Bluetooth: Fix link key persistent storage criteria
[linux-2.6.git] / net / bluetooth / mgmt.c
1 /*
2    BlueZ - Bluetooth protocol stack for Linux
3    Copyright (C) 2010  Nokia Corporation
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    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
10    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
11    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
12    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
13    CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
14    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
18    ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
19    COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
20    SOFTWARE IS DISCLAIMED.
21 */
22
23 /* Bluetooth HCI Management interface */
24
25 #include <linux/uaccess.h>
26 #include <asm/unaligned.h>
27
28 #include <net/bluetooth/bluetooth.h>
29 #include <net/bluetooth/hci_core.h>
30 #include <net/bluetooth/mgmt.h>
31
32 #define MGMT_VERSION    0
33 #define MGMT_REVISION   1
34
35 struct pending_cmd {
36         struct list_head list;
37         __u16 opcode;
38         int index;
39         void *param;
40         struct sock *sk;
41         void *user_data;
42 };
43
44 LIST_HEAD(cmd_list);
45
46 static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
47 {
48         struct sk_buff *skb;
49         struct mgmt_hdr *hdr;
50         struct mgmt_ev_cmd_status *ev;
51
52         BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
53
54         skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC);
55         if (!skb)
56                 return -ENOMEM;
57
58         hdr = (void *) skb_put(skb, sizeof(*hdr));
59
60         hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
61         hdr->index = cpu_to_le16(index);
62         hdr->len = cpu_to_le16(sizeof(*ev));
63
64         ev = (void *) skb_put(skb, sizeof(*ev));
65         ev->status = status;
66         put_unaligned_le16(cmd, &ev->opcode);
67
68         if (sock_queue_rcv_skb(sk, skb) < 0)
69                 kfree_skb(skb);
70
71         return 0;
72 }
73
74 static int cmd_complete(struct sock *sk, u16 index, u16 cmd, void *rp,
75                                                                 size_t rp_len)
76 {
77         struct sk_buff *skb;
78         struct mgmt_hdr *hdr;
79         struct mgmt_ev_cmd_complete *ev;
80
81         BT_DBG("sock %p", sk);
82
83         skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_ATOMIC);
84         if (!skb)
85                 return -ENOMEM;
86
87         hdr = (void *) skb_put(skb, sizeof(*hdr));
88
89         hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
90         hdr->index = cpu_to_le16(index);
91         hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
92
93         ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
94         put_unaligned_le16(cmd, &ev->opcode);
95
96         if (rp)
97                 memcpy(ev->data, rp, rp_len);
98
99         if (sock_queue_rcv_skb(sk, skb) < 0)
100                 kfree_skb(skb);
101
102         return 0;
103 }
104
105 static int read_version(struct sock *sk)
106 {
107         struct mgmt_rp_read_version rp;
108
109         BT_DBG("sock %p", sk);
110
111         rp.version = MGMT_VERSION;
112         put_unaligned_le16(MGMT_REVISION, &rp.revision);
113
114         return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, &rp,
115                                                                 sizeof(rp));
116 }
117
118 static int read_index_list(struct sock *sk)
119 {
120         struct mgmt_rp_read_index_list *rp;
121         struct list_head *p;
122         size_t rp_len;
123         u16 count;
124         int i, err;
125
126         BT_DBG("sock %p", sk);
127
128         read_lock(&hci_dev_list_lock);
129
130         count = 0;
131         list_for_each(p, &hci_dev_list) {
132                 count++;
133         }
134
135         rp_len = sizeof(*rp) + (2 * count);
136         rp = kmalloc(rp_len, GFP_ATOMIC);
137         if (!rp) {
138                 read_unlock(&hci_dev_list_lock);
139                 return -ENOMEM;
140         }
141
142         put_unaligned_le16(count, &rp->num_controllers);
143
144         i = 0;
145         list_for_each(p, &hci_dev_list) {
146                 struct hci_dev *d = list_entry(p, struct hci_dev, list);
147
148                 hci_del_off_timer(d);
149
150                 set_bit(HCI_MGMT, &d->flags);
151
152                 if (test_bit(HCI_SETUP, &d->flags))
153                         continue;
154
155                 put_unaligned_le16(d->id, &rp->index[i++]);
156                 BT_DBG("Added hci%u", d->id);
157         }
158
159         read_unlock(&hci_dev_list_lock);
160
161         err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, rp,
162                                                                         rp_len);
163
164         kfree(rp);
165
166         return err;
167 }
168
169 static int read_controller_info(struct sock *sk, u16 index)
170 {
171         struct mgmt_rp_read_info rp;
172         struct hci_dev *hdev;
173
174         BT_DBG("sock %p hci%u", sk, index);
175
176         hdev = hci_dev_get(index);
177         if (!hdev)
178                 return cmd_status(sk, index, MGMT_OP_READ_INFO, ENODEV);
179
180         hci_del_off_timer(hdev);
181
182         hci_dev_lock(hdev);
183
184         set_bit(HCI_MGMT, &hdev->flags);
185
186         memset(&rp, 0, sizeof(rp));
187
188         rp.type = hdev->dev_type;
189
190         rp.powered = test_bit(HCI_UP, &hdev->flags);
191         rp.connectable = test_bit(HCI_PSCAN, &hdev->flags);
192         rp.discoverable = test_bit(HCI_ISCAN, &hdev->flags);
193         rp.pairable = test_bit(HCI_PSCAN, &hdev->flags);
194
195         if (test_bit(HCI_AUTH, &hdev->flags))
196                 rp.sec_mode = 3;
197         else if (hdev->ssp_mode > 0)
198                 rp.sec_mode = 4;
199         else
200                 rp.sec_mode = 2;
201
202         bacpy(&rp.bdaddr, &hdev->bdaddr);
203         memcpy(rp.features, hdev->features, 8);
204         memcpy(rp.dev_class, hdev->dev_class, 3);
205         put_unaligned_le16(hdev->manufacturer, &rp.manufacturer);
206         rp.hci_ver = hdev->hci_ver;
207         put_unaligned_le16(hdev->hci_rev, &rp.hci_rev);
208
209         memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
210
211         hci_dev_unlock(hdev);
212         hci_dev_put(hdev);
213
214         return cmd_complete(sk, index, MGMT_OP_READ_INFO, &rp, sizeof(rp));
215 }
216
217 static void mgmt_pending_free(struct pending_cmd *cmd)
218 {
219         sock_put(cmd->sk);
220         kfree(cmd->param);
221         kfree(cmd);
222 }
223
224 static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
225                                                 u16 index, void *data, u16 len)
226 {
227         struct pending_cmd *cmd;
228
229         cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC);
230         if (!cmd)
231                 return NULL;
232
233         cmd->opcode = opcode;
234         cmd->index = index;
235
236         cmd->param = kmalloc(len, GFP_ATOMIC);
237         if (!cmd->param) {
238                 kfree(cmd);
239                 return NULL;
240         }
241
242         if (data)
243                 memcpy(cmd->param, data, len);
244
245         cmd->sk = sk;
246         sock_hold(sk);
247
248         list_add(&cmd->list, &cmd_list);
249
250         return cmd;
251 }
252
253 static void mgmt_pending_foreach(u16 opcode, int index,
254                                 void (*cb)(struct pending_cmd *cmd, void *data),
255                                 void *data)
256 {
257         struct list_head *p, *n;
258
259         list_for_each_safe(p, n, &cmd_list) {
260                 struct pending_cmd *cmd;
261
262                 cmd = list_entry(p, struct pending_cmd, list);
263
264                 if (cmd->opcode != opcode)
265                         continue;
266
267                 if (index >= 0 && cmd->index != index)
268                         continue;
269
270                 cb(cmd, data);
271         }
272 }
273
274 static struct pending_cmd *mgmt_pending_find(u16 opcode, int index)
275 {
276         struct list_head *p;
277
278         list_for_each(p, &cmd_list) {
279                 struct pending_cmd *cmd;
280
281                 cmd = list_entry(p, struct pending_cmd, list);
282
283                 if (cmd->opcode != opcode)
284                         continue;
285
286                 if (index >= 0 && cmd->index != index)
287                         continue;
288
289                 return cmd;
290         }
291
292         return NULL;
293 }
294
295 static void mgmt_pending_remove(struct pending_cmd *cmd)
296 {
297         list_del(&cmd->list);
298         mgmt_pending_free(cmd);
299 }
300
301 static int set_powered(struct sock *sk, u16 index, unsigned char *data, u16 len)
302 {
303         struct mgmt_mode *cp;
304         struct hci_dev *hdev;
305         struct pending_cmd *cmd;
306         int err, up;
307
308         cp = (void *) data;
309
310         BT_DBG("request for hci%u", index);
311
312         if (len != sizeof(*cp))
313                 return cmd_status(sk, index, MGMT_OP_SET_POWERED, EINVAL);
314
315         hdev = hci_dev_get(index);
316         if (!hdev)
317                 return cmd_status(sk, index, MGMT_OP_SET_POWERED, ENODEV);
318
319         hci_dev_lock(hdev);
320
321         up = test_bit(HCI_UP, &hdev->flags);
322         if ((cp->val && up) || (!cp->val && !up)) {
323                 err = cmd_status(sk, index, MGMT_OP_SET_POWERED, EALREADY);
324                 goto failed;
325         }
326
327         if (mgmt_pending_find(MGMT_OP_SET_POWERED, index)) {
328                 err = cmd_status(sk, index, MGMT_OP_SET_POWERED, EBUSY);
329                 goto failed;
330         }
331
332         cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, index, data, len);
333         if (!cmd) {
334                 err = -ENOMEM;
335                 goto failed;
336         }
337
338         if (cp->val)
339                 queue_work(hdev->workqueue, &hdev->power_on);
340         else
341                 queue_work(hdev->workqueue, &hdev->power_off);
342
343         err = 0;
344
345 failed:
346         hci_dev_unlock(hdev);
347         hci_dev_put(hdev);
348         return err;
349 }
350
351 static int set_discoverable(struct sock *sk, u16 index, unsigned char *data,
352                                                                         u16 len)
353 {
354         struct mgmt_mode *cp;
355         struct hci_dev *hdev;
356         struct pending_cmd *cmd;
357         u8 scan;
358         int err;
359
360         cp = (void *) data;
361
362         BT_DBG("request for hci%u", index);
363
364         if (len != sizeof(*cp))
365                 return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EINVAL);
366
367         hdev = hci_dev_get(index);
368         if (!hdev)
369                 return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENODEV);
370
371         hci_dev_lock(hdev);
372
373         if (!test_bit(HCI_UP, &hdev->flags)) {
374                 err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENETDOWN);
375                 goto failed;
376         }
377
378         if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, index) ||
379                         mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, index)) {
380                 err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EBUSY);
381                 goto failed;
382         }
383
384         if (cp->val == test_bit(HCI_ISCAN, &hdev->flags) &&
385                                         test_bit(HCI_PSCAN, &hdev->flags)) {
386                 err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EALREADY);
387                 goto failed;
388         }
389
390         cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, index, data, len);
391         if (!cmd) {
392                 err = -ENOMEM;
393                 goto failed;
394         }
395
396         scan = SCAN_PAGE;
397
398         if (cp->val)
399                 scan |= SCAN_INQUIRY;
400
401         err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
402         if (err < 0)
403                 mgmt_pending_remove(cmd);
404
405 failed:
406         hci_dev_unlock(hdev);
407         hci_dev_put(hdev);
408
409         return err;
410 }
411
412 static int set_connectable(struct sock *sk, u16 index, unsigned char *data,
413                                                                         u16 len)
414 {
415         struct mgmt_mode *cp;
416         struct hci_dev *hdev;
417         struct pending_cmd *cmd;
418         u8 scan;
419         int err;
420
421         cp = (void *) data;
422
423         BT_DBG("request for hci%u", index);
424
425         if (len != sizeof(*cp))
426                 return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EINVAL);
427
428         hdev = hci_dev_get(index);
429         if (!hdev)
430                 return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENODEV);
431
432         hci_dev_lock(hdev);
433
434         if (!test_bit(HCI_UP, &hdev->flags)) {
435                 err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENETDOWN);
436                 goto failed;
437         }
438
439         if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, index) ||
440                         mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, index)) {
441                 err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EBUSY);
442                 goto failed;
443         }
444
445         if (cp->val == test_bit(HCI_PSCAN, &hdev->flags)) {
446                 err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EALREADY);
447                 goto failed;
448         }
449
450         cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, index, data, len);
451         if (!cmd) {
452                 err = -ENOMEM;
453                 goto failed;
454         }
455
456         if (cp->val)
457                 scan = SCAN_PAGE;
458         else
459                 scan = 0;
460
461         err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
462         if (err < 0)
463                 mgmt_pending_remove(cmd);
464
465 failed:
466         hci_dev_unlock(hdev);
467         hci_dev_put(hdev);
468
469         return err;
470 }
471
472 static int mgmt_event(u16 event, u16 index, void *data, u16 data_len,
473                                                         struct sock *skip_sk)
474 {
475         struct sk_buff *skb;
476         struct mgmt_hdr *hdr;
477
478         skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC);
479         if (!skb)
480                 return -ENOMEM;
481
482         bt_cb(skb)->channel = HCI_CHANNEL_CONTROL;
483
484         hdr = (void *) skb_put(skb, sizeof(*hdr));
485         hdr->opcode = cpu_to_le16(event);
486         hdr->index = cpu_to_le16(index);
487         hdr->len = cpu_to_le16(data_len);
488
489         if (data)
490                 memcpy(skb_put(skb, data_len), data, data_len);
491
492         hci_send_to_sock(NULL, skb, skip_sk);
493         kfree_skb(skb);
494
495         return 0;
496 }
497
498 static int send_mode_rsp(struct sock *sk, u16 opcode, u16 index, u8 val)
499 {
500         struct mgmt_mode rp;
501
502         rp.val = val;
503
504         return cmd_complete(sk, index, opcode, &rp, sizeof(rp));
505 }
506
507 static int set_pairable(struct sock *sk, u16 index, unsigned char *data,
508                                                                         u16 len)
509 {
510         struct mgmt_mode *cp, ev;
511         struct hci_dev *hdev;
512         int err;
513
514         cp = (void *) data;
515
516         BT_DBG("request for hci%u", index);
517
518         if (len != sizeof(*cp))
519                 return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, EINVAL);
520
521         hdev = hci_dev_get(index);
522         if (!hdev)
523                 return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, ENODEV);
524
525         hci_dev_lock(hdev);
526
527         if (cp->val)
528                 set_bit(HCI_PAIRABLE, &hdev->flags);
529         else
530                 clear_bit(HCI_PAIRABLE, &hdev->flags);
531
532         err = send_mode_rsp(sk, MGMT_OP_SET_PAIRABLE, index, cp->val);
533         if (err < 0)
534                 goto failed;
535
536         ev.val = cp->val;
537
538         err = mgmt_event(MGMT_EV_PAIRABLE, index, &ev, sizeof(ev), sk);
539
540 failed:
541         hci_dev_unlock(hdev);
542         hci_dev_put(hdev);
543
544         return err;
545 }
546
547 #define EIR_FLAGS               0x01 /* flags */
548 #define EIR_UUID16_SOME         0x02 /* 16-bit UUID, more available */
549 #define EIR_UUID16_ALL          0x03 /* 16-bit UUID, all listed */
550 #define EIR_UUID32_SOME         0x04 /* 32-bit UUID, more available */
551 #define EIR_UUID32_ALL          0x05 /* 32-bit UUID, all listed */
552 #define EIR_UUID128_SOME        0x06 /* 128-bit UUID, more available */
553 #define EIR_UUID128_ALL         0x07 /* 128-bit UUID, all listed */
554 #define EIR_NAME_SHORT          0x08 /* shortened local name */
555 #define EIR_NAME_COMPLETE       0x09 /* complete local name */
556 #define EIR_TX_POWER            0x0A /* transmit power level */
557 #define EIR_DEVICE_ID           0x10 /* device ID */
558
559 #define PNP_INFO_SVCLASS_ID             0x1200
560
561 static u8 bluetooth_base_uuid[] = {
562                         0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80,
563                         0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
564 };
565
566 static u16 get_uuid16(u8 *uuid128)
567 {
568         u32 val;
569         int i;
570
571         for (i = 0; i < 12; i++) {
572                 if (bluetooth_base_uuid[i] != uuid128[i])
573                         return 0;
574         }
575
576         memcpy(&val, &uuid128[12], 4);
577
578         val = le32_to_cpu(val);
579         if (val > 0xffff)
580                 return 0;
581
582         return (u16) val;
583 }
584
585 static void create_eir(struct hci_dev *hdev, u8 *data)
586 {
587         u8 *ptr = data;
588         u16 eir_len = 0;
589         u16 uuid16_list[HCI_MAX_EIR_LENGTH / sizeof(u16)];
590         int i, truncated = 0;
591         struct list_head *p;
592         size_t name_len;
593
594         name_len = strlen(hdev->dev_name);
595
596         if (name_len > 0) {
597                 /* EIR Data type */
598                 if (name_len > 48) {
599                         name_len = 48;
600                         ptr[1] = EIR_NAME_SHORT;
601                 } else
602                         ptr[1] = EIR_NAME_COMPLETE;
603
604                 /* EIR Data length */
605                 ptr[0] = name_len + 1;
606
607                 memcpy(ptr + 2, hdev->dev_name, name_len);
608
609                 eir_len += (name_len + 2);
610                 ptr += (name_len + 2);
611         }
612
613         memset(uuid16_list, 0, sizeof(uuid16_list));
614
615         /* Group all UUID16 types */
616         list_for_each(p, &hdev->uuids) {
617                 struct bt_uuid *uuid = list_entry(p, struct bt_uuid, list);
618                 u16 uuid16;
619
620                 uuid16 = get_uuid16(uuid->uuid);
621                 if (uuid16 == 0)
622                         return;
623
624                 if (uuid16 < 0x1100)
625                         continue;
626
627                 if (uuid16 == PNP_INFO_SVCLASS_ID)
628                         continue;
629
630                 /* Stop if not enough space to put next UUID */
631                 if (eir_len + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) {
632                         truncated = 1;
633                         break;
634                 }
635
636                 /* Check for duplicates */
637                 for (i = 0; uuid16_list[i] != 0; i++)
638                         if (uuid16_list[i] == uuid16)
639                                 break;
640
641                 if (uuid16_list[i] == 0) {
642                         uuid16_list[i] = uuid16;
643                         eir_len += sizeof(u16);
644                 }
645         }
646
647         if (uuid16_list[0] != 0) {
648                 u8 *length = ptr;
649
650                 /* EIR Data type */
651                 ptr[1] = truncated ? EIR_UUID16_SOME : EIR_UUID16_ALL;
652
653                 ptr += 2;
654                 eir_len += 2;
655
656                 for (i = 0; uuid16_list[i] != 0; i++) {
657                         *ptr++ = (uuid16_list[i] & 0x00ff);
658                         *ptr++ = (uuid16_list[i] & 0xff00) >> 8;
659                 }
660
661                 /* EIR Data length */
662                 *length = (i * sizeof(u16)) + 1;
663         }
664 }
665
666 static int update_eir(struct hci_dev *hdev)
667 {
668         struct hci_cp_write_eir cp;
669
670         if (!(hdev->features[6] & LMP_EXT_INQ))
671                 return 0;
672
673         if (hdev->ssp_mode == 0)
674                 return 0;
675
676         if (test_bit(HCI_SERVICE_CACHE, &hdev->flags))
677                 return 0;
678
679         memset(&cp, 0, sizeof(cp));
680
681         create_eir(hdev, cp.data);
682
683         if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
684                 return 0;
685
686         memcpy(hdev->eir, cp.data, sizeof(cp.data));
687
688         return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
689 }
690
691 static u8 get_service_classes(struct hci_dev *hdev)
692 {
693         struct list_head *p;
694         u8 val = 0;
695
696         list_for_each(p, &hdev->uuids) {
697                 struct bt_uuid *uuid = list_entry(p, struct bt_uuid, list);
698
699                 val |= uuid->svc_hint;
700         }
701
702         return val;
703 }
704
705 static int update_class(struct hci_dev *hdev)
706 {
707         u8 cod[3];
708
709         BT_DBG("%s", hdev->name);
710
711         if (test_bit(HCI_SERVICE_CACHE, &hdev->flags))
712                 return 0;
713
714         cod[0] = hdev->minor_class;
715         cod[1] = hdev->major_class;
716         cod[2] = get_service_classes(hdev);
717
718         if (memcmp(cod, hdev->dev_class, 3) == 0)
719                 return 0;
720
721         return hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
722 }
723
724 static int add_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
725 {
726         struct mgmt_cp_add_uuid *cp;
727         struct hci_dev *hdev;
728         struct bt_uuid *uuid;
729         int err;
730
731         cp = (void *) data;
732
733         BT_DBG("request for hci%u", index);
734
735         if (len != sizeof(*cp))
736                 return cmd_status(sk, index, MGMT_OP_ADD_UUID, EINVAL);
737
738         hdev = hci_dev_get(index);
739         if (!hdev)
740                 return cmd_status(sk, index, MGMT_OP_ADD_UUID, ENODEV);
741
742         hci_dev_lock(hdev);
743
744         uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC);
745         if (!uuid) {
746                 err = -ENOMEM;
747                 goto failed;
748         }
749
750         memcpy(uuid->uuid, cp->uuid, 16);
751         uuid->svc_hint = cp->svc_hint;
752
753         list_add(&uuid->list, &hdev->uuids);
754
755         err = update_class(hdev);
756         if (err < 0)
757                 goto failed;
758
759         err = update_eir(hdev);
760         if (err < 0)
761                 goto failed;
762
763         err = cmd_complete(sk, index, MGMT_OP_ADD_UUID, NULL, 0);
764
765 failed:
766         hci_dev_unlock(hdev);
767         hci_dev_put(hdev);
768
769         return err;
770 }
771
772 static int remove_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
773 {
774         struct list_head *p, *n;
775         struct mgmt_cp_remove_uuid *cp;
776         struct hci_dev *hdev;
777         u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
778         int err, found;
779
780         cp = (void *) data;
781
782         BT_DBG("request for hci%u", index);
783
784         if (len != sizeof(*cp))
785                 return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, EINVAL);
786
787         hdev = hci_dev_get(index);
788         if (!hdev)
789                 return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, ENODEV);
790
791         hci_dev_lock(hdev);
792
793         if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
794                 err = hci_uuids_clear(hdev);
795                 goto unlock;
796         }
797
798         found = 0;
799
800         list_for_each_safe(p, n, &hdev->uuids) {
801                 struct bt_uuid *match = list_entry(p, struct bt_uuid, list);
802
803                 if (memcmp(match->uuid, cp->uuid, 16) != 0)
804                         continue;
805
806                 list_del(&match->list);
807                 found++;
808         }
809
810         if (found == 0) {
811                 err = cmd_status(sk, index, MGMT_OP_REMOVE_UUID, ENOENT);
812                 goto unlock;
813         }
814
815         err = update_class(hdev);
816         if (err < 0)
817                 goto unlock;
818
819         err = update_eir(hdev);
820         if (err < 0)
821                 goto unlock;
822
823         err = cmd_complete(sk, index, MGMT_OP_REMOVE_UUID, NULL, 0);
824
825 unlock:
826         hci_dev_unlock(hdev);
827         hci_dev_put(hdev);
828
829         return err;
830 }
831
832 static int set_dev_class(struct sock *sk, u16 index, unsigned char *data,
833                                                                         u16 len)
834 {
835         struct hci_dev *hdev;
836         struct mgmt_cp_set_dev_class *cp;
837         int err;
838
839         cp = (void *) data;
840
841         BT_DBG("request for hci%u", index);
842
843         if (len != sizeof(*cp))
844                 return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, EINVAL);
845
846         hdev = hci_dev_get(index);
847         if (!hdev)
848                 return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, ENODEV);
849
850         hci_dev_lock(hdev);
851
852         hdev->major_class = cp->major;
853         hdev->minor_class = cp->minor;
854
855         err = update_class(hdev);
856
857         if (err == 0)
858                 err = cmd_complete(sk, index, MGMT_OP_SET_DEV_CLASS, NULL, 0);
859
860         hci_dev_unlock(hdev);
861         hci_dev_put(hdev);
862
863         return err;
864 }
865
866 static int set_service_cache(struct sock *sk, u16 index,  unsigned char *data,
867                                                                         u16 len)
868 {
869         struct hci_dev *hdev;
870         struct mgmt_cp_set_service_cache *cp;
871         int err;
872
873         cp = (void *) data;
874
875         if (len != sizeof(*cp))
876                 return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, EINVAL);
877
878         hdev = hci_dev_get(index);
879         if (!hdev)
880                 return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, ENODEV);
881
882         hci_dev_lock(hdev);
883
884         BT_DBG("hci%u enable %d", index, cp->enable);
885
886         if (cp->enable) {
887                 set_bit(HCI_SERVICE_CACHE, &hdev->flags);
888                 err = 0;
889         } else {
890                 clear_bit(HCI_SERVICE_CACHE, &hdev->flags);
891                 err = update_class(hdev);
892                 if (err == 0)
893                         err = update_eir(hdev);
894         }
895
896         if (err == 0)
897                 err = cmd_complete(sk, index, MGMT_OP_SET_SERVICE_CACHE, NULL,
898                                                                         0);
899
900         hci_dev_unlock(hdev);
901         hci_dev_put(hdev);
902
903         return err;
904 }
905
906 static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
907 {
908         struct hci_dev *hdev;
909         struct mgmt_cp_load_keys *cp;
910         u16 key_count, expected_len;
911         int i;
912
913         cp = (void *) data;
914
915         if (len < sizeof(*cp))
916                 return -EINVAL;
917
918         key_count = get_unaligned_le16(&cp->key_count);
919
920         expected_len = sizeof(*cp) + key_count * sizeof(struct mgmt_key_info);
921         if (expected_len != len) {
922                 BT_ERR("load_keys: expected %u bytes, got %u bytes",
923                                                         len, expected_len);
924                 return -EINVAL;
925         }
926
927         hdev = hci_dev_get(index);
928         if (!hdev)
929                 return cmd_status(sk, index, MGMT_OP_LOAD_KEYS, ENODEV);
930
931         BT_DBG("hci%u debug_keys %u key_count %u", index, cp->debug_keys,
932                                                                 key_count);
933
934         hci_dev_lock(hdev);
935
936         hci_link_keys_clear(hdev);
937
938         set_bit(HCI_LINK_KEYS, &hdev->flags);
939
940         if (cp->debug_keys)
941                 set_bit(HCI_DEBUG_KEYS, &hdev->flags);
942         else
943                 clear_bit(HCI_DEBUG_KEYS, &hdev->flags);
944
945         for (i = 0; i < key_count; i++) {
946                 struct mgmt_key_info *key = &cp->keys[i];
947
948                 hci_add_link_key(hdev, NULL, 0, &key->bdaddr, key->val, key->type,
949                                                                 key->pin_len);
950         }
951
952         hci_dev_unlock(hdev);
953         hci_dev_put(hdev);
954
955         return 0;
956 }
957
958 static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len)
959 {
960         struct hci_dev *hdev;
961         struct mgmt_cp_remove_key *cp;
962         struct hci_conn *conn;
963         int err;
964
965         cp = (void *) data;
966
967         if (len != sizeof(*cp))
968                 return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, EINVAL);
969
970         hdev = hci_dev_get(index);
971         if (!hdev)
972                 return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, ENODEV);
973
974         hci_dev_lock(hdev);
975
976         err = hci_remove_link_key(hdev, &cp->bdaddr);
977         if (err < 0) {
978                 err = cmd_status(sk, index, MGMT_OP_REMOVE_KEY, -err);
979                 goto unlock;
980         }
981
982         err = 0;
983
984         if (!test_bit(HCI_UP, &hdev->flags) || !cp->disconnect)
985                 goto unlock;
986
987         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
988         if (conn) {
989                 struct hci_cp_disconnect dc;
990
991                 put_unaligned_le16(conn->handle, &dc.handle);
992                 dc.reason = 0x13; /* Remote User Terminated Connection */
993                 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, 0, NULL);
994         }
995
996 unlock:
997         hci_dev_unlock(hdev);
998         hci_dev_put(hdev);
999
1000         return err;
1001 }
1002
1003 static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len)
1004 {
1005         struct hci_dev *hdev;
1006         struct mgmt_cp_disconnect *cp;
1007         struct hci_cp_disconnect dc;
1008         struct pending_cmd *cmd;
1009         struct hci_conn *conn;
1010         int err;
1011
1012         BT_DBG("");
1013
1014         cp = (void *) data;
1015
1016         if (len != sizeof(*cp))
1017                 return cmd_status(sk, index, MGMT_OP_DISCONNECT, EINVAL);
1018
1019         hdev = hci_dev_get(index);
1020         if (!hdev)
1021                 return cmd_status(sk, index, MGMT_OP_DISCONNECT, ENODEV);
1022
1023         hci_dev_lock(hdev);
1024
1025         if (!test_bit(HCI_UP, &hdev->flags)) {
1026                 err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENETDOWN);
1027                 goto failed;
1028         }
1029
1030         if (mgmt_pending_find(MGMT_OP_DISCONNECT, index)) {
1031                 err = cmd_status(sk, index, MGMT_OP_DISCONNECT, EBUSY);
1032                 goto failed;
1033         }
1034
1035         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1036         if (!conn) {
1037                 err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENOTCONN);
1038                 goto failed;
1039         }
1040
1041         cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, index, data, len);
1042         if (!cmd) {
1043                 err = -ENOMEM;
1044                 goto failed;
1045         }
1046
1047         put_unaligned_le16(conn->handle, &dc.handle);
1048         dc.reason = 0x13; /* Remote User Terminated Connection */
1049
1050         err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1051         if (err < 0)
1052                 mgmt_pending_remove(cmd);
1053
1054 failed:
1055         hci_dev_unlock(hdev);
1056         hci_dev_put(hdev);
1057
1058         return err;
1059 }
1060
1061 static int get_connections(struct sock *sk, u16 index)
1062 {
1063         struct mgmt_rp_get_connections *rp;
1064         struct hci_dev *hdev;
1065         struct list_head *p;
1066         size_t rp_len;
1067         u16 count;
1068         int i, err;
1069
1070         BT_DBG("");
1071
1072         hdev = hci_dev_get(index);
1073         if (!hdev)
1074                 return cmd_status(sk, index, MGMT_OP_GET_CONNECTIONS, ENODEV);
1075
1076         hci_dev_lock(hdev);
1077
1078         count = 0;
1079         list_for_each(p, &hdev->conn_hash.list) {
1080                 count++;
1081         }
1082
1083         rp_len = sizeof(*rp) + (count * sizeof(bdaddr_t));
1084         rp = kmalloc(rp_len, GFP_ATOMIC);
1085         if (!rp) {
1086                 err = -ENOMEM;
1087                 goto unlock;
1088         }
1089
1090         put_unaligned_le16(count, &rp->conn_count);
1091
1092         read_lock(&hci_dev_list_lock);
1093
1094         i = 0;
1095         list_for_each(p, &hdev->conn_hash.list) {
1096                 struct hci_conn *c = list_entry(p, struct hci_conn, list);
1097
1098                 bacpy(&rp->conn[i++], &c->dst);
1099         }
1100
1101         read_unlock(&hci_dev_list_lock);
1102
1103         err = cmd_complete(sk, index, MGMT_OP_GET_CONNECTIONS, rp, rp_len);
1104
1105 unlock:
1106         kfree(rp);
1107         hci_dev_unlock(hdev);
1108         hci_dev_put(hdev);
1109         return err;
1110 }
1111
1112 static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data,
1113                                                                         u16 len)
1114 {
1115         struct hci_dev *hdev;
1116         struct mgmt_cp_pin_code_reply *cp;
1117         struct hci_cp_pin_code_reply reply;
1118         struct pending_cmd *cmd;
1119         int err;
1120
1121         BT_DBG("");
1122
1123         cp = (void *) data;
1124
1125         if (len != sizeof(*cp))
1126                 return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, EINVAL);
1127
1128         hdev = hci_dev_get(index);
1129         if (!hdev)
1130                 return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENODEV);
1131
1132         hci_dev_lock(hdev);
1133
1134         if (!test_bit(HCI_UP, &hdev->flags)) {
1135                 err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENETDOWN);
1136                 goto failed;
1137         }
1138
1139         cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, index, data, len);
1140         if (!cmd) {
1141                 err = -ENOMEM;
1142                 goto failed;
1143         }
1144
1145         bacpy(&reply.bdaddr, &cp->bdaddr);
1146         reply.pin_len = cp->pin_len;
1147         memcpy(reply.pin_code, cp->pin_code, 16);
1148
1149         err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
1150         if (err < 0)
1151                 mgmt_pending_remove(cmd);
1152
1153 failed:
1154         hci_dev_unlock(hdev);
1155         hci_dev_put(hdev);
1156
1157         return err;
1158 }
1159
1160 static int pin_code_neg_reply(struct sock *sk, u16 index, unsigned char *data,
1161                                                                         u16 len)
1162 {
1163         struct hci_dev *hdev;
1164         struct mgmt_cp_pin_code_neg_reply *cp;
1165         struct pending_cmd *cmd;
1166         int err;
1167
1168         BT_DBG("");
1169
1170         cp = (void *) data;
1171
1172         if (len != sizeof(*cp))
1173                 return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
1174                                                                         EINVAL);
1175
1176         hdev = hci_dev_get(index);
1177         if (!hdev)
1178                 return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
1179                                                                         ENODEV);
1180
1181         hci_dev_lock(hdev);
1182
1183         if (!test_bit(HCI_UP, &hdev->flags)) {
1184                 err = cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
1185                                                                 ENETDOWN);
1186                 goto failed;
1187         }
1188
1189         cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, index,
1190                                                                 data, len);
1191         if (!cmd) {
1192                 err = -ENOMEM;
1193                 goto failed;
1194         }
1195
1196         err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, sizeof(cp->bdaddr),
1197                                                                 &cp->bdaddr);
1198         if (err < 0)
1199                 mgmt_pending_remove(cmd);
1200
1201 failed:
1202         hci_dev_unlock(hdev);
1203         hci_dev_put(hdev);
1204
1205         return err;
1206 }
1207
1208 static int set_io_capability(struct sock *sk, u16 index, unsigned char *data,
1209                                                                         u16 len)
1210 {
1211         struct hci_dev *hdev;
1212         struct mgmt_cp_set_io_capability *cp;
1213
1214         BT_DBG("");
1215
1216         cp = (void *) data;
1217
1218         if (len != sizeof(*cp))
1219                 return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, EINVAL);
1220
1221         hdev = hci_dev_get(index);
1222         if (!hdev)
1223                 return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, ENODEV);
1224
1225         hci_dev_lock(hdev);
1226
1227         hdev->io_capability = cp->io_capability;
1228
1229         BT_DBG("%s IO capability set to 0x%02x", hdev->name,
1230                                                         hdev->io_capability);
1231
1232         hci_dev_unlock(hdev);
1233         hci_dev_put(hdev);
1234
1235         return cmd_complete(sk, index, MGMT_OP_SET_IO_CAPABILITY, NULL, 0);
1236 }
1237
1238 static inline struct pending_cmd *find_pairing(struct hci_conn *conn)
1239 {
1240         struct hci_dev *hdev = conn->hdev;
1241         struct list_head *p;
1242
1243         list_for_each(p, &cmd_list) {
1244                 struct pending_cmd *cmd;
1245
1246                 cmd = list_entry(p, struct pending_cmd, list);
1247
1248                 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
1249                         continue;
1250
1251                 if (cmd->index != hdev->id)
1252                         continue;
1253
1254                 if (cmd->user_data != conn)
1255                         continue;
1256
1257                 return cmd;
1258         }
1259
1260         return NULL;
1261 }
1262
1263 static void pairing_complete(struct pending_cmd *cmd, u8 status)
1264 {
1265         struct mgmt_rp_pair_device rp;
1266         struct hci_conn *conn = cmd->user_data;
1267
1268         bacpy(&rp.bdaddr, &conn->dst);
1269         rp.status = status;
1270
1271         cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, &rp, sizeof(rp));
1272
1273         /* So we don't get further callbacks for this connection */
1274         conn->connect_cfm_cb = NULL;
1275         conn->security_cfm_cb = NULL;
1276         conn->disconn_cfm_cb = NULL;
1277
1278         hci_conn_put(conn);
1279
1280         mgmt_pending_remove(cmd);
1281 }
1282
1283 static void pairing_complete_cb(struct hci_conn *conn, u8 status)
1284 {
1285         struct pending_cmd *cmd;
1286
1287         BT_DBG("status %u", status);
1288
1289         cmd = find_pairing(conn);
1290         if (!cmd) {
1291                 BT_DBG("Unable to find a pending command");
1292                 return;
1293         }
1294
1295         pairing_complete(cmd, status);
1296 }
1297
1298 static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)
1299 {
1300         struct hci_dev *hdev;
1301         struct mgmt_cp_pair_device *cp;
1302         struct pending_cmd *cmd;
1303         u8 sec_level, auth_type;
1304         struct hci_conn *conn;
1305         int err;
1306
1307         BT_DBG("");
1308
1309         cp = (void *) data;
1310
1311         if (len != sizeof(*cp))
1312                 return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, EINVAL);
1313
1314         hdev = hci_dev_get(index);
1315         if (!hdev)
1316                 return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, ENODEV);
1317
1318         hci_dev_lock(hdev);
1319
1320         if (cp->io_cap == 0x03) {
1321                 sec_level = BT_SECURITY_MEDIUM;
1322                 auth_type = HCI_AT_DEDICATED_BONDING;
1323         } else {
1324                 sec_level = BT_SECURITY_HIGH;
1325                 auth_type = HCI_AT_DEDICATED_BONDING_MITM;
1326         }
1327
1328         conn = hci_connect(hdev, ACL_LINK, &cp->bdaddr, sec_level, auth_type);
1329         if (IS_ERR(conn)) {
1330                 err = PTR_ERR(conn);
1331                 goto unlock;
1332         }
1333
1334         if (conn->connect_cfm_cb) {
1335                 hci_conn_put(conn);
1336                 err = cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, EBUSY);
1337                 goto unlock;
1338         }
1339
1340         cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, index, data, len);
1341         if (!cmd) {
1342                 err = -ENOMEM;
1343                 hci_conn_put(conn);
1344                 goto unlock;
1345         }
1346
1347         conn->connect_cfm_cb = pairing_complete_cb;
1348         conn->security_cfm_cb = pairing_complete_cb;
1349         conn->disconn_cfm_cb = pairing_complete_cb;
1350         conn->io_capability = cp->io_cap;
1351         cmd->user_data = conn;
1352
1353         if (conn->state == BT_CONNECTED &&
1354                                 hci_conn_security(conn, sec_level, auth_type))
1355                 pairing_complete(cmd, 0);
1356
1357         err = 0;
1358
1359 unlock:
1360         hci_dev_unlock(hdev);
1361         hci_dev_put(hdev);
1362
1363         return err;
1364 }
1365
1366 static int user_confirm_reply(struct sock *sk, u16 index, unsigned char *data,
1367                                                         u16 len, int success)
1368 {
1369         struct mgmt_cp_user_confirm_reply *cp = (void *) data;
1370         u16 mgmt_op, hci_op;
1371         struct pending_cmd *cmd;
1372         struct hci_dev *hdev;
1373         int err;
1374
1375         BT_DBG("");
1376
1377         if (success) {
1378                 mgmt_op = MGMT_OP_USER_CONFIRM_REPLY;
1379                 hci_op = HCI_OP_USER_CONFIRM_REPLY;
1380         } else {
1381                 mgmt_op = MGMT_OP_USER_CONFIRM_NEG_REPLY;
1382                 hci_op = HCI_OP_USER_CONFIRM_NEG_REPLY;
1383         }
1384
1385         if (len != sizeof(*cp))
1386                 return cmd_status(sk, index, mgmt_op, EINVAL);
1387
1388         hdev = hci_dev_get(index);
1389         if (!hdev)
1390                 return cmd_status(sk, index, mgmt_op, ENODEV);
1391
1392         hci_dev_lock(hdev);
1393
1394         if (!test_bit(HCI_UP, &hdev->flags)) {
1395                 err = cmd_status(sk, index, mgmt_op, ENETDOWN);
1396                 goto failed;
1397         }
1398
1399         cmd = mgmt_pending_add(sk, mgmt_op, index, data, len);
1400         if (!cmd) {
1401                 err = -ENOMEM;
1402                 goto failed;
1403         }
1404
1405         err = hci_send_cmd(hdev, hci_op, sizeof(cp->bdaddr), &cp->bdaddr);
1406         if (err < 0)
1407                 mgmt_pending_remove(cmd);
1408
1409 failed:
1410         hci_dev_unlock(hdev);
1411         hci_dev_put(hdev);
1412
1413         return err;
1414 }
1415
1416 static int set_local_name(struct sock *sk, u16 index, unsigned char *data,
1417                                                                 u16 len)
1418 {
1419         struct mgmt_cp_set_local_name *mgmt_cp = (void *) data;
1420         struct hci_cp_write_local_name hci_cp;
1421         struct hci_dev *hdev;
1422         struct pending_cmd *cmd;
1423         int err;
1424
1425         BT_DBG("");
1426
1427         if (len != sizeof(*mgmt_cp))
1428                 return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, EINVAL);
1429
1430         hdev = hci_dev_get(index);
1431         if (!hdev)
1432                 return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, ENODEV);
1433
1434         hci_dev_lock(hdev);
1435
1436         cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, index, data, len);
1437         if (!cmd) {
1438                 err = -ENOMEM;
1439                 goto failed;
1440         }
1441
1442         memcpy(hci_cp.name, mgmt_cp->name, sizeof(hci_cp.name));
1443         err = hci_send_cmd(hdev, HCI_OP_WRITE_LOCAL_NAME, sizeof(hci_cp),
1444                                                                 &hci_cp);
1445         if (err < 0)
1446                 mgmt_pending_remove(cmd);
1447
1448 failed:
1449         hci_dev_unlock(hdev);
1450         hci_dev_put(hdev);
1451
1452         return err;
1453 }
1454
1455 static int read_local_oob_data(struct sock *sk, u16 index)
1456 {
1457         struct hci_dev *hdev;
1458         struct pending_cmd *cmd;
1459         int err;
1460
1461         BT_DBG("hci%u", index);
1462
1463         hdev = hci_dev_get(index);
1464         if (!hdev)
1465                 return cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
1466                                                                         ENODEV);
1467
1468         hci_dev_lock(hdev);
1469
1470         if (!test_bit(HCI_UP, &hdev->flags)) {
1471                 err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
1472                                                                 ENETDOWN);
1473                 goto unlock;
1474         }
1475
1476         if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) {
1477                 err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
1478                                                                 EOPNOTSUPP);
1479                 goto unlock;
1480         }
1481
1482         if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, index)) {
1483                 err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, EBUSY);
1484                 goto unlock;
1485         }
1486
1487         cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, index, NULL, 0);
1488         if (!cmd) {
1489                 err = -ENOMEM;
1490                 goto unlock;
1491         }
1492
1493         err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
1494         if (err < 0)
1495                 mgmt_pending_remove(cmd);
1496
1497 unlock:
1498         hci_dev_unlock(hdev);
1499         hci_dev_put(hdev);
1500
1501         return err;
1502 }
1503
1504 static int add_remote_oob_data(struct sock *sk, u16 index, unsigned char *data,
1505                                                                         u16 len)
1506 {
1507         struct hci_dev *hdev;
1508         struct mgmt_cp_add_remote_oob_data *cp = (void *) data;
1509         int err;
1510
1511         BT_DBG("hci%u ", index);
1512
1513         if (len != sizeof(*cp))
1514                 return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA,
1515                                                                         EINVAL);
1516
1517         hdev = hci_dev_get(index);
1518         if (!hdev)
1519                 return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA,
1520                                                                         ENODEV);
1521
1522         hci_dev_lock(hdev);
1523
1524         err = hci_add_remote_oob_data(hdev, &cp->bdaddr, cp->hash,
1525                                                                 cp->randomizer);
1526         if (err < 0)
1527                 err = cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, -err);
1528         else
1529                 err = cmd_complete(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, NULL,
1530                                                                         0);
1531
1532         hci_dev_unlock(hdev);
1533         hci_dev_put(hdev);
1534
1535         return err;
1536 }
1537
1538 static int remove_remote_oob_data(struct sock *sk, u16 index,
1539                                                 unsigned char *data, u16 len)
1540 {
1541         struct hci_dev *hdev;
1542         struct mgmt_cp_remove_remote_oob_data *cp = (void *) data;
1543         int err;
1544
1545         BT_DBG("hci%u ", index);
1546
1547         if (len != sizeof(*cp))
1548                 return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
1549                                                                         EINVAL);
1550
1551         hdev = hci_dev_get(index);
1552         if (!hdev)
1553                 return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
1554                                                                         ENODEV);
1555
1556         hci_dev_lock(hdev);
1557
1558         err = hci_remove_remote_oob_data(hdev, &cp->bdaddr);
1559         if (err < 0)
1560                 err = cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
1561                                                                         -err);
1562         else
1563                 err = cmd_complete(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
1564                                                                 NULL, 0);
1565
1566         hci_dev_unlock(hdev);
1567         hci_dev_put(hdev);
1568
1569         return err;
1570 }
1571
1572 static int start_discovery(struct sock *sk, u16 index)
1573 {
1574         u8 lap[3] = { 0x33, 0x8b, 0x9e };
1575         struct hci_cp_inquiry cp;
1576         struct pending_cmd *cmd;
1577         struct hci_dev *hdev;
1578         int err;
1579
1580         BT_DBG("hci%u", index);
1581
1582         hdev = hci_dev_get(index);
1583         if (!hdev)
1584                 return cmd_status(sk, index, MGMT_OP_START_DISCOVERY, ENODEV);
1585
1586         hci_dev_lock_bh(hdev);
1587
1588         cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, index, NULL, 0);
1589         if (!cmd) {
1590                 err = -ENOMEM;
1591                 goto failed;
1592         }
1593
1594         memset(&cp, 0, sizeof(cp));
1595         memcpy(&cp.lap, lap, 3);
1596         cp.length  = 0x08;
1597         cp.num_rsp = 0x00;
1598
1599         err = hci_send_cmd(hdev, HCI_OP_INQUIRY, sizeof(cp), &cp);
1600         if (err < 0)
1601                 mgmt_pending_remove(cmd);
1602
1603 failed:
1604         hci_dev_unlock_bh(hdev);
1605         hci_dev_put(hdev);
1606
1607         return err;
1608 }
1609
1610 static int stop_discovery(struct sock *sk, u16 index)
1611 {
1612         struct hci_dev *hdev;
1613         struct pending_cmd *cmd;
1614         int err;
1615
1616         BT_DBG("hci%u", index);
1617
1618         hdev = hci_dev_get(index);
1619         if (!hdev)
1620                 return cmd_status(sk, index, MGMT_OP_STOP_DISCOVERY, ENODEV);
1621
1622         hci_dev_lock_bh(hdev);
1623
1624         cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, index, NULL, 0);
1625         if (!cmd) {
1626                 err = -ENOMEM;
1627                 goto failed;
1628         }
1629
1630         err = hci_send_cmd(hdev, HCI_OP_INQUIRY_CANCEL, 0, NULL);
1631         if (err < 0)
1632                 mgmt_pending_remove(cmd);
1633
1634 failed:
1635         hci_dev_unlock_bh(hdev);
1636         hci_dev_put(hdev);
1637
1638         return err;
1639 }
1640
1641 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
1642 {
1643         unsigned char *buf;
1644         struct mgmt_hdr *hdr;
1645         u16 opcode, index, len;
1646         int err;
1647
1648         BT_DBG("got %zu bytes", msglen);
1649
1650         if (msglen < sizeof(*hdr))
1651                 return -EINVAL;
1652
1653         buf = kmalloc(msglen, GFP_KERNEL);
1654         if (!buf)
1655                 return -ENOMEM;
1656
1657         if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
1658                 err = -EFAULT;
1659                 goto done;
1660         }
1661
1662         hdr = (struct mgmt_hdr *) buf;
1663         opcode = get_unaligned_le16(&hdr->opcode);
1664         index = get_unaligned_le16(&hdr->index);
1665         len = get_unaligned_le16(&hdr->len);
1666
1667         if (len != msglen - sizeof(*hdr)) {
1668                 err = -EINVAL;
1669                 goto done;
1670         }
1671
1672         switch (opcode) {
1673         case MGMT_OP_READ_VERSION:
1674                 err = read_version(sk);
1675                 break;
1676         case MGMT_OP_READ_INDEX_LIST:
1677                 err = read_index_list(sk);
1678                 break;
1679         case MGMT_OP_READ_INFO:
1680                 err = read_controller_info(sk, index);
1681                 break;
1682         case MGMT_OP_SET_POWERED:
1683                 err = set_powered(sk, index, buf + sizeof(*hdr), len);
1684                 break;
1685         case MGMT_OP_SET_DISCOVERABLE:
1686                 err = set_discoverable(sk, index, buf + sizeof(*hdr), len);
1687                 break;
1688         case MGMT_OP_SET_CONNECTABLE:
1689                 err = set_connectable(sk, index, buf + sizeof(*hdr), len);
1690                 break;
1691         case MGMT_OP_SET_PAIRABLE:
1692                 err = set_pairable(sk, index, buf + sizeof(*hdr), len);
1693                 break;
1694         case MGMT_OP_ADD_UUID:
1695                 err = add_uuid(sk, index, buf + sizeof(*hdr), len);
1696                 break;
1697         case MGMT_OP_REMOVE_UUID:
1698                 err = remove_uuid(sk, index, buf + sizeof(*hdr), len);
1699                 break;
1700         case MGMT_OP_SET_DEV_CLASS:
1701                 err = set_dev_class(sk, index, buf + sizeof(*hdr), len);
1702                 break;
1703         case MGMT_OP_SET_SERVICE_CACHE:
1704                 err = set_service_cache(sk, index, buf + sizeof(*hdr), len);
1705                 break;
1706         case MGMT_OP_LOAD_KEYS:
1707                 err = load_keys(sk, index, buf + sizeof(*hdr), len);
1708                 break;
1709         case MGMT_OP_REMOVE_KEY:
1710                 err = remove_key(sk, index, buf + sizeof(*hdr), len);
1711                 break;
1712         case MGMT_OP_DISCONNECT:
1713                 err = disconnect(sk, index, buf + sizeof(*hdr), len);
1714                 break;
1715         case MGMT_OP_GET_CONNECTIONS:
1716                 err = get_connections(sk, index);
1717                 break;
1718         case MGMT_OP_PIN_CODE_REPLY:
1719                 err = pin_code_reply(sk, index, buf + sizeof(*hdr), len);
1720                 break;
1721         case MGMT_OP_PIN_CODE_NEG_REPLY:
1722                 err = pin_code_neg_reply(sk, index, buf + sizeof(*hdr), len);
1723                 break;
1724         case MGMT_OP_SET_IO_CAPABILITY:
1725                 err = set_io_capability(sk, index, buf + sizeof(*hdr), len);
1726                 break;
1727         case MGMT_OP_PAIR_DEVICE:
1728                 err = pair_device(sk, index, buf + sizeof(*hdr), len);
1729                 break;
1730         case MGMT_OP_USER_CONFIRM_REPLY:
1731                 err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len, 1);
1732                 break;
1733         case MGMT_OP_USER_CONFIRM_NEG_REPLY:
1734                 err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len, 0);
1735                 break;
1736         case MGMT_OP_SET_LOCAL_NAME:
1737                 err = set_local_name(sk, index, buf + sizeof(*hdr), len);
1738                 break;
1739         case MGMT_OP_READ_LOCAL_OOB_DATA:
1740                 err = read_local_oob_data(sk, index);
1741                 break;
1742         case MGMT_OP_ADD_REMOTE_OOB_DATA:
1743                 err = add_remote_oob_data(sk, index, buf + sizeof(*hdr), len);
1744                 break;
1745         case MGMT_OP_REMOVE_REMOTE_OOB_DATA:
1746                 err = remove_remote_oob_data(sk, index, buf + sizeof(*hdr),
1747                                                                         len);
1748                 break;
1749         case MGMT_OP_START_DISCOVERY:
1750                 err = start_discovery(sk, index);
1751                 break;
1752         case MGMT_OP_STOP_DISCOVERY:
1753                 err = stop_discovery(sk, index);
1754                 break;
1755         default:
1756                 BT_DBG("Unknown op %u", opcode);
1757                 err = cmd_status(sk, index, opcode, 0x01);
1758                 break;
1759         }
1760
1761         if (err < 0)
1762                 goto done;
1763
1764         err = msglen;
1765
1766 done:
1767         kfree(buf);
1768         return err;
1769 }
1770
1771 int mgmt_index_added(u16 index)
1772 {
1773         return mgmt_event(MGMT_EV_INDEX_ADDED, index, NULL, 0, NULL);
1774 }
1775
1776 int mgmt_index_removed(u16 index)
1777 {
1778         return mgmt_event(MGMT_EV_INDEX_REMOVED, index, NULL, 0, NULL);
1779 }
1780
1781 struct cmd_lookup {
1782         u8 val;
1783         struct sock *sk;
1784 };
1785
1786 static void mode_rsp(struct pending_cmd *cmd, void *data)
1787 {
1788         struct mgmt_mode *cp = cmd->param;
1789         struct cmd_lookup *match = data;
1790
1791         if (cp->val != match->val)
1792                 return;
1793
1794         send_mode_rsp(cmd->sk, cmd->opcode, cmd->index, cp->val);
1795
1796         list_del(&cmd->list);
1797
1798         if (match->sk == NULL) {
1799                 match->sk = cmd->sk;
1800                 sock_hold(match->sk);
1801         }
1802
1803         mgmt_pending_free(cmd);
1804 }
1805
1806 int mgmt_powered(u16 index, u8 powered)
1807 {
1808         struct mgmt_mode ev;
1809         struct cmd_lookup match = { powered, NULL };
1810         int ret;
1811
1812         mgmt_pending_foreach(MGMT_OP_SET_POWERED, index, mode_rsp, &match);
1813
1814         ev.val = powered;
1815
1816         ret = mgmt_event(MGMT_EV_POWERED, index, &ev, sizeof(ev), match.sk);
1817
1818         if (match.sk)
1819                 sock_put(match.sk);
1820
1821         return ret;
1822 }
1823
1824 int mgmt_discoverable(u16 index, u8 discoverable)
1825 {
1826         struct mgmt_mode ev;
1827         struct cmd_lookup match = { discoverable, NULL };
1828         int ret;
1829
1830         mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, index, mode_rsp, &match);
1831
1832         ev.val = discoverable;
1833
1834         ret = mgmt_event(MGMT_EV_DISCOVERABLE, index, &ev, sizeof(ev),
1835                                                                 match.sk);
1836
1837         if (match.sk)
1838                 sock_put(match.sk);
1839
1840         return ret;
1841 }
1842
1843 int mgmt_connectable(u16 index, u8 connectable)
1844 {
1845         struct mgmt_mode ev;
1846         struct cmd_lookup match = { connectable, NULL };
1847         int ret;
1848
1849         mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, index, mode_rsp, &match);
1850
1851         ev.val = connectable;
1852
1853         ret = mgmt_event(MGMT_EV_CONNECTABLE, index, &ev, sizeof(ev), match.sk);
1854
1855         if (match.sk)
1856                 sock_put(match.sk);
1857
1858         return ret;
1859 }
1860
1861 int mgmt_new_key(u16 index, struct link_key *key, u8 old_key_type)
1862 {
1863         struct mgmt_ev_new_key ev;
1864
1865         memset(&ev, 0, sizeof(ev));
1866
1867         bacpy(&ev.key.bdaddr, &key->bdaddr);
1868         ev.key.type = key->type;
1869         memcpy(ev.key.val, key->val, 16);
1870         ev.key.pin_len = key->pin_len;
1871         ev.old_key_type = old_key_type;
1872
1873         return mgmt_event(MGMT_EV_NEW_KEY, index, &ev, sizeof(ev), NULL);
1874 }
1875
1876 int mgmt_connected(u16 index, bdaddr_t *bdaddr)
1877 {
1878         struct mgmt_ev_connected ev;
1879
1880         bacpy(&ev.bdaddr, bdaddr);
1881
1882         return mgmt_event(MGMT_EV_CONNECTED, index, &ev, sizeof(ev), NULL);
1883 }
1884
1885 static void disconnect_rsp(struct pending_cmd *cmd, void *data)
1886 {
1887         struct mgmt_cp_disconnect *cp = cmd->param;
1888         struct sock **sk = data;
1889         struct mgmt_rp_disconnect rp;
1890
1891         bacpy(&rp.bdaddr, &cp->bdaddr);
1892
1893         cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, &rp, sizeof(rp));
1894
1895         *sk = cmd->sk;
1896         sock_hold(*sk);
1897
1898         mgmt_pending_remove(cmd);
1899 }
1900
1901 int mgmt_disconnected(u16 index, bdaddr_t *bdaddr)
1902 {
1903         struct mgmt_ev_disconnected ev;
1904         struct sock *sk = NULL;
1905         int err;
1906
1907         mgmt_pending_foreach(MGMT_OP_DISCONNECT, index, disconnect_rsp, &sk);
1908
1909         bacpy(&ev.bdaddr, bdaddr);
1910
1911         err = mgmt_event(MGMT_EV_DISCONNECTED, index, &ev, sizeof(ev), sk);
1912
1913         if (sk)
1914                 sock_put(sk);
1915
1916         return err;
1917 }
1918
1919 int mgmt_disconnect_failed(u16 index)
1920 {
1921         struct pending_cmd *cmd;
1922         int err;
1923
1924         cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, index);
1925         if (!cmd)
1926                 return -ENOENT;
1927
1928         err = cmd_status(cmd->sk, index, MGMT_OP_DISCONNECT, EIO);
1929
1930         mgmt_pending_remove(cmd);
1931
1932         return err;
1933 }
1934
1935 int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status)
1936 {
1937         struct mgmt_ev_connect_failed ev;
1938
1939         bacpy(&ev.bdaddr, bdaddr);
1940         ev.status = status;
1941
1942         return mgmt_event(MGMT_EV_CONNECT_FAILED, index, &ev, sizeof(ev), NULL);
1943 }
1944
1945 int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure)
1946 {
1947         struct mgmt_ev_pin_code_request ev;
1948
1949         bacpy(&ev.bdaddr, bdaddr);
1950         ev.secure = secure;
1951
1952         return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, index, &ev, sizeof(ev),
1953                                                                         NULL);
1954 }
1955
1956 int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
1957 {
1958         struct pending_cmd *cmd;
1959         struct mgmt_rp_pin_code_reply rp;
1960         int err;
1961
1962         cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, index);
1963         if (!cmd)
1964                 return -ENOENT;
1965
1966         bacpy(&rp.bdaddr, bdaddr);
1967         rp.status = status;
1968
1969         err = cmd_complete(cmd->sk, index, MGMT_OP_PIN_CODE_REPLY, &rp,
1970                                                                 sizeof(rp));
1971
1972         mgmt_pending_remove(cmd);
1973
1974         return err;
1975 }
1976
1977 int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
1978 {
1979         struct pending_cmd *cmd;
1980         struct mgmt_rp_pin_code_reply rp;
1981         int err;
1982
1983         cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, index);
1984         if (!cmd)
1985                 return -ENOENT;
1986
1987         bacpy(&rp.bdaddr, bdaddr);
1988         rp.status = status;
1989
1990         err = cmd_complete(cmd->sk, index, MGMT_OP_PIN_CODE_NEG_REPLY, &rp,
1991                                                                 sizeof(rp));
1992
1993         mgmt_pending_remove(cmd);
1994
1995         return err;
1996 }
1997
1998 int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value,
1999                                                         u8 confirm_hint)
2000 {
2001         struct mgmt_ev_user_confirm_request ev;
2002
2003         BT_DBG("hci%u", index);
2004
2005         bacpy(&ev.bdaddr, bdaddr);
2006         ev.confirm_hint = confirm_hint;
2007         put_unaligned_le32(value, &ev.value);
2008
2009         return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, index, &ev, sizeof(ev),
2010                                                                         NULL);
2011 }
2012
2013 static int confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status,
2014                                                                 u8 opcode)
2015 {
2016         struct pending_cmd *cmd;
2017         struct mgmt_rp_user_confirm_reply rp;
2018         int err;
2019
2020         cmd = mgmt_pending_find(opcode, index);
2021         if (!cmd)
2022                 return -ENOENT;
2023
2024         bacpy(&rp.bdaddr, bdaddr);
2025         rp.status = status;
2026         err = cmd_complete(cmd->sk, index, opcode, &rp, sizeof(rp));
2027
2028         mgmt_pending_remove(cmd);
2029
2030         return err;
2031 }
2032
2033 int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
2034 {
2035         return confirm_reply_complete(index, bdaddr, status,
2036                                                 MGMT_OP_USER_CONFIRM_REPLY);
2037 }
2038
2039 int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
2040 {
2041         return confirm_reply_complete(index, bdaddr, status,
2042                                         MGMT_OP_USER_CONFIRM_NEG_REPLY);
2043 }
2044
2045 int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status)
2046 {
2047         struct mgmt_ev_auth_failed ev;
2048
2049         bacpy(&ev.bdaddr, bdaddr);
2050         ev.status = status;
2051
2052         return mgmt_event(MGMT_EV_AUTH_FAILED, index, &ev, sizeof(ev), NULL);
2053 }
2054
2055 int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status)
2056 {
2057         struct pending_cmd *cmd;
2058         struct hci_dev *hdev;
2059         struct mgmt_cp_set_local_name ev;
2060         int err;
2061
2062         memset(&ev, 0, sizeof(ev));
2063         memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
2064
2065         cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, index);
2066         if (!cmd)
2067                 goto send_event;
2068
2069         if (status) {
2070                 err = cmd_status(cmd->sk, index, MGMT_OP_SET_LOCAL_NAME, EIO);
2071                 goto failed;
2072         }
2073
2074         hdev = hci_dev_get(index);
2075         if (hdev) {
2076                 hci_dev_lock_bh(hdev);
2077                 update_eir(hdev);
2078                 hci_dev_unlock_bh(hdev);
2079                 hci_dev_put(hdev);
2080         }
2081
2082         err = cmd_complete(cmd->sk, index, MGMT_OP_SET_LOCAL_NAME, &ev,
2083                                                                 sizeof(ev));
2084         if (err < 0)
2085                 goto failed;
2086
2087 send_event:
2088         err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, index, &ev, sizeof(ev),
2089                                                         cmd ? cmd->sk : NULL);
2090
2091 failed:
2092         if (cmd)
2093                 mgmt_pending_remove(cmd);
2094         return err;
2095 }
2096
2097 int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
2098                                                                 u8 status)
2099 {
2100         struct pending_cmd *cmd;
2101         int err;
2102
2103         BT_DBG("hci%u status %u", index, status);
2104
2105         cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, index);
2106         if (!cmd)
2107                 return -ENOENT;
2108
2109         if (status) {
2110                 err = cmd_status(cmd->sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
2111                                                                         EIO);
2112         } else {
2113                 struct mgmt_rp_read_local_oob_data rp;
2114
2115                 memcpy(rp.hash, hash, sizeof(rp.hash));
2116                 memcpy(rp.randomizer, randomizer, sizeof(rp.randomizer));
2117
2118                 err = cmd_complete(cmd->sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
2119                                                         &rp, sizeof(rp));
2120         }
2121
2122         mgmt_pending_remove(cmd);
2123
2124         return err;
2125 }
2126
2127 int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
2128                                                                 u8 *eir)
2129 {
2130         struct mgmt_ev_device_found ev;
2131
2132         memset(&ev, 0, sizeof(ev));
2133
2134         bacpy(&ev.bdaddr, bdaddr);
2135         memcpy(ev.dev_class, dev_class, sizeof(ev.dev_class));
2136         ev.rssi = rssi;
2137
2138         if (eir)
2139                 memcpy(ev.eir, eir, sizeof(ev.eir));
2140
2141         return mgmt_event(MGMT_EV_DEVICE_FOUND, index, &ev, sizeof(ev), NULL);
2142 }
2143
2144 int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name)
2145 {
2146         struct mgmt_ev_remote_name ev;
2147
2148         memset(&ev, 0, sizeof(ev));
2149
2150         bacpy(&ev.bdaddr, bdaddr);
2151         memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
2152
2153         return mgmt_event(MGMT_EV_REMOTE_NAME, index, &ev, sizeof(ev), NULL);
2154 }
2155
2156 int mgmt_discovering(u16 index, u8 discovering)
2157 {
2158         return mgmt_event(MGMT_EV_DISCOVERING, index, &discovering,
2159                                                 sizeof(discovering), NULL);
2160 }