← Back to branch summary

~ubuntu-branches/ubuntu/vivid/wpasupplicant/vivid

« back to all changes in this revision

Viewing changes to wpa_supplicant/ctrl_iface_udp.c

  • Committer: Bazaar Package Importer
  • Author(s): Kel Modderman
  • Date: 2008-03-12 20:03:04 UTC
  • mfrom: (1.1.10 upstream)
  • mto: This revision was merged to the branch mainline in revision 4.
  • Revision ID: james.westby@ubuntu.com-20080312200304-4331y9wj46pdd34z
Tags: 0.6.3-1
http://bugs.debian.org/466910
* New upstream release.
* Drop patches applied upstream:
  - debian/patches/30_wpa_gui_qt4_eventhistoryui_rework.patch
  - debian/patches/31_wpa_gui_qt4_eventhistory_always_scrollbar.patch
  - debian/patches/32_wpa_gui_qt4_eventhistory_scroll_with_events.patch
  - debian/patches/40_dbus_ssid_data.patch
* Tidy up the clean target of debian/rules. Now that the madwifi headers are
  handled differently we no longer need to do any cleanup.
* Fix formatting error in debian/ifupdown/wpa_action.8 to make lintian
  quieter.
* Add patch to fix formatting errors in manpages build from sgml source. Use
  <emphasis> tags to hightlight keywords instead of surrounding them in
  strong quotes.
  - debian/patches/41_manpage_format_fixes.patch
* wpasupplicant binary package no longer suggests pcscd, guessnet, iproute
  or wireless-tools, nor does it recommend dhcp3-client. These are not
  needed.
* Add debian/patches/10_silence_siocsiwauth_icotl_failure.patch to disable
  ioctl failure messages that occur under normal conditions.
* Cherry pick two upstream git commits concerning the dbus interface:
  - debian/patches/11_avoid_dbus_version_namespace.patch
  - debian/patches/12_fix_potential_use_after_free.patch
* Add debian/patches/42_manpage_explain_available_drivers.patch to explain
  that not all of the driver backends are available in the provided
  wpa_supplicant binary, and that the canonical list of supported driver
  backends can be retrieved from the wpa_supplicant -h (help) output.
  (Closes: #466910)
* Add debian/patches/20_wpa_gui_qt4_disable_link_prl.patch to remove
  link_prl CONFIG compile flag added by qmake-qt4 >= 4.3.4-2 to avoid excess
  linking.

Show diffs side-by-side

added added

removed removed

Lines of Context:
wpa_supplicant/ctrl_iface_udp.c
 
1
/*
 
2
 * WPA Supplicant / UDP socket -based control interface
 
3
 * Copyright (c) 2004-2005, Jouni Malinen <j@w1.fi>
 
4
 *
 
5
 * This program is free software; you can redistribute it and/or modify
 
6
 * it under the terms of the GNU General Public License version 2 as
 
7
 * published by the Free Software Foundation.
 
8
 *
 
9
 * Alternatively, this software may be distributed under the terms of BSD
 
10
 * license.
 
11
 *
 
12
 * See README and COPYING for more details.
 
13
 */
 
14
 
 
15
#include "includes.h"
 
16
 
 
17
#include "common.h"
 
18
#include "eloop.h"
 
19
#include "config.h"
 
20
#include "eapol_supp/eapol_supp_sm.h"
 
21
#include "wpa_supplicant_i.h"
 
22
#include "ctrl_iface.h"
 
23
#include "wpa_ctrl.h"
 
24
 
 
25
 
 
26
#define COOKIE_LEN 8
 
27
 
 
28
/* Per-interface ctrl_iface */
 
29
 
 
30
/**
 
31
 * struct wpa_ctrl_dst - Internal data structure of control interface monitors
 
32
 *
 
33
 * This structure is used to store information about registered control
 
34
 * interface monitors into struct wpa_supplicant. This data is private to
 
35
 * ctrl_iface_udp.c and should not be touched directly from other files.
 
36
 */
 
37
struct wpa_ctrl_dst {
 
38
        struct wpa_ctrl_dst *next;
 
39
        struct sockaddr_in addr;
 
40
        socklen_t addrlen;
 
41
        int debug_level;
 
42
        int errors;
 
43
};
 
44
 
 
45
 
 
46
struct ctrl_iface_priv {
 
47
        struct wpa_supplicant *wpa_s;
 
48
        int sock;
 
49
        struct wpa_ctrl_dst *ctrl_dst;
 
50
        u8 cookie[COOKIE_LEN];
 
51
};
 
52
 
 
53
 
 
54
static void wpa_supplicant_ctrl_iface_send(struct ctrl_iface_priv *priv,
 
55
                                           int level, const char *buf,
 
56
                                           size_t len);
 
57
 
 
58
 
 
59
static int wpa_supplicant_ctrl_iface_attach(struct ctrl_iface_priv *priv,
 
60
                                            struct sockaddr_in *from,
 
61
                                            socklen_t fromlen)
 
62
{
 
63
        struct wpa_ctrl_dst *dst;
 
64
 
 
65
        dst = os_zalloc(sizeof(*dst));
 
66
        if (dst == NULL)
 
67
                return -1;
 
68
        os_memcpy(&dst->addr, from, sizeof(struct sockaddr_in));
 
69
        dst->addrlen = fromlen;
 
70
        dst->debug_level = MSG_INFO;
 
71
        dst->next = priv->ctrl_dst;
 
72
        priv->ctrl_dst = dst;
 
73
        wpa_printf(MSG_DEBUG, "CTRL_IFACE monitor attached %s:%d",
 
74
                   inet_ntoa(from->sin_addr), ntohs(from->sin_port));
 
75
        return 0;
 
76
}
 
77
 
 
78
 
 
79
static int wpa_supplicant_ctrl_iface_detach(struct ctrl_iface_priv *priv,
 
80
                                            struct sockaddr_in *from,
 
81
                                            socklen_t fromlen)
 
82
{
 
83
        struct wpa_ctrl_dst *dst, *prev = NULL;
 
84
 
 
85
        dst = priv->ctrl_dst;
 
86
        while (dst) {
 
87
                if (from->sin_addr.s_addr == dst->addr.sin_addr.s_addr &&
 
88
                    from->sin_port == dst->addr.sin_port) {
 
89
                        if (prev == NULL)
 
90
                                priv->ctrl_dst = dst->next;
 
91
                        else
 
92
                                prev->next = dst->next;
 
93
                        os_free(dst);
 
94
                        wpa_printf(MSG_DEBUG, "CTRL_IFACE monitor detached "
 
95
                                   "%s:%d", inet_ntoa(from->sin_addr),
 
96
                                   ntohs(from->sin_port));
 
97
                        return 0;
 
98
                }
 
99
                prev = dst;
 
100
                dst = dst->next;
 
101
        }
 
102
        return -1;
 
103
}
 
104
 
 
105
 
 
106
static int wpa_supplicant_ctrl_iface_level(struct ctrl_iface_priv *priv,
 
107
                                           struct sockaddr_in *from,
 
108
                                           socklen_t fromlen,
 
109
                                           char *level)
 
110
{
 
111
        struct wpa_ctrl_dst *dst;
 
112
 
 
113
        wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
 
114
 
 
115
        dst = priv->ctrl_dst;
 
116
        while (dst) {
 
117
                if (from->sin_addr.s_addr == dst->addr.sin_addr.s_addr &&
 
118
                    from->sin_port == dst->addr.sin_port) {
 
119
                        wpa_printf(MSG_DEBUG, "CTRL_IFACE changed monitor "
 
120
                                   "level %s:%d", inet_ntoa(from->sin_addr),
 
121
                                   ntohs(from->sin_port));
 
122
                        dst->debug_level = atoi(level);
 
123
                        return 0;
 
124
                }
 
125
                dst = dst->next;
 
126
        }
 
127
 
 
128
        return -1;
 
129
}
 
130
 
 
131
 
 
132
static char *
 
133
wpa_supplicant_ctrl_iface_get_cookie(struct ctrl_iface_priv *priv,
 
134
                                     size_t *reply_len)
 
135
{
 
136
        char *reply;
 
137
        reply = os_malloc(7 + 2 * COOKIE_LEN + 1);
 
138
        if (reply == NULL) {
 
139
                *reply_len = 1;
 
140
                return NULL;
 
141
        }
 
142
 
 
143
        os_memcpy(reply, "COOKIE=", 7);
 
144
        wpa_snprintf_hex(reply + 7, 2 * COOKIE_LEN + 1,
 
145
                         priv->cookie, COOKIE_LEN);
 
146
 
 
147
        *reply_len = 7 + 2 * COOKIE_LEN;
 
148
        return reply;
 
149
}
 
150
 
 
151
 
 
152
static void wpa_supplicant_ctrl_iface_receive(int sock, void *eloop_ctx,
 
153
                                              void *sock_ctx)
 
154
{
 
155
        struct wpa_supplicant *wpa_s = eloop_ctx;
 
156
        struct ctrl_iface_priv *priv = sock_ctx;
 
157
        char buf[256], *pos;
 
158
        int res;
 
159
        struct sockaddr_in from;
 
160
        socklen_t fromlen = sizeof(from);
 
161
        char *reply = NULL;
 
162
        size_t reply_len = 0;
 
163
        int new_attached = 0;
 
164
        u8 cookie[COOKIE_LEN];
 
165
 
 
166
        res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
 
167
                       (struct sockaddr *) &from, &fromlen);
 
168
        if (res < 0) {
 
169
                perror("recvfrom(ctrl_iface)");
 
170
                return;
 
171
        }
 
172
        if (from.sin_addr.s_addr != htonl((127 << 24) | 1)) {
 
173
                /*
 
174
                 * The OS networking stack is expected to drop this kind of
 
175
                 * frames since the socket is bound to only localhost address.
 
176
                 * Just in case, drop the frame if it is coming from any other
 
177
                 * address.
 
178
                 */
 
179
                wpa_printf(MSG_DEBUG, "CTRL: Drop packet from unexpected "
 
180
                           "source %s", inet_ntoa(from.sin_addr));
 
181
                return;
 
182
        }
 
183
        buf[res] = '\0';
 
184
 
 
185
        if (os_strcmp(buf, "GET_COOKIE") == 0) {
 
186
                reply = wpa_supplicant_ctrl_iface_get_cookie(priv, &reply_len);
 
187
                goto done;
 
188
        }
 
189
 
 
190
        /*
 
191
         * Require that the client includes a prefix with the 'cookie' value
 
192
         * fetched with GET_COOKIE command. This is used to verify that the
 
193
         * client has access to a bidirectional link over UDP in order to
 
194
         * avoid attacks using forged localhost IP address even if the OS does
 
195
         * not block such frames from remote destinations.
 
196
         */
 
197
        if (os_strncmp(buf, "COOKIE=", 7) != 0) {
 
198
                wpa_printf(MSG_DEBUG, "CTLR: No cookie in the request - "
 
199
                           "drop request");
 
200
                return;
 
201
        }
 
202
 
 
203
        if (hexstr2bin(buf + 7, cookie, COOKIE_LEN) < 0) {
 
204
                wpa_printf(MSG_DEBUG, "CTLR: Invalid cookie format in the "
 
205
                           "request - drop request");
 
206
                return;
 
207
        }
 
208
 
 
209
        if (os_memcmp(cookie, priv->cookie, COOKIE_LEN) != 0) {
 
210
                wpa_printf(MSG_DEBUG, "CTLR: Invalid cookie in the request - "
 
211
                           "drop request");
 
212
                return;
 
213
        }
 
214
 
 
215
        pos = buf + 7 + 2 * COOKIE_LEN;
 
216
        while (*pos == ' ')
 
217
                pos++;
 
218
 
 
219
        if (os_strcmp(pos, "ATTACH") == 0) {
 
220
                if (wpa_supplicant_ctrl_iface_attach(priv, &from, fromlen))
 
221
                        reply_len = 1;
 
222
                else {
 
223
                        new_attached = 1;
 
224
                        reply_len = 2;
 
225
                }
 
226
        } else if (os_strcmp(pos, "DETACH") == 0) {
 
227
                if (wpa_supplicant_ctrl_iface_detach(priv, &from, fromlen))
 
228
                        reply_len = 1;
 
229
                else
 
230
                        reply_len = 2;
 
231
        } else if (os_strncmp(pos, "LEVEL ", 6) == 0) {
 
232
                if (wpa_supplicant_ctrl_iface_level(priv, &from, fromlen,
 
233
                                                    pos + 6))
 
234
                        reply_len = 1;
 
235
                else
 
236
                        reply_len = 2;
 
237
        } else {
 
238
                reply = wpa_supplicant_ctrl_iface_process(wpa_s, pos,
 
239
                                                          &reply_len);
 
240
        }
 
241
 
 
242
 done:
 
243
        if (reply) {
 
244
                sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from,
 
245
                       fromlen);
 
246
                os_free(reply);
 
247
        } else if (reply_len == 1) {
 
248
                sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
 
249
                       fromlen);
 
250
        } else if (reply_len == 2) {
 
251
                sendto(sock, "OK\n", 3, 0, (struct sockaddr *) &from,
 
252
                       fromlen);
 
253
        }
 
254
 
 
255
        if (new_attached)
 
256
                eapol_sm_notify_ctrl_attached(wpa_s->eapol);
 
257
}
 
258
 
 
259
 
 
260
static void wpa_supplicant_ctrl_iface_msg_cb(void *ctx, int level,
 
261
                                             const char *txt, size_t len)
 
262
{
 
263
        struct wpa_supplicant *wpa_s = ctx;
 
264
        if (wpa_s == NULL || wpa_s->ctrl_iface == NULL)
 
265
                return;
 
266
        wpa_supplicant_ctrl_iface_send(wpa_s->ctrl_iface, level, txt, len);
 
267
}
 
268
 
 
269
 
 
270
struct ctrl_iface_priv *
 
271
wpa_supplicant_ctrl_iface_init(struct wpa_supplicant *wpa_s)
 
272
{
 
273
        struct ctrl_iface_priv *priv;
 
274
        struct sockaddr_in addr;
 
275
 
 
276
        priv = os_zalloc(sizeof(*priv));
 
277
        if (priv == NULL)
 
278
                return NULL;
 
279
        priv->wpa_s = wpa_s;
 
280
        priv->sock = -1;
 
281
        os_get_random(priv->cookie, COOKIE_LEN);
 
282
 
 
283
        if (wpa_s->conf->ctrl_interface == NULL)
 
284
                return priv;
 
285
 
 
286
        priv->sock = socket(PF_INET, SOCK_DGRAM, 0);
 
287
        if (priv->sock < 0) {
 
288
                perror("socket(PF_INET)");
 
289
                goto fail;
 
290
        }
 
291
 
 
292
        os_memset(&addr, 0, sizeof(addr));
 
293
        addr.sin_family = AF_INET;
 
294
        addr.sin_addr.s_addr = htonl((127 << 24) | 1);
 
295
        addr.sin_port = htons(WPA_CTRL_IFACE_PORT);
 
296
        if (bind(priv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
 
297
                perror("bind(AF_INET)");
 
298
                goto fail;
 
299
        }
 
300
 
 
301
        eloop_register_read_sock(priv->sock, wpa_supplicant_ctrl_iface_receive,
 
302
                                 wpa_s, priv);
 
303
        wpa_msg_register_cb(wpa_supplicant_ctrl_iface_msg_cb);
 
304
 
 
305
        return priv;
 
306
 
 
307
fail:
 
308
        if (priv->sock >= 0)
 
309
                close(priv->sock);
 
310
        os_free(priv);
 
311
        return NULL;
 
312
}
 
313
 
 
314
 
 
315
void wpa_supplicant_ctrl_iface_deinit(struct ctrl_iface_priv *priv)
 
316
{
 
317
        struct wpa_ctrl_dst *dst, *prev;
 
318
 
 
319
        if (priv->sock > -1) {
 
320
                eloop_unregister_read_sock(priv->sock);
 
321
                if (priv->ctrl_dst) {
 
322
                        /*
 
323
                         * Wait a second before closing the control socket if
 
324
                         * there are any attached monitors in order to allow
 
325
                         * them to receive any pending messages.
 
326
                         */
 
327
                        wpa_printf(MSG_DEBUG, "CTRL_IFACE wait for attached "
 
328
                                   "monitors to receive messages");
 
329
                        os_sleep(1, 0);
 
330
                }
 
331
                close(priv->sock);
 
332
                priv->sock = -1;
 
333
        }
 
334
 
 
335
        dst = priv->ctrl_dst;
 
336
        while (dst) {
 
337
                prev = dst;
 
338
                dst = dst->next;
 
339
                os_free(prev);
 
340
        }
 
341
        os_free(priv);
 
342
}
 
343
 
 
344
 
 
345
static void wpa_supplicant_ctrl_iface_send(struct ctrl_iface_priv *priv,
 
346
                                           int level, const char *buf,
 
347
                                           size_t len)
 
348
{
 
349
        struct wpa_ctrl_dst *dst, *next;
 
350
        char levelstr[10];
 
351
        int idx;
 
352
        char *sbuf;
 
353
        int llen;
 
354
 
 
355
        dst = priv->ctrl_dst;
 
356
        if (priv->sock < 0 || dst == NULL)
 
357
                return;
 
358
 
 
359
        os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
 
360
 
 
361
        llen = os_strlen(levelstr);
 
362
        sbuf = os_malloc(llen + len);
 
363
        if (sbuf == NULL)
 
364
                return;
 
365
 
 
366
        os_memcpy(sbuf, levelstr, llen);
 
367
        os_memcpy(sbuf + llen, buf, len);
 
368
 
 
369
        idx = 0;
 
370
        while (dst) {
 
371
                next = dst->next;
 
372
                if (level >= dst->debug_level) {
 
373
                        wpa_printf(MSG_DEBUG, "CTRL_IFACE monitor send %s:%d",
 
374
                                   inet_ntoa(dst->addr.sin_addr),
 
375
                                   ntohs(dst->addr.sin_port));
 
376
                        if (sendto(priv->sock, sbuf, llen + len, 0,
 
377
                                   (struct sockaddr *) &dst->addr,
 
378
                                   sizeof(dst->addr)) < 0) {
 
379
                                perror("sendto(CTRL_IFACE monitor)");
 
380
                                dst->errors++;
 
381
                                if (dst->errors > 10) {
 
382
                                        wpa_supplicant_ctrl_iface_detach(
 
383
                                                priv, &dst->addr,
 
384
                                                dst->addrlen);
 
385
                                }
 
386
                        } else
 
387
                                dst->errors = 0;
 
388
                }
 
389
                idx++;
 
390
                dst = next;
 
391
        }
 
392
        os_free(sbuf);
 
393
}
 
394
 
 
395
 
 
396
void wpa_supplicant_ctrl_iface_wait(struct ctrl_iface_priv *priv)
 
397
{
 
398
        wpa_printf(MSG_DEBUG, "CTRL_IFACE - %s - wait for monitor",
 
399
                   priv->wpa_s->ifname);
 
400
        eloop_wait_for_read_sock(priv->sock);
 
401
}
 
402
 
 
403
 
 
404
/* Global ctrl_iface */
 
405
 
 
406
struct ctrl_iface_global_priv {
 
407
        int sock;
 
408
        u8 cookie[COOKIE_LEN];
 
409
};
 
410
 
 
411
 
 
412
static char *
 
413
wpa_supplicant_global_get_cookie(struct ctrl_iface_global_priv *priv,
 
414
                                 size_t *reply_len)
 
415
{
 
416
        char *reply;
 
417
        reply = os_malloc(7 + 2 * COOKIE_LEN + 1);
 
418
        if (reply == NULL) {
 
419
                *reply_len = 1;
 
420
                return NULL;
 
421
        }
 
422
 
 
423
        os_memcpy(reply, "COOKIE=", 7);
 
424
        wpa_snprintf_hex(reply + 7, 2 * COOKIE_LEN + 1,
 
425
                         priv->cookie, COOKIE_LEN);
 
426
 
 
427
        *reply_len = 7 + 2 * COOKIE_LEN;
 
428
        return reply;
 
429
}
 
430
 
 
431
 
 
432
static void wpa_supplicant_global_ctrl_iface_receive(int sock, void *eloop_ctx,
 
433
                                                     void *sock_ctx)
 
434
{
 
435
        struct wpa_global *global = eloop_ctx;
 
436
        struct ctrl_iface_global_priv *priv = sock_ctx;
 
437
        char buf[256], *pos;
 
438
        int res;
 
439
        struct sockaddr_in from;
 
440
        socklen_t fromlen = sizeof(from);
 
441
        char *reply;
 
442
        size_t reply_len;
 
443
        u8 cookie[COOKIE_LEN];
 
444
 
 
445
        res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
 
446
                       (struct sockaddr *) &from, &fromlen);
 
447
        if (res < 0) {
 
448
                perror("recvfrom(ctrl_iface)");
 
449
                return;
 
450
        }
 
451
        if (from.sin_addr.s_addr != htonl((127 << 24) | 1)) {
 
452
                /*
 
453
                 * The OS networking stack is expected to drop this kind of
 
454
                 * frames since the socket is bound to only localhost address.
 
455
                 * Just in case, drop the frame if it is coming from any other
 
456
                 * address.
 
457
                 */
 
458
                wpa_printf(MSG_DEBUG, "CTRL: Drop packet from unexpected "
 
459
                           "source %s", inet_ntoa(from.sin_addr));
 
460
                return;
 
461
        }
 
462
        buf[res] = '\0';
 
463
 
 
464
        if (os_strcmp(buf, "GET_COOKIE") == 0) {
 
465
                reply = wpa_supplicant_global_get_cookie(priv, &reply_len);
 
466
                goto done;
 
467
        }
 
468
 
 
469
        if (os_strncmp(buf, "COOKIE=", 7) != 0) {
 
470
                wpa_printf(MSG_DEBUG, "CTLR: No cookie in the request - "
 
471
                           "drop request");
 
472
                return;
 
473
        }
 
474
 
 
475
        if (hexstr2bin(buf + 7, cookie, COOKIE_LEN) < 0) {
 
476
                wpa_printf(MSG_DEBUG, "CTLR: Invalid cookie format in the "
 
477
                           "request - drop request");
 
478
                return;
 
479
        }
 
480
 
 
481
        if (os_memcmp(cookie, priv->cookie, COOKIE_LEN) != 0) {
 
482
                wpa_printf(MSG_DEBUG, "CTLR: Invalid cookie in the request - "
 
483
                           "drop request");
 
484
                return;
 
485
        }
 
486
 
 
487
        pos = buf + 7 + 2 * COOKIE_LEN;
 
488
        while (*pos == ' ')
 
489
                pos++;
 
490
 
 
491
        reply = wpa_supplicant_global_ctrl_iface_process(global, pos,
 
492
                                                         &reply_len);
 
493
 
 
494
 done:
 
495
        if (reply) {
 
496
                sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from,
 
497
                       fromlen);
 
498
                os_free(reply);
 
499
        } else if (reply_len) {
 
500
                sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
 
501
                       fromlen);
 
502
        }
 
503
}
 
504
 
 
505
 
 
506
struct ctrl_iface_global_priv *
 
507
wpa_supplicant_global_ctrl_iface_init(struct wpa_global *global)
 
508
{
 
509
        struct ctrl_iface_global_priv *priv;
 
510
        struct sockaddr_in addr;
 
511
 
 
512
        priv = os_zalloc(sizeof(*priv));
 
513
        if (priv == NULL)
 
514
                return NULL;
 
515
        priv->sock = -1;
 
516
        os_get_random(priv->cookie, COOKIE_LEN);
 
517
 
 
518
        if (global->params.ctrl_interface == NULL)
 
519
                return priv;
 
520
 
 
521
        wpa_printf(MSG_DEBUG, "Global control interface '%s'",
 
522
                   global->params.ctrl_interface);
 
523
 
 
524
        priv->sock = socket(PF_INET, SOCK_DGRAM, 0);
 
525
        if (priv->sock < 0) {
 
526
                perror("socket(PF_INET)");
 
527
                goto fail;
 
528
        }
 
529
 
 
530
        os_memset(&addr, 0, sizeof(addr));
 
531
        addr.sin_family = AF_INET;
 
532
        addr.sin_addr.s_addr = htonl((127 << 24) | 1);
 
533
        addr.sin_port = htons(WPA_GLOBAL_CTRL_IFACE_PORT);
 
534
        if (bind(priv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
 
535
                perror("bind(AF_INET)");
 
536
                goto fail;
 
537
        }
 
538
 
 
539
        eloop_register_read_sock(priv->sock,
 
540
                                 wpa_supplicant_global_ctrl_iface_receive,
 
541
                                 global, priv);
 
542
 
 
543
        return priv;
 
544
 
 
545
fail:
 
546
        if (priv->sock >= 0)
 
547
                close(priv->sock);
 
548
        os_free(priv);
 
549
        return NULL;
 
550
}
 
551
 
 
552
 
 
553
void
 
554
wpa_supplicant_global_ctrl_iface_deinit(struct ctrl_iface_global_priv *priv)
 
555
{
 
556
        if (priv->sock >= 0) {
 
557
                eloop_unregister_read_sock(priv->sock);
 
558
                close(priv->sock);
 
559
        }
 
560
        os_free(priv);
 
561
}