JM		 1946 os_free(cred);
1947}
1948
1949
d9bb2821
JM		 1950void wpa_config_flush_blobs(struct wpa_config *config)
1951{
1952#ifndef CONFIG_NO_CONFIG_BLOBS
1953 struct wpa_config_blob *blob, *prev;
1954
1955 blob = config->blobs;
1956 config->blobs = NULL;
1957 while (blob) {
1958 prev = blob;
1959 blob = blob->next;
1960 wpa_config_free_blob(prev);
1961 }
1962#endif /* CONFIG_NO_CONFIG_BLOBS */
1963}
1964
1965
6fc6879b
JM		 1966/**
1967 * wpa_config_free - Free configuration data
1968 * @config: Configuration data from wpa_config_read()
1969 *
1970 * This function frees all resources allocated for the configuration data by
1971 * wpa_config_read().
1972 */
1973void wpa_config_free(struct wpa_config *config)
1974{
6fc6879b 1975 struct wpa_ssid *ssid, *prev = NULL;
1bb7b8e8 1976 struct wpa_cred *cred, *cprev;
e3768e7c 1977
6fc6879b
JM		 1978 ssid = config->ssid;
1979 while (ssid) {
1980 prev = ssid;
1981 ssid = ssid->next;
1982 wpa_config_free_ssid(prev);
1983 }
1984
1bb7b8e8
JM		 1985 cred = config->cred;
1986 while (cred) {
1987 cprev = cred;
1988 cred = cred->next;
1989 wpa_config_free_cred(cprev);
1990 }
1991
d9bb2821 1992 wpa_config_flush_blobs(config);
6fc6879b 1993
71dd3b78 1994 wpabuf_free(config->wps_vendor_ext_m1);
6fc6879b
JM		 1995 os_free(config->ctrl_interface);
1996 os_free(config->ctrl_interface_group);
6fc6879b
JM		 1997 os_free(config->opensc_engine_path);
1998 os_free(config->pkcs11_engine_path);
1999 os_free(config->pkcs11_module_path);
f64adcd7
JM		 2000 os_free(config->pcsc_reader);
2001 os_free(config->pcsc_pin);
6fc6879b 2002 os_free(config->driver_param);
3c0b7aa4
JM		 2003 os_free(config->device_name);
2004 os_free(config->manufacturer);
2005 os_free(config->model_name);
2006 os_free(config->model_number);
2007 os_free(config->serial_number);
c0e4dd9e 2008 os_free(config->config_methods);
e3768e7c 2009 os_free(config->p2p_ssid_postfix);
6fc6879b 2010 os_free(config->pssid);
21d996f7 2011 os_free(config->p2p_pref_chan);
556b30da 2012 os_free(config->p2p_no_go_freq.range);
b0786fba 2013 os_free(config->autoscan);
f5ffc348 2014 os_free(config->freq_list);
3f2c8ba6
JM		 2015 wpabuf_free(config->wps_nfc_dh_pubkey);
2016 wpabuf_free(config->wps_nfc_dh_privkey);
2017 wpabuf_free(config->wps_nfc_dev_pw);
306ae225 2018 os_free(config->ext_password_backend);
625f202a 2019 os_free(config->sae_groups);
18a2eaab 2020 wpabuf_free(config->ap_vendor_elements);
b572df86 2021 os_free(config->osu_dir);
6fc6879b
JM		 2022 os_free(config);
2023}
2024
2025
7c49fdd0
SL		 2026/**
2027 * wpa_config_foreach_network - Iterate over each configured network
2028 * @config: Configuration data from wpa_config_read()
2029 * @func: Callback function to process each network
2030 * @arg: Opaque argument to pass to callback function
2031 *
2032 * Iterate over the set of configured networks calling the specified
2033 * function for each item. We guard against callbacks removing the
2034 * supplied network.
2035 */
2036void wpa_config_foreach_network(struct wpa_config *config,
2037 void (*func)(void *, struct wpa_ssid *),
2038 void *arg)
2039{
2040 struct wpa_ssid *ssid, *next;
2041
2042 ssid = config->ssid;
2043 while (ssid) {
2044 next = ssid->next;
2045 func(arg, ssid);
2046 ssid = next;
2047 }
2048}
2049
2050
6fc6879b
JM		 2051/**
2052 * wpa_config_get_network - Get configured network based on id
2053 * @config: Configuration data from wpa_config_read()
2054 * @id: Unique network id to search for
2055 * Returns: Network configuration or %NULL if not found
2056 */
2057struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id)
2058{
2059 struct wpa_ssid *ssid;
2060
2061 ssid = config->ssid;
2062 while (ssid) {
2063 if (id == ssid->id)
2064 break;
2065 ssid = ssid->next;
2066 }
2067
2068 return ssid;
2069}
2070
2071
2072/**
2073 * wpa_config_add_network - Add a new network with empty configuration
2074 * @config: Configuration data from wpa_config_read()
2075 * Returns: The new network configuration or %NULL if operation failed
2076 */
2077struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
2078{
2079 int id;
2080 struct wpa_ssid *ssid, *last = NULL;
2081
2082 id = -1;
2083 ssid = config->ssid;
2084 while (ssid) {
2085 if (ssid->id > id)
2086 id = ssid->id;
2087 last = ssid;
2088 ssid = ssid->next;
2089 }
2090 id++;
2091
2092 ssid = os_zalloc(sizeof(*ssid));
2093 if (ssid == NULL)
2094 return NULL;
2095 ssid->id = id;
01a57fe4 2096 dl_list_init(&ssid->psk_list);
6fc6879b
JM		 2097 if (last)
2098 last->next = ssid;
2099 else
2100 config->ssid = ssid;
2101
2102 wpa_config_update_prio_list(config);
2103
2104 return ssid;
2105}
2106
2107
2108/**
2109 * wpa_config_remove_network - Remove a configured network based on id
2110 * @config: Configuration data from wpa_config_read()
2111 * @id: Unique network id to search for
2112 * Returns: 0 on success, or -1 if the network was not found
2113 */
2114int wpa_config_remove_network(struct wpa_config *config, int id)
2115{
2116 struct wpa_ssid *ssid, *prev = NULL;
2117
2118 ssid = config->ssid;
2119 while (ssid) {
2120 if (id == ssid->id)
2121 break;
2122 prev = ssid;
2123 ssid = ssid->next;
2124 }
2125
2126 if (ssid == NULL)
2127 return -1;
2128
2129 if (prev)
2130 prev->next = ssid->next;
2131 else
2132 config->ssid = ssid->next;
2133
2134 wpa_config_update_prio_list(config);
2135 wpa_config_free_ssid(ssid);
2136 return 0;
2137}
2138
2139
2140/**
2141 * wpa_config_set_network_defaults - Set network default values
2142 * @ssid: Pointer to network configuration data
2143 */
2144void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
2145{
2146 ssid->proto = DEFAULT_PROTO;
2147 ssid->pairwise_cipher = DEFAULT_PAIRWISE;
2148 ssid->group_cipher = DEFAULT_GROUP;
2149 ssid->key_mgmt = DEFAULT_KEY_MGMT;
1f6c0ab8 2150 ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
6fc6879b
JM		 2151#ifdef IEEE8021X_EAPOL
2152 ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
2153 ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;
2154 ssid->eap.fragment_size = DEFAULT_FRAGMENT_SIZE;
2155#endif /* IEEE8021X_EAPOL */
80e8a5ee
BG		 2156#ifdef CONFIG_HT_OVERRIDES
2157 ssid->disable_ht = DEFAULT_DISABLE_HT;
2158 ssid->disable_ht40 = DEFAULT_DISABLE_HT40;
a90497f8 2159 ssid->disable_sgi = DEFAULT_DISABLE_SGI;
80e8a5ee
BG		 2160 ssid->disable_max_amsdu = DEFAULT_DISABLE_MAX_AMSDU;
2161 ssid->ampdu_factor = DEFAULT_AMPDU_FACTOR;
2162 ssid->ampdu_density = DEFAULT_AMPDU_DENSITY;
2163#endif /* CONFIG_HT_OVERRIDES */
e9ee8dc3
JB		 2164#ifdef CONFIG_VHT_OVERRIDES
2165 ssid->vht_rx_mcs_nss_1 = -1;
2166 ssid->vht_rx_mcs_nss_2 = -1;
2167 ssid->vht_rx_mcs_nss_3 = -1;
2168 ssid->vht_rx_mcs_nss_4 = -1;
2169 ssid->vht_rx_mcs_nss_5 = -1;
2170 ssid->vht_rx_mcs_nss_6 = -1;
2171 ssid->vht_rx_mcs_nss_7 = -1;
2172 ssid->vht_rx_mcs_nss_8 = -1;
2173 ssid->vht_tx_mcs_nss_1 = -1;
2174 ssid->vht_tx_mcs_nss_2 = -1;
2175 ssid->vht_tx_mcs_nss_3 = -1;
2176 ssid->vht_tx_mcs_nss_4 = -1;
2177 ssid->vht_tx_mcs_nss_5 = -1;
2178 ssid->vht_tx_mcs_nss_6 = -1;
2179 ssid->vht_tx_mcs_nss_7 = -1;
2180 ssid->vht_tx_mcs_nss_8 = -1;
2181#endif /* CONFIG_VHT_OVERRIDES */
6e202021 2182 ssid->proactive_key_caching = -1;
62d49803
JM		 2183#ifdef CONFIG_IEEE80211W
2184 ssid->ieee80211w = MGMT_FRAME_PROTECTION_DEFAULT;
2185#endif /* CONFIG_IEEE80211W */
6fc6879b
JM		 2186}
2187
2188
2189/**
2190 * wpa_config_set - Set a variable in network configuration
2191 * @ssid: Pointer to network configuration data
2192 * @var: Variable name, e.g., "ssid"
2193 * @value: Variable value
2194 * @line: Line number in configuration file or 0 if not used
2195 * Returns: 0 on success, -1 on failure
2196 *
2197 * This function can be used to set network configuration variables based on
2198 * both the configuration file and management interface input. The value
2199 * parameter must be in the same format as the text-based configuration file is
2200 * using. For example, strings are using double quotation marks.
2201 */
2202int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
2203 int line)
2204{
2205 size_t i;
2206 int ret = 0;
2207
2208 if (ssid == NULL || var == NULL || value == NULL)
2209 return -1;
2210
2211 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2212 const struct parse_data *field = &ssid_fields[i];
2213 if (os_strcmp(var, field->name) != 0)
2214 continue;
2215
2216 if (field->parser(field, ssid, line, value)) {
2217 if (line) {
2218 wpa_printf(MSG_ERROR, "Line %d: failed to "
2219 "parse %s '%s'.", line, var, value);
2220 }
2221 ret = -1;
2222 }
2223 break;
2224 }
2225 if (i == NUM_SSID_FIELDS) {
2226 if (line) {
2227 wpa_printf(MSG_ERROR, "Line %d: unknown network field "
2228 "'%s'.", line, var);
2229 }
2230 ret = -1;
2231 }
2232
2233 return ret;
2234}
2235
2236
67e1b984
JM		 2237int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
2238 const char *value)
2239{
2240 size_t len;
2241 char *buf;
2242 int ret;
2243
2244 len = os_strlen(value);
2245 buf = os_malloc(len + 3);
2246 if (buf == NULL)
2247 return -1;
2248 buf[0] = '"';
2249 os_memcpy(buf + 1, value, len);
2250 buf[len + 1] = '"';
2251 buf[len + 2] = '\0';
2252 ret = wpa_config_set(ssid, var, buf, 0);
2253 os_free(buf);
2254 return ret;
2255}
2256
2257
3d3d3056
WS		 2258/**
2259 * wpa_config_get_all - Get all options from network configuration
2260 * @ssid: Pointer to network configuration data
2261 * @get_keys: Determines if keys/passwords will be included in returned list
d1c8ac88 2262 * (if they may be exported)
3d3d3056
WS		 2263 * Returns: %NULL terminated list of all set keys and their values in the form
2264 * of [key1, val1, key2, val2, ... , NULL]
2265 *
2266 * This function can be used to get list of all configured network properties.
2267 * The caller is responsible for freeing the returned list and all its
2268 * elements.
2269 */
2270char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys)
2271{
2272 const struct parse_data *field;
2273 char *key, *value;
2274 size_t i;
2275 char **props;
2276 int fields_num;
2277
d1c8ac88
JB		 2278 get_keys = get_keys && ssid->export_keys;
2279
f9884c09 2280 props = os_calloc(2 * NUM_SSID_FIELDS + 1, sizeof(char *));
3d3d3056
WS		 2281 if (!props)
2282 return NULL;
2283
2284 fields_num = 0;
2285 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2286 field = &ssid_fields[i];
2287 if (field->key_data && !get_keys)
2288 continue;
2289 value = field->writer(field, ssid);
04746865 2290 if (value == NULL)
3d3d3056 2291 continue;
04746865
JM		 2292 if (os_strlen(value) == 0) {
2293 os_free(value);
2294 continue;
2295 }
3d3d3056
WS		 2296
2297 key = os_strdup(field->name);
04746865
JM		 2298 if (key == NULL) {
2299 os_free(value);
3d3d3056 2300 goto err;
04746865 2301 }
3d3d3056
WS		 2302
2303 props[fields_num * 2] = key;
2304 props[fields_num * 2 + 1] = value;
2305
2306 fields_num++;
2307 }
2308
2309 return props;
2310
2311err:
2312 value = *props;
2313 while (value)
2314 os_free(value++);
2315 os_free(props);
2316 return NULL;
2317}
2318
2319
6fc6879b
JM		 2320#ifndef NO_CONFIG_WRITE
2321/**
2322 * wpa_config_get - Get a variable in network configuration
2323 * @ssid: Pointer to network configuration data
2324 * @var: Variable name, e.g., "ssid"
2325 * Returns: Value of the variable or %NULL on failure
2326 *
2327 * This function can be used to get network configuration variables. The
2328 * returned value is a copy of the configuration variable in text format, i.e,.
2329 * the same format that the text-based configuration file and wpa_config_set()
2330 * are using for the value. The caller is responsible for freeing the returned
2331 * value.
2332 */
2333char * wpa_config_get(struct wpa_ssid *ssid, const char *var)
2334{
2335 size_t i;
2336
2337 if (ssid == NULL || var == NULL)
2338 return NULL;
2339
2340 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2341 const struct parse_data *field = &ssid_fields[i];
2342 if (os_strcmp(var, field->name) == 0)
2343 return field->writer(field, ssid);
2344 }
2345
2346 return NULL;
2347}
2348
2349
2350/**
2351 * wpa_config_get_no_key - Get a variable in network configuration (no keys)
2352 * @ssid: Pointer to network configuration data
2353 * @var: Variable name, e.g., "ssid"
2354 * Returns: Value of the variable or %NULL on failure
2355 *
2356 * This function can be used to get network configuration variable like
2357 * wpa_config_get(). The only difference is that this functions does not expose
2358 * key/password material from the configuration. In case a key/password field
2359 * is requested, the returned value is an empty string or %NULL if the variable
2360 * is not set or "*" if the variable is set (regardless of its value). The
2361 * returned value is a copy of the configuration variable in text format, i.e,.
2362 * the same format that the text-based configuration file and wpa_config_set()
2363 * are using for the value. The caller is responsible for freeing the returned
2364 * value.
2365 */
2366char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var)
2367{
2368 size_t i;
2369
2370 if (ssid == NULL || var == NULL)
2371 return NULL;
2372
2373 for (i = 0; i < NUM_SSID_FIELDS; i++) {
2374 const struct parse_data *field = &ssid_fields[i];
2375 if (os_strcmp(var, field->name) == 0) {
2376 char *res = field->writer(field, ssid);
2377 if (field->key_data) {
2378 if (res && res[0]) {
2379 wpa_printf(MSG_DEBUG, "Do not allow "
2380 "key_data field to be "
2381 "exposed");
2382 os_free(res);
2383 return os_strdup("*");
2384 }
2385
2386 os_free(res);
2387 return NULL;
2388 }
2389 return res;
2390 }
2391 }
2392
2393 return NULL;
2394}
2395#endif /* NO_CONFIG_WRITE */
2396
2397
2398/**
2399 * wpa_config_update_psk - Update WPA PSK based on passphrase and SSID
2400 * @ssid: Pointer to network configuration data
2401 *
2402 * This function must be called to update WPA PSK when either SSID or the
2403 * passphrase has changed for the network configuration.
2404 */
2405void wpa_config_update_psk(struct wpa_ssid *ssid)
2406{
2407#ifndef CONFIG_NO_PBKDF2
986de33d 2408 pbkdf2_sha1(ssid->passphrase, ssid->ssid, ssid->ssid_len, 4096,
6fc6879b
JM		 2409 ssid->psk, PMK_LEN);
2410 wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
2411 ssid->psk, PMK_LEN);
2412 ssid->psk_set = 1;
2413#endif /* CONFIG_NO_PBKDF2 */
2414}
2415
2416
33fb8c52
JM		 2417static int wpa_config_set_cred_req_conn_capab(struct wpa_cred *cred,
2418 const char *value)
2419{
2420 u8 *proto;
2421 int **port;
2422 int *ports, *nports;
2423 const char *pos;
2424 unsigned int num_ports;
2425
2426 proto = os_realloc_array(cred->req_conn_capab_proto,
2427 cred->num_req_conn_capab + 1, sizeof(u8));
2428 if (proto == NULL)
2429 return -1;
2430 cred->req_conn_capab_proto = proto;
2431
2432 port = os_realloc_array(cred->req_conn_capab_port,
2433 cred->num_req_conn_capab + 1, sizeof(int *));
2434 if (port == NULL)
2435 return -1;
2436 cred->req_conn_capab_port = port;
2437
2438 proto[cred->num_req_conn_capab] = atoi(value);
2439
2440 pos = os_strchr(value, ':');
2441 if (pos == NULL) {
2442 port[cred->num_req_conn_capab] = NULL;
2443 cred->num_req_conn_capab++;
2444 return 0;
2445 }
2446 pos++;
2447
2448 ports = NULL;
2449 num_ports = 0;
2450
2451 while (*pos) {
2452 nports = os_realloc_array(ports, num_ports + 1, sizeof(int));
2453 if (nports == NULL) {
2454 os_free(ports);
2455 return -1;
2456 }
2457 ports = nports;
2458 ports[num_ports++] = atoi(pos);
2459
2460 pos = os_strchr(pos, ',');
2461 if (pos == NULL)
2462 break;
2463 pos++;
2464 }
2465
2466 nports = os_realloc_array(ports, num_ports + 1, sizeof(int));
2467 if (nports == NULL) {
2468 os_free(ports);
2469 return -1;
2470 }
2471 ports = nports;
2472 ports[num_ports] = -1;
2473
2474 port[cred->num_req_conn_capab] = ports;
2475 cred->num_req_conn_capab++;
2476 return 0;
2477}
2478
2479
1bb7b8e8
JM		 2480int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
2481 const char *value, int line)
2482{
2483 char *val;
2484 size_t len;
2485
03ed3324
JM		 2486 if (os_strcmp(var, "temporary") == 0) {
2487 cred->temporary = atoi(value);
2488 return 0;
2489 }
2490
1a712d2f
JM		 2491 if (os_strcmp(var, "priority") == 0) {
2492 cred->priority = atoi(value);
2493 return 0;
2494 }
2495
74794891
JM		 2496 if (os_strcmp(var, "sp_priority") == 0) {
2497 int prio = atoi(value);
2498 if (prio < 0 || prio > 255)
2499 return -1;
2500 cred->sp_priority = prio;
2501 return 0;
2502 }
2503
d7b01abd
JM		 2504 if (os_strcmp(var, "pcsc") == 0) {
2505 cred->pcsc = atoi(value);
2506 return 0;
2507 }
2508
8ca93c59
JM		 2509 if (os_strcmp(var, "eap") == 0) {
2510 struct eap_method_type method;
2511 method.method = eap_peer_get_type(value, &method.vendor);
2512 if (method.vendor == EAP_VENDOR_IETF &&
2513 method.method == EAP_TYPE_NONE) {
2514 wpa_printf(MSG_ERROR, "Line %d: unknown EAP type '%s' "
2515 "for a credential", line, value);
2516 return -1;
2517 }
2518 os_free(cred->eap_method);
2519 cred->eap_method = os_malloc(sizeof(*cred->eap_method));
2520 if (cred->eap_method == NULL)
2521 return -1;
2522 os_memcpy(cred->eap_method, &method, sizeof(method));
2523 return 0;
2524 }
2525
02af9c90
JM		 2526 if (os_strcmp(var, "password") == 0 &&
2527 os_strncmp(value, "ext:", 4) == 0) {
2528 os_free(cred->password);
2529 cred->password = os_strdup(value);
2530 cred->ext_password = 1;
2531 return 0;
2532 }
2533
f9cd147d
JM		 2534 if (os_strcmp(var, "update_identifier") == 0) {
2535 cred->update_identifier = atoi(value);
2536 return 0;
2537 }
2538
4cad9df1
JM		 2539 if (os_strcmp(var, "min_dl_bandwidth_home") == 0) {
2540 cred->min_dl_bandwidth_home = atoi(value);
2541 return 0;
2542 }
2543
2544 if (os_strcmp(var, "min_ul_bandwidth_home") == 0) {
2545 cred->min_ul_bandwidth_home = atoi(value);
2546 return 0;
2547 }
2548
2549 if (os_strcmp(var, "min_dl_bandwidth_roaming") == 0) {
2550 cred->min_dl_bandwidth_roaming = atoi(value);
2551 return 0;
2552 }
2553
2554 if (os_strcmp(var, "min_ul_bandwidth_roaming") == 0) {
2555 cred->min_ul_bandwidth_roaming = atoi(value);
2556 return 0;
2557 }
2558
a45b2dc5
JM		 2559 if (os_strcmp(var, "max_bss_load") == 0) {
2560 cred->max_bss_load = atoi(value);
2561 return 0;
2562 }
2563
33fb8c52
JM		 2564 if (os_strcmp(var, "req_conn_capab") == 0)
2565 return wpa_config_set_cred_req_conn_capab(cred, value);
2566
cf6d08a6
JM		 2567 if (os_strcmp(var, "ocsp") == 0) {
2568 cred->ocsp = atoi(value);
2569 return 0;
2570 }
2571
1bb7b8e8 2572 val = wpa_config_parse_string(value, &len);
7d86e537
JM		 2573 if (val == NULL) {
2574 wpa_printf(MSG_ERROR, "Line %d: invalid field '%s' string "
2575 "value '%s'.", line, var, value);
1bb7b8e8 2576 return -1;
7d86e537 2577 }
1bb7b8e8
JM		 2578
2579 if (os_strcmp(var, "realm") == 0) {
2580 os_free(cred->realm);
2581 cred->realm = val;
2582 return 0;
2583 }
2584
2585 if (os_strcmp(var, "username") == 0) {
2586 os_free(cred->username);
2587 cred->username = val;
2588 return 0;
2589 }
2590
2591 if (os_strcmp(var, "password") == 0) {
2592 os_free(cred->password);
2593 cred->password = val;
02af9c90 2594 cred->ext_password = 0;
1bb7b8e8
JM		 2595 return 0;
2596 }
2597
2598 if (os_strcmp(var, "ca_cert") == 0) {
2599 os_free(cred->ca_cert);
2600 cred->ca_cert = val;
2601 return 0;
2602 }
2603
11e4f46a
JM		 2604 if (os_strcmp(var, "client_cert") == 0) {
2605 os_free(cred->client_cert);
2606 cred->client_cert = val;
2607 return 0;
2608 }
2609
2610 if (os_strcmp(var, "private_key") == 0) {
2611 os_free(cred->private_key);
2612 cred->private_key = val;
2613 return 0;
2614 }
2615
2616 if (os_strcmp(var, "private_key_passwd") == 0) {
2617 os_free(cred->private_key_passwd);
2618 cred->private_key_passwd = val;
2619 return 0;
2620 }
2621
1bb7b8e8
JM		 2622 if (os_strcmp(var, "imsi") == 0) {
2623 os_free(cred->imsi);
2624 cred->imsi = val;
2625 return 0;
2626 }
2627
2628 if (os_strcmp(var, "milenage") == 0) {
2629 os_free(cred->milenage);
2630 cred->milenage = val;
2631 return 0;
2632 }
2633
ac1bc549
JM		 2634 if (os_strcmp(var, "domain_suffix_match") == 0) {
2635 os_free(cred->domain_suffix_match);
2636 cred->domain_suffix_match = val;
2637 return 0;
2638 }
2639
1bb7b8e8 2640 if (os_strcmp(var, "domain") == 0) {
463c8ffb
JM		 2641 char **new_domain;
2642 new_domain = os_realloc_array(cred->domain,
2643 cred->num_domain + 1,
2644 sizeof(char *));
2645 if (new_domain == NULL) {
2646 os_free(val);
2647 return -1;
2648 }
2649 new_domain[cred->num_domain++] = val;
2650 cred->domain = new_domain;
1bb7b8e8
JM		 2651 return 0;
2652 }
2653
8ca93c59
JM		 2654 if (os_strcmp(var, "phase1") == 0) {
2655 os_free(cred->phase1);
2656 cred->phase1 = val;
2657 return 0;
2658 }
2659
2660 if (os_strcmp(var, "phase2") == 0) {
2661 os_free(cred->phase2);
2662 cred->phase2 = val;
2663 return 0;
2664 }
2665
955567bc
JM		 2666 if (os_strcmp(var, "roaming_consortium") == 0) {
2667 if (len < 3 || len > sizeof(cred->roaming_consortium)) {
2668 wpa_printf(MSG_ERROR, "Line %d: invalid "
2669 "roaming_consortium length %d (3..15 "
2670 "expected)", line, (int) len);
2671 os_free(val);
2672 return -1;
2673 }
2674 os_memcpy(cred->roaming_consortium, val, len);
2675 cred->roaming_consortium_len = len;
2676 os_free(val);
2677 return 0;
2678 }
2679
f47c1452
JM		 2680 if (os_strcmp(var, "required_roaming_consortium") == 0) {
2681 if (len < 3 || len > sizeof(cred->required_roaming_consortium))
2682 {
2683 wpa_printf(MSG_ERROR, "Line %d: invalid "
2684 "required_roaming_consortium length %d "
2685 "(3..15 expected)", line, (int) len);
2686 os_free(val);
2687 return -1;
2688 }
2689 os_memcpy(cred->required_roaming_consortium, val, len);
2690 cred->required_roaming_consortium_len = len;
2691 os_free(val);
2692 return 0;
2693 }
2694
dbea8ac7
JM		 2695 if (os_strcmp(var, "excluded_ssid") == 0) {
2696 struct excluded_ssid *e;
2697
2698 if (len > MAX_SSID_LEN) {
2699 wpa_printf(MSG_ERROR, "Line %d: invalid "
2700 "excluded_ssid length %d", line, (int) len);
2701 os_free(val);
2702 return -1;
2703 }
2704
2705 e = os_realloc_array(cred->excluded_ssid,
2706 cred->num_excluded_ssid + 1,
2707 sizeof(struct excluded_ssid));
2708 if (e == NULL) {
2709 os_free(val);
2710 return -1;
2711 }
2712 cred->excluded_ssid = e;
2713
2714 e = &cred->excluded_ssid[cred->num_excluded_ssid++];
2715 os_memcpy(e->ssid, val, len);
2716 e->ssid_len = len;
2717
2718 os_free(val);
2719
2720 return 0;
2721 }
2722
bc00053c
JM		 2723 if (os_strcmp(var, "roaming_partner") == 0) {
2724 struct roaming_partner *p;
2725 char *pos;
2726
2727 p = os_realloc_array(cred->roaming_partner,
2728 cred->num_roaming_partner + 1,
2729 sizeof(struct roaming_partner));
2730 if (p == NULL) {
2731 os_free(val);
2732 return -1;
2733 }
2734 cred->roaming_partner = p;
2735
2736 p = &cred->roaming_partner[cred->num_roaming_partner];
2737
2738 pos = os_strchr(val, ',');
2739 if (pos == NULL) {
2740 os_free(val);
2741 return -1;
2742 }
2743 *pos++ = '\0';
2744 if (pos - val - 1 >= (int) sizeof(p->fqdn)) {
2745 os_free(val);
2746 return -1;
2747 }
2748 os_memcpy(p->fqdn, val, pos - val);
2749
2750 p->exact_match = atoi(pos);
2751
2752 pos = os_strchr(pos, ',');
2753 if (pos == NULL) {
2754 os_free(val);
2755 return -1;
2756 }
2757 *pos++ = '\0';
2758
2759 p->priority = atoi(pos);
2760
2761 pos = os_strchr(pos, ',');
2762 if (pos == NULL) {
2763 os_free(val);
2764 return -1;
2765 }
2766 *pos++ = '\0';
2767
2768 if (os_strlen(pos) >= sizeof(p->country)) {
2769 os_free(val);
2770 return -1;
2771 }
2772 os_memcpy(p->country, pos, os_strlen(pos) + 1);
2773
2774 cred->num_roaming_partner++;
2775 os_free(val);
2776
2777 return 0;
2778 }
2779
aa26ba68
JM		 2780 if (os_strcmp(var, "provisioning_sp") == 0) {
2781 os_free(cred->provisioning_sp);
2782 cred->provisioning_sp = val;
2783 return 0;
2784 }
2785
1bb7b8e8
JM		 2786 if (line) {
2787 wpa_printf(MSG_ERROR, "Line %d: unknown cred field '%s'.",
2788 line, var);
2789 }
2790
f4b2d69b
JM		 2791 os_free(val);
2792
1bb7b8e8
JM		 2793 return -1;
2794}
2795
2796
d94c9ee6
JM		 2797struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id)
2798{
2799 struct wpa_cred *cred;
2800
2801 cred = config->cred;
2802 while (cred) {
2803 if (id == cred->id)
2804 break;
2805 cred = cred->next;
2806 }
2807
2808 return cred;
2809}
2810
2811
2812struct wpa_cred * wpa_config_add_cred(struct wpa_config *config)
2813{
2814 int id;
2815 struct wpa_cred *cred, *last = NULL;
2816
2817 id = -1;
2818 cred = config->cred;
2819 while (cred) {
2820 if (cred->id > id)
2821 id = cred->id;
2822 last = cred;
2823 cred = cred->next;
2824 }
2825 id++;
2826
2827 cred = os_zalloc(sizeof(*cred));
2828 if (cred == NULL)
2829 return NULL;
2830 cred->id = id;
2831 if (last)
2832 last->next = cred;
2833 else
2834 config->cred = cred;
2835
2836 return cred;
2837}
2838
2839
2840int wpa_config_remove_cred(struct wpa_config *config, int id)
2841{
2842 struct wpa_cred *cred, *prev = NULL;
2843
2844 cred = config->cred;
2845 while (cred) {
2846 if (id == cred->id)
2847 break;
2848 prev = cred;
2849 cred = cred->next;
2850 }
2851
2852 if (cred == NULL)
2853 return -1;
2854
2855 if (prev)
2856 prev->next = cred->next;
2857 else
2858 config->cred = cred->next;
2859
2860 wpa_config_free_cred(cred);
2861 return 0;
2862}
2863
2864
6fc6879b
JM		 2865#ifndef CONFIG_NO_CONFIG_BLOBS
2866/**
2867 * wpa_config_get_blob - Get a named configuration blob
2868 * @config: Configuration data from wpa_config_read()
2869 * @name: Name of the blob
2870 * Returns: Pointer to blob data or %NULL if not found
2871 */
2872const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
2873 const char *name)
2874{
2875 struct wpa_config_blob *blob = config->blobs;
2876
2877 while (blob) {
2878 if (os_strcmp(blob->name, name) == 0)
2879 return blob;
2880 blob = blob->next;
2881 }
2882 return NULL;
2883}
2884
2885
2886/**
2887 * wpa_config_set_blob - Set or add a named configuration blob
2888 * @config: Configuration data from wpa_config_read()
2889 * @blob: New value for the blob
2890 *
2891 * Adds a new configuration blob or replaces the current value of an existing
2892 * blob.
2893 */
2894void wpa_config_set_blob(struct wpa_config *config,
2895 struct wpa_config_blob *blob)
2896{
2897 wpa_config_remove_blob(config, blob->name);
2898 blob->next = config->blobs;
2899 config->blobs = blob;
2900}
2901
2902
2903/**
2904 * wpa_config_free_blob - Free blob data
2905 * @blob: Pointer to blob to be freed
2906 */
2907void wpa_config_free_blob(struct wpa_config_blob *blob)
2908{
2909 if (blob) {
2910 os_free(blob->name);
2911 os_free(blob->data);
2912 os_free(blob);
2913 }
2914}
2915
2916
2917/**
2918 * wpa_config_remove_blob - Remove a named configuration blob
2919 * @config: Configuration data from wpa_config_read()
2920 * @name: Name of the blob to remove
2921 * Returns: 0 if blob was removed or -1 if blob was not found
2922 */
2923int wpa_config_remove_blob(struct wpa_config *config, const char *name)
2924{
2925 struct wpa_config_blob *pos = config->blobs, *prev = NULL;
2926
2927 while (pos) {
2928 if (os_strcmp(pos->name, name) == 0) {
2929 if (prev)
2930 prev->next = pos->next;
2931 else
2932 config->blobs = pos->next;
2933 wpa_config_free_blob(pos);
2934 return 0;
2935 }
2936 prev = pos;
2937 pos = pos->next;
2938 }
2939
2940 return -1;
2941}
2942#endif /* CONFIG_NO_CONFIG_BLOBS */
2943
2944
2945/**
2946 * wpa_config_alloc_empty - Allocate an empty configuration
2947 * @ctrl_interface: Control interface parameters, e.g., path to UNIX domain
2948 * socket
2949 * @driver_param: Driver parameters
2950 * Returns: Pointer to allocated configuration data or %NULL on failure
2951 */
2952struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
2953 const char *driver_param)
2954{
2955 struct wpa_config *config;
c26effe1
YD		 2956 const int aCWmin = 4, aCWmax = 10;
2957 const struct hostapd_wmm_ac_params ac_bk =
2958 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
2959 const struct hostapd_wmm_ac_params ac_be =
2960 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
2961 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
623ecdd5 2962 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 };
c26effe1 2963 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
623ecdd5 2964 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 };
6fc6879b
JM		 2965
2966 config = os_zalloc(sizeof(*config));
2967 if (config == NULL)
2968 return NULL;
2969 config->eapol_version = DEFAULT_EAPOL_VERSION;
2970 config->ap_scan = DEFAULT_AP_SCAN;
2971 config->fast_reauth = DEFAULT_FAST_REAUTH;
e3768e7c 2972 config->p2p_go_intent = DEFAULT_P2P_GO_INTENT;
0f66abd2 2973 config->p2p_intra_bss = DEFAULT_P2P_INTRA_BSS;
462a7439 2974 config->p2p_go_max_inactivity = DEFAULT_P2P_GO_MAX_INACTIVITY;
c9c38b09 2975 config->bss_max_count = DEFAULT_BSS_MAX_COUNT;
78633c37
SL		 2976 config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
2977 config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
dae608d5 2978 config->max_num_sta = DEFAULT_MAX_NUM_STA;
11540c0b 2979 config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE;
6124e858 2980 config->scan_cur_freq = DEFAULT_SCAN_CUR_FREQ;
c26effe1
YD		 2981 config->wmm_ac_params[0] = ac_be;
2982 config->wmm_ac_params[1] = ac_bk;
2983 config->wmm_ac_params[2] = ac_vi;
2984 config->wmm_ac_params[3] = ac_vo;
6fc6879b
JM		 2985
2986 if (ctrl_interface)
2987 config->ctrl_interface = os_strdup(ctrl_interface);
2988 if (driver_param)
2989 config->driver_param = os_strdup(driver_param);
2990
2991 return config;
2992}
2993
2994
2995#ifndef CONFIG_NO_STDOUT_DEBUG
2996/**
2997 * wpa_config_debug_dump_networks - Debug dump of configured networks
2998 * @config: Configuration data from wpa_config_read()
2999 */
3000void wpa_config_debug_dump_networks(struct wpa_config *config)
3001{
3002 int prio;
3003 struct wpa_ssid *ssid;
3004
3005 for (prio = 0; prio < config->num_prio; prio++) {
3006 ssid = config->pssid[prio];
3007 wpa_printf(MSG_DEBUG, "Priority group %d",
3008 ssid->priority);
3009 while (ssid) {
3010 wpa_printf(MSG_DEBUG, " id=%d ssid='%s'",
3011 ssid->id,
3012 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
3013 ssid = ssid->pnext;
3014 }
3015 }
3016}
3017#endif /* CONFIG_NO_STDOUT_DEBUG */
121adf9c
JM		 3018
3019
3020struct global_parse_data {
3021 char *name;
3022 int (*parser)(const struct global_parse_data *data,
3023 struct wpa_config *config, int line, const char *value);
3024 void *param1, *param2, *param3;
1d47214a 3025 unsigned int changed_flag;
121adf9c
JM		 3026};
3027
3028
3029static int wpa_global_config_parse_int(const struct global_parse_data *data,
3030 struct wpa_config *config, int line,
3031 const char *pos)
3032{
eae3a584
JB		 3033 int val, *dst;
3034 char *end;
3035
121adf9c 3036 dst = (int *) (((u8 *) config) + (long) data->param1);
eae3a584
JB		 3037 val = strtol(pos, &end, 0);
3038 if (*end) {
3039 wpa_printf(MSG_ERROR, "Line %d: invalid number \"%s\"",
3040 line, pos);
3041 return -1;
3042 }
3043 *dst = val;
3044
121adf9c
JM		 3045 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
3046
3047 if (data->param2 && *dst < (long) data->param2) {
3048 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
3049 "min_value=%ld)", line, data->name, *dst,
3050 (long) data->param2);
3051 *dst = (long) data->param2;
3052 return -1;
3053 }
3054
3055 if (data->param3 && *dst > (long) data->param3) {
3056 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
3057 "max_value=%ld)", line, data->name, *dst,
3058 (long) data->param3);
3059 *dst = (long) data->param3;
3060 return -1;
3061 }
3062
3063 return 0;
3064}
3065
3066
3067static int wpa_global_config_parse_str(const struct global_parse_data *data,
3068 struct wpa_config *config, int line,
3069 const char *pos)
3070{
3071 size_t len;
3072 char **dst, *tmp;
3073
3074 len = os_strlen(pos);
3075 if (data->param2 && len < (size_t) data->param2) {
3076 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
3077 "min_len=%ld)", line, data->name,
3078 (unsigned long) len, (long) data->param2);
3079 return -1;
3080 }
3081
3082 if (data->param3 && len > (size_t) data->param3) {
3083 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
3084 "max_len=%ld)", line, data->name,
3085 (unsigned long) len, (long) data->param3);
3086 return -1;
3087 }
3088
3089 tmp = os_strdup(pos);
3090 if (tmp == NULL)
3091 return -1;
3092
3093 dst = (char **) (((u8 *) config) + (long) data->param1);
3094 os_free(*dst);
3095 *dst = tmp;
3096 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
3097
3098 return 0;
3099}
3100
3101
31392709
HD		 3102static int wpa_config_process_bgscan(const struct global_parse_data *data,
3103 struct wpa_config *config, int line,
3104 const char *pos)
3105{
3106 size_t len;
3107 char *tmp;
04c366cb 3108 int res;
31392709
HD		 3109
3110 tmp = wpa_config_parse_string(pos, &len);
3111 if (tmp == NULL) {
3112 wpa_printf(MSG_ERROR, "Line %d: failed to parse %s",
3113 line, data->name);
3114 return -1;
3115 }
3116
04c366cb
EL		 3117 res = wpa_global_config_parse_str(data, config, line, tmp);
3118 os_free(tmp);
3119 return res;
31392709
HD		 3120}
3121
3122
3f2c8ba6
JM		 3123static int wpa_global_config_parse_bin(const struct global_parse_data *data,
3124 struct wpa_config *config, int line,
3125 const char *pos)
3126{
3127 size_t len;
3128 struct wpabuf **dst, *tmp;
3129
3130 len = os_strlen(pos);
3131 if (len & 0x01)
3132 return -1;
3133
3134 tmp = wpabuf_alloc(len / 2);
3135 if (tmp == NULL)
3136 return -1;
3137
3138 if (hexstr2bin(pos, wpabuf_put(tmp, len / 2), len / 2)) {
3139 wpabuf_free(tmp);
3140 return -1;
3141 }
3142
3143 dst = (struct wpabuf **) (((u8 *) config) + (long) data->param1);
3144 wpabuf_free(*dst);
3145 *dst = tmp;
3146 wpa_printf(MSG_DEBUG, "%s", data->name);
3147
3148 return 0;
3149}
3150
3151
f5ffc348
BG		 3152static int wpa_config_process_freq_list(const struct global_parse_data *data,
3153 struct wpa_config *config, int line,
3154 const char *value)
3155{
3156 int *freqs;
3157
3158 freqs = wpa_config_parse_int_array(value);
3159 if (freqs == NULL)
3160 return -1;
6668efda
JM		 3161 if (freqs[0] == 0) {
3162 os_free(freqs);
3163 freqs = NULL;
3164 }
f5ffc348
BG		 3165 os_free(config->freq_list);
3166 config->freq_list = freqs;
3167 return 0;
3168}
3169
3170
25ef8529
JM		 3171#ifdef CONFIG_P2P
3172static int wpa_global_config_parse_ipv4(const struct global_parse_data *data,
3173 struct wpa_config *config, int line,
3174 const char *pos)
3175{
3176 u32 *dst;
3177 struct hostapd_ip_addr addr;
3178
3179 if (hostapd_parse_ip_addr(pos, &addr) < 0)
3180 return -1;
3181 if (addr.af != AF_INET)
3182 return -1;
3183
3184 dst = (u32 *) (((u8 *) config) + (long) data->param1);
3185 os_memcpy(dst, &addr.u.v4.s_addr, 4);
3186 wpa_printf(MSG_DEBUG, "%s = 0x%x", data->name,
3187 WPA_GET_BE32((u8 *) dst));
3188
3189 return 0;
3190}
3191#endif /* CONFIG_P2P */
3192
3193
121adf9c
JM		 3194static int wpa_config_process_country(const struct global_parse_data *data,
3195 struct wpa_config *config, int line,
3196 const char *pos)
3197{
3198 if (!pos[0] || !pos[1]) {
3199 wpa_printf(MSG_DEBUG, "Invalid country set");
3200 return -1;
3201 }
3202 config->country[0] = pos[0];
3203 config->country[1] = pos[1];
3204 wpa_printf(MSG_DEBUG, "country='%c%c'",
3205 config->country[0], config->country[1]);
3206 return 0;
3207}
3208
3209
3210static int wpa_config_process_load_dynamic_eap(
3211 const struct global_parse_data *data, struct wpa_config *config,
3212 int line, const char *so)
3213{
3214 int ret;
3215 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
3216 ret = eap_peer_method_load(so);
3217 if (ret == -2) {
3218 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
3219 "reloading.");
3220 } else if (ret) {
3221 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
3222 "method '%s'.", line, so);
3223 return -1;
3224 }
3225
3226 return 0;
3227}
3228
3229
3230#ifdef CONFIG_WPS
3231
3232static int wpa_config_process_uuid(const struct global_parse_data *data,
3233 struct wpa_config *config, int line,
3234 const char *pos)
3235{
3236 char buf[40];
3237 if (uuid_str2bin(pos, config->uuid)) {
3238 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
3239 return -1;
3240 }
3241 uuid_bin2str(config->uuid, buf, sizeof(buf));
3242 wpa_printf(MSG_DEBUG, "uuid=%s", buf);
3243 return 0;
3244}
3245
3246
2f646b6e
JB		 3247static int wpa_config_process_device_type(
3248 const struct global_parse_data *data,
3249 struct wpa_config *config, int line, const char *pos)
3250{
3251 return wps_dev_type_str2bin(pos, config->device_type);
3252}
3253
3254
121adf9c
JM		 3255static int wpa_config_process_os_version(const struct global_parse_data *data,
3256 struct wpa_config *config, int line,
3257 const char *pos)
3258{
3259 if (hexstr2bin(pos, config->os_version, 4)) {
3260 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
3261 return -1;
3262 }
3263 wpa_printf(MSG_DEBUG, "os_version=%08x",
3264 WPA_GET_BE32(config->os_version));
3265 return 0;
3266}
3267
71dd3b78
AS		 3268
3269static int wpa_config_process_wps_vendor_ext_m1(
3270 const struct global_parse_data *data,
3271 struct wpa_config *config, int line, const char *pos)
3272{
3273 struct wpabuf *tmp;
3274 int len = os_strlen(pos) / 2;
3275 u8 *p;
3276
3277 if (!len) {
3278 wpa_printf(MSG_ERROR, "Line %d: "
3279 "invalid wps_vendor_ext_m1", line);
3280 return -1;
3281 }
3282
3283 tmp = wpabuf_alloc(len);
3284 if (tmp) {
3285 p = wpabuf_put(tmp, len);
3286
3287 if (hexstr2bin(pos, p, len)) {
3288 wpa_printf(MSG_ERROR, "Line %d: "
3289 "invalid wps_vendor_ext_m1", line);
3290 wpabuf_free(tmp);
3291 return -1;
3292 }
3293
3294 wpabuf_free(config->wps_vendor_ext_m1);
3295 config->wps_vendor_ext_m1 = tmp;
3296 } else {
3297 wpa_printf(MSG_ERROR, "Can not allocate "
3298 "memory for wps_vendor_ext_m1");
3299 return -1;
3300 }
3301
3302 return 0;
3303}
3304
121adf9c
JM		 3305#endif /* CONFIG_WPS */
3306
e3768e7c
JM		 3307#ifdef CONFIG_P2P
3308static int wpa_config_process_sec_device_type(
3309 const struct global_parse_data *data,
3310 struct wpa_config *config, int line, const char *pos)
3311{
3312 int idx;
3313
2f646b6e 3314 if (config->num_sec_device_types >= MAX_SEC_DEVICE_TYPES) {
e3768e7c
JM		 3315 wpa_printf(MSG_ERROR, "Line %d: too many sec_device_type "
3316 "items", line);
3317 return -1;
3318 }
3319
2f646b6e
JB		 3320 idx = config->num_sec_device_types;
3321
3322 if (wps_dev_type_str2bin(pos, config->sec_device_type[idx]))
e3768e7c 3323 return -1;
2f646b6e
JB		 3324
3325 config->num_sec_device_types++;
e3768e7c
JM		 3326 return 0;
3327}
21d996f7
JM		 3328
3329
3330static int wpa_config_process_p2p_pref_chan(
3331 const struct global_parse_data *data,
3332 struct wpa_config *config, int line, const char *pos)
3333{
3334 struct p2p_channel *pref = NULL, *n;
3335 unsigned int num = 0;
3336 const char *pos2;
3337 u8 op_class, chan;
3338
3339 /* format: class:chan,class:chan,... */
3340
3341 while (*pos) {
3342 op_class = atoi(pos);
3343 pos2 = os_strchr(pos, ':');
3344 if (pos2 == NULL)
3345 goto fail;
3346 pos2++;
3347 chan = atoi(pos2);
3348
067ffa26
JM		 3349 n = os_realloc_array(pref, num + 1,
3350 sizeof(struct p2p_channel));
21d996f7
JM		 3351 if (n == NULL)
3352 goto fail;
3353 pref = n;
3354 pref[num].op_class = op_class;
3355 pref[num].chan = chan;
3356 num++;
3357
3358 pos = os_strchr(pos2, ',');
3359 if (pos == NULL)
3360 break;
3361 pos++;
3362 }
3363
3364 os_free(config->p2p_pref_chan);
3365 config->p2p_pref_chan = pref;
3366 config->num_p2p_pref_chan = num;
3367 wpa_hexdump(MSG_DEBUG, "P2P: Preferred class/channel pairs",
3368 (u8 *) config->p2p_pref_chan,
3369 config->num_p2p_pref_chan * sizeof(struct p2p_channel));
3370
3371 return 0;
3372
3373fail:
3374 os_free(pref);
3375 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_pref_chan list", line);
3376 return -1;
3377}
556b30da
JM		 3378
3379
3380static int wpa_config_process_p2p_no_go_freq(
3381 const struct global_parse_data *data,
3382 struct wpa_config *config, int line, const char *pos)
3383{
3384 int ret;
3385
3386 ret = freq_range_list_parse(&config->p2p_no_go_freq, pos);
3387 if (ret < 0) {
3388 wpa_printf(MSG_ERROR, "Line %d: Invalid p2p_no_go_freq", line);
3389 return -1;
3390 }
3391
3392 wpa_printf(MSG_DEBUG, "P2P: p2p_no_go_freq with %u items",
3393 config->p2p_no_go_freq.num);
3394
3395 return 0;
3396}
3397
e3768e7c
JM		 3398#endif /* CONFIG_P2P */
3399
121adf9c 3400
46ee0427
JM		 3401static int wpa_config_process_hessid(
3402 const struct global_parse_data *data,
3403 struct wpa_config *config, int line, const char *pos)
3404{
3405 if (hwaddr_aton2(pos, config->hessid) < 0) {
3406 wpa_printf(MSG_ERROR, "Line %d: Invalid hessid '%s'",
3407 line, pos);
3408 return -1;
3409 }
3410
3411 return 0;
3412}
3413
3414
625f202a
JM		 3415static int wpa_config_process_sae_groups(
3416 const struct global_parse_data *data,
3417 struct wpa_config *config, int line, const char *pos)
3418{
3419 int *groups = wpa_config_parse_int_array(pos);
3420 if (groups == NULL) {
3421 wpa_printf(MSG_ERROR, "Line %d: Invalid sae_groups '%s'",
3422 line, pos);
3423 return -1;
3424 }
3425
3426 os_free(config->sae_groups);
3427 config->sae_groups = groups;
3428
3429 return 0;
3430}
3431
3432
18a2eaab
JM		 3433static int wpa_config_process_ap_vendor_elements(
3434 const struct global_parse_data *data,
3435 struct wpa_config *config, int line, const char *pos)
3436{
3437 struct wpabuf *tmp;
3438 int len = os_strlen(pos) / 2;
3439 u8 *p;
3440
3441 if (!len) {
3442 wpa_printf(MSG_ERROR, "Line %d: invalid ap_vendor_elements",
3443 line);
3444 return -1;
3445 }
3446
3447 tmp = wpabuf_alloc(len);
3448 if (tmp) {
3449 p = wpabuf_put(tmp, len);
3450
3451 if (hexstr2bin(pos, p, len)) {
3452 wpa_printf(MSG_ERROR, "Line %d: invalid "
3453 "ap_vendor_elements", line);
3454 wpabuf_free(tmp);
3455 return -1;
3456 }
3457
3458 wpabuf_free(config->ap_vendor_elements);
3459 config->ap_vendor_elements = tmp;
3460 } else {
3461 wpa_printf(MSG_ERROR, "Cannot allocate memory for "
3462 "ap_vendor_elements");
3463 return -1;
3464 }
3465
3466 return 0;
3467}
3468
3469
298f5185 3470#ifdef CONFIG_CTRL_IFACE
ea61aa1d
JM		 3471static int wpa_config_process_no_ctrl_interface(
3472 const struct global_parse_data *data,
3473 struct wpa_config *config, int line, const char *pos)
3474{
3475 wpa_printf(MSG_DEBUG, "no_ctrl_interface -> ctrl_interface=NULL");
3476 os_free(config->ctrl_interface);
3477 config->ctrl_interface = NULL;
3478 return 0;
3479}
298f5185 3480#endif /* CONFIG_CTRL_IFACE */
ea61aa1d
JM		 3481
3482
121adf9c
JM		 3483#ifdef OFFSET
3484#undef OFFSET
3485#endif /* OFFSET */
3486/* OFFSET: Get offset of a variable within the wpa_config structure */
3487#define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
3488
3489#define FUNC(f) #f, wpa_config_process_ ## f, OFFSET(f), NULL, NULL
3490#define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL
3491#define _INT(f) #f, wpa_global_config_parse_int, OFFSET(f)
3492#define INT(f) _INT(f), NULL, NULL
3493#define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
3494#define _STR(f) #f, wpa_global_config_parse_str, OFFSET(f)
3495#define STR(f) _STR(f), NULL, NULL
3496#define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
3f2c8ba6 3497#define BIN(f) #f, wpa_global_config_parse_bin, OFFSET(f), NULL, NULL
25ef8529 3498#define IPV4(f) #f, wpa_global_config_parse_ipv4, OFFSET(f), NULL, NULL
121adf9c
JM		 3499
3500static const struct global_parse_data global_fields[] = {
3501#ifdef CONFIG_CTRL_IFACE
1d47214a 3502 { STR(ctrl_interface), 0 },
ea61aa1d 3503 { FUNC_NO_VAR(no_ctrl_interface), 0 },
1d47214a 3504 { STR(ctrl_interface_group), 0 } /* deprecated */,
121adf9c 3505#endif /* CONFIG_CTRL_IFACE */
1d47214a
JM		 3506 { INT_RANGE(eapol_version, 1, 2), 0 },
3507 { INT(ap_scan), 0 },
31392709 3508 { FUNC(bgscan), 0 },
54ddd743 3509 { INT(disable_scan_offload), 0 },
1d47214a
JM		 3510 { INT(fast_reauth), 0 },
3511 { STR(opensc_engine_path), 0 },
3512 { STR(pkcs11_engine_path), 0 },
3513 { STR(pkcs11_module_path), 0 },
f64adcd7
JM		 3514 { STR(pcsc_reader), 0 },
3515 { STR(pcsc_pin), 0 },
a5d44ac0 3516 { INT(external_sim), 0 },
1d47214a
JM		 3517 { STR(driver_param), 0 },
3518 { INT(dot11RSNAConfigPMKLifetime), 0 },
3519 { INT(dot11RSNAConfigPMKReauthThreshold), 0 },
3520 { INT(dot11RSNAConfigSATimeout), 0 },
121adf9c 3521#ifndef CONFIG_NO_CONFIG_WRITE
1d47214a 3522 { INT(update_config), 0 },
121adf9c 3523#endif /* CONFIG_NO_CONFIG_WRITE */
1d47214a 3524 { FUNC_NO_VAR(load_dynamic_eap), 0 },
121adf9c 3525#ifdef CONFIG_WPS
1d47214a
JM		 3526 { FUNC(uuid), CFG_CHANGED_UUID },
3527 { STR_RANGE(device_name, 0, 32), CFG_CHANGED_DEVICE_NAME },
1c9cb49f
JM		 3528 { STR_RANGE(manufacturer, 0, 64), CFG_CHANGED_WPS_STRING },
3529 { STR_RANGE(model_name, 0, 32), CFG_CHANGED_WPS_STRING },
3530 { STR_RANGE(model_number, 0, 32), CFG_CHANGED_WPS_STRING },
3531 { STR_RANGE(serial_number, 0, 32), CFG_CHANGED_WPS_STRING },
2f646b6e 3532 { FUNC(device_type), CFG_CHANGED_DEVICE_TYPE },
1d47214a
JM		 3533 { FUNC(os_version), CFG_CHANGED_OS_VERSION },
3534 { STR(config_methods), CFG_CHANGED_CONFIG_METHODS },
3535 { INT_RANGE(wps_cred_processing, 0, 2), 0 },
71dd3b78 3536 { FUNC(wps_vendor_ext_m1), CFG_CHANGED_VENDOR_EXTENSION },
121adf9c 3537#endif /* CONFIG_WPS */
e3768e7c
JM		 3538#ifdef CONFIG_P2P
3539 { FUNC(sec_device_type), CFG_CHANGED_SEC_DEVICE_TYPE },
3540 { INT(p2p_listen_reg_class), 0 },
3541 { INT(p2p_listen_channel), 0 },
00eb2993
JM		 3542 { INT(p2p_oper_reg_class), CFG_CHANGED_P2P_OPER_CHANNEL },
3543 { INT(p2p_oper_channel), CFG_CHANGED_P2P_OPER_CHANNEL },
e3768e7c
JM		 3544 { INT_RANGE(p2p_go_intent, 0, 15), 0 },
3545 { STR(p2p_ssid_postfix), CFG_CHANGED_P2P_SSID_POSTFIX },
3546 { INT_RANGE(persistent_reconnect, 0, 1), 0 },
0f66abd2 3547 { INT_RANGE(p2p_intra_bss, 0, 1), CFG_CHANGED_P2P_INTRA_BSS },
3071e181 3548 { INT(p2p_group_idle), 0 },
21d996f7 3549 { FUNC(p2p_pref_chan), CFG_CHANGED_P2P_PREF_CHAN },
556b30da 3550 { FUNC(p2p_no_go_freq), CFG_CHANGED_P2P_PREF_CHAN },
51e9f228 3551 { INT_RANGE(p2p_add_cli_chan, 0, 1), 0 },
a93a15bb 3552 { INT(p2p_go_ht40), 0 },
20ea1ca4 3553 { INT(p2p_go_vht), 0 },
7a808c7e 3554 { INT(p2p_disabled), 0 },
d76cd41a 3555 { INT(p2p_no_group_iface), 0 },
b277a2be 3556 { INT_RANGE(p2p_ignore_shared_freq, 0, 1), 0 },
25ef8529
JM		 3557 { IPV4(ip_addr_go), 0 },
3558 { IPV4(ip_addr_mask), 0 },
3559 { IPV4(ip_addr_start), 0 },
3560 { IPV4(ip_addr_end), 0 },
e3768e7c 3561#endif /* CONFIG_P2P */
1d47214a
JM		 3562 { FUNC(country), CFG_CHANGED_COUNTRY },
3563 { INT(bss_max_count), 0 },
78633c37
SL		 3564 { INT(bss_expiration_age), 0 },
3565 { INT(bss_expiration_scan_count), 0 },
dae608d5 3566 { INT_RANGE(filter_ssids, 0, 1), 0 },
bf8d6d24 3567 { INT_RANGE(filter_rssi, -100, 0), 0 },
0d7e5a3a 3568 { INT(max_num_sta), 0 },
46ee0427 3569 { INT_RANGE(disassoc_low_ack, 0, 1), 0 },
66aadbd7
JK		 3570#ifdef CONFIG_HS20
3571 { INT_RANGE(hs20, 0, 1), 0 },
3572#endif /* CONFIG_HS20 */
46ee0427 3573 { INT_RANGE(interworking, 0, 1), 0 },
11540c0b 3574 { FUNC(hessid), 0 },
1298c145 3575 { INT_RANGE(access_network_type, 0, 15), 0 },
b0786fba 3576 { INT_RANGE(pbc_in_m1, 0, 1), 0 },
3f2c8ba6 3577 { STR(autoscan), 0 },
042ec551
JM		 3578 { INT_RANGE(wps_nfc_dev_pw_id, 0x10, 0xffff),
3579 CFG_CHANGED_NFC_PASSWORD_TOKEN },
3580 { BIN(wps_nfc_dh_pubkey), CFG_CHANGED_NFC_PASSWORD_TOKEN },
3581 { BIN(wps_nfc_dh_privkey), CFG_CHANGED_NFC_PASSWORD_TOKEN },
3582 { BIN(wps_nfc_dev_pw), CFG_CHANGED_NFC_PASSWORD_TOKEN },
462a7439
ES		 3583 { STR(ext_password_backend), CFG_CHANGED_EXT_PW_BACKEND },
3584 { INT(p2p_go_max_inactivity), 0 },
4d5bda5f 3585 { INT_RANGE(auto_interworking, 0, 1), 0 },
6e202021 3586 { INT(okc), 0 },
62d49803 3587 { INT(pmf), 0 },
625f202a 3588 { FUNC(sae_groups), 0 },
18206e02
JM		 3589 { INT(dtim_period), 0 },
3590 { INT(beacon_int), 0 },
18a2eaab 3591 { FUNC(ap_vendor_elements), 0 },
4342326f 3592 { INT_RANGE(ignore_old_scan_res, 0, 1), 0 },
f5ffc348 3593 { FUNC(freq_list), 0 },
6124e858 3594 { INT(scan_cur_freq), 0 },
4aa81868 3595 { INT(sched_scan_interval), 0 },
800d5872 3596 { INT(tdls_external_control), 0},
b572df86 3597 { STR(osu_dir), 0 },
121adf9c
JM		 3598};
3599
3600#undef FUNC
3601#undef _INT
3602#undef INT
3603#undef INT_RANGE
3604#undef _STR
3605#undef STR
3606#undef STR_RANGE
3f2c8ba6 3607#undef BIN
25ef8529 3608#undef IPV4
e7ecab4a 3609#define NUM_GLOBAL_FIELDS ARRAY_SIZE(global_fields)
121adf9c
JM		 3610
3611
3612int wpa_config_process_global(struct wpa_config *config, char *pos, int line)
3613{
3614 size_t i;
3615 int ret = 0;
3616
3617 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
3618 const struct global_parse_data *field = &global_fields[i];
3619 size_t flen = os_strlen(field->name);
3620 if (os_strncmp(pos, field->name, flen) != 0 ||
3621 pos[flen] != '=')
3622 continue;
3623
3624 if (field->parser(field, config, line, pos + flen + 1)) {
3625 wpa_printf(MSG_ERROR, "Line %d: failed to "
3626 "parse '%s'.", line, pos);
3627 ret = -1;
3628 }
042ec551
JM		 3629 if (field->changed_flag == CFG_CHANGED_NFC_PASSWORD_TOKEN)
3630 config->wps_nfc_pw_from_config = 1;
1d47214a 3631 config->changed_parameters |= field->changed_flag;
121adf9c
JM		 3632 break;
3633 }
3634 if (i == NUM_GLOBAL_FIELDS) {
c26effe1
YD		 3635#ifdef CONFIG_AP
3636 if (os_strncmp(pos, "wmm_ac_", 7) == 0) {
3637 char *tmp = os_strchr(pos, '=');
3638 if (tmp == NULL) {
3639 if (line < 0)
3640 return -1;
3641 wpa_printf(MSG_ERROR, "Line %d: invalid line "
3642 "'%s'", line, pos);
3643 return -1;
3644 }
3645 *tmp++ = '\0';
3646 if (hostapd_config_wmm_ac(config->wmm_ac_params, pos,
3647 tmp)) {
3648 wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
3649 "AC item", line);
3650 return -1;
3651 }
3652 }
3653#endif /* CONFIG_AP */
1d47214a
JM		 3654 if (line < 0)
3655 return -1;
121adf9c
JM		 3656 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",
3657 line, pos);
3658 ret = -1;
3659 }
3660
3661 return ret;
3662}
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