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1 | /* | |
2 | BlueZ - Bluetooth protocol stack for Linux | |
3 | ||
4 | Copyright (C) 2010 Nokia Corporation | |
5 | Copyright (C) 2011-2012 Intel Corporation | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation; | |
10 | ||
11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES | |
16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
19 | ||
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, | |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
22 | SOFTWARE IS DISCLAIMED. | |
23 | */ | |
24 | ||
25 | /* Bluetooth HCI Management interface */ | |
26 | ||
27 | #include <linux/module.h> | |
28 | #include <asm/unaligned.h> | |
29 | ||
30 | #include <net/bluetooth/bluetooth.h> | |
31 | #include <net/bluetooth/hci_core.h> | |
32 | #include <net/bluetooth/mgmt.h> | |
33 | ||
34 | #include "smp.h" | |
35 | ||
36 | #define MGMT_VERSION 1 | |
37 | #define MGMT_REVISION 4 | |
38 | ||
39 | static const u16 mgmt_commands[] = { | |
40 | MGMT_OP_READ_INDEX_LIST, | |
41 | MGMT_OP_READ_INFO, | |
42 | MGMT_OP_SET_POWERED, | |
43 | MGMT_OP_SET_DISCOVERABLE, | |
44 | MGMT_OP_SET_CONNECTABLE, | |
45 | MGMT_OP_SET_FAST_CONNECTABLE, | |
46 | MGMT_OP_SET_PAIRABLE, | |
47 | MGMT_OP_SET_LINK_SECURITY, | |
48 | MGMT_OP_SET_SSP, | |
49 | MGMT_OP_SET_HS, | |
50 | MGMT_OP_SET_LE, | |
51 | MGMT_OP_SET_DEV_CLASS, | |
52 | MGMT_OP_SET_LOCAL_NAME, | |
53 | MGMT_OP_ADD_UUID, | |
54 | MGMT_OP_REMOVE_UUID, | |
55 | MGMT_OP_LOAD_LINK_KEYS, | |
56 | MGMT_OP_LOAD_LONG_TERM_KEYS, | |
57 | MGMT_OP_DISCONNECT, | |
58 | MGMT_OP_GET_CONNECTIONS, | |
59 | MGMT_OP_PIN_CODE_REPLY, | |
60 | MGMT_OP_PIN_CODE_NEG_REPLY, | |
61 | MGMT_OP_SET_IO_CAPABILITY, | |
62 | MGMT_OP_PAIR_DEVICE, | |
63 | MGMT_OP_CANCEL_PAIR_DEVICE, | |
64 | MGMT_OP_UNPAIR_DEVICE, | |
65 | MGMT_OP_USER_CONFIRM_REPLY, | |
66 | MGMT_OP_USER_CONFIRM_NEG_REPLY, | |
67 | MGMT_OP_USER_PASSKEY_REPLY, | |
68 | MGMT_OP_USER_PASSKEY_NEG_REPLY, | |
69 | MGMT_OP_READ_LOCAL_OOB_DATA, | |
70 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
71 | MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
72 | MGMT_OP_START_DISCOVERY, | |
73 | MGMT_OP_STOP_DISCOVERY, | |
74 | MGMT_OP_CONFIRM_NAME, | |
75 | MGMT_OP_BLOCK_DEVICE, | |
76 | MGMT_OP_UNBLOCK_DEVICE, | |
77 | MGMT_OP_SET_DEVICE_ID, | |
78 | MGMT_OP_SET_ADVERTISING, | |
79 | MGMT_OP_SET_BREDR, | |
80 | MGMT_OP_SET_STATIC_ADDRESS, | |
81 | MGMT_OP_SET_SCAN_PARAMS, | |
82 | }; | |
83 | ||
84 | static const u16 mgmt_events[] = { | |
85 | MGMT_EV_CONTROLLER_ERROR, | |
86 | MGMT_EV_INDEX_ADDED, | |
87 | MGMT_EV_INDEX_REMOVED, | |
88 | MGMT_EV_NEW_SETTINGS, | |
89 | MGMT_EV_CLASS_OF_DEV_CHANGED, | |
90 | MGMT_EV_LOCAL_NAME_CHANGED, | |
91 | MGMT_EV_NEW_LINK_KEY, | |
92 | MGMT_EV_NEW_LONG_TERM_KEY, | |
93 | MGMT_EV_DEVICE_CONNECTED, | |
94 | MGMT_EV_DEVICE_DISCONNECTED, | |
95 | MGMT_EV_CONNECT_FAILED, | |
96 | MGMT_EV_PIN_CODE_REQUEST, | |
97 | MGMT_EV_USER_CONFIRM_REQUEST, | |
98 | MGMT_EV_USER_PASSKEY_REQUEST, | |
99 | MGMT_EV_AUTH_FAILED, | |
100 | MGMT_EV_DEVICE_FOUND, | |
101 | MGMT_EV_DISCOVERING, | |
102 | MGMT_EV_DEVICE_BLOCKED, | |
103 | MGMT_EV_DEVICE_UNBLOCKED, | |
104 | MGMT_EV_DEVICE_UNPAIRED, | |
105 | MGMT_EV_PASSKEY_NOTIFY, | |
106 | }; | |
107 | ||
108 | #define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000) | |
109 | ||
110 | #define hdev_is_powered(hdev) (test_bit(HCI_UP, &hdev->flags) && \ | |
111 | !test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) | |
112 | ||
113 | struct pending_cmd { | |
114 | struct list_head list; | |
115 | u16 opcode; | |
116 | int index; | |
117 | void *param; | |
118 | struct sock *sk; | |
119 | void *user_data; | |
120 | }; | |
121 | ||
122 | /* HCI to MGMT error code conversion table */ | |
123 | static u8 mgmt_status_table[] = { | |
124 | MGMT_STATUS_SUCCESS, | |
125 | MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */ | |
126 | MGMT_STATUS_NOT_CONNECTED, /* No Connection */ | |
127 | MGMT_STATUS_FAILED, /* Hardware Failure */ | |
128 | MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */ | |
129 | MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */ | |
130 | MGMT_STATUS_NOT_PAIRED, /* PIN or Key Missing */ | |
131 | MGMT_STATUS_NO_RESOURCES, /* Memory Full */ | |
132 | MGMT_STATUS_TIMEOUT, /* Connection Timeout */ | |
133 | MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */ | |
134 | MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */ | |
135 | MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */ | |
136 | MGMT_STATUS_BUSY, /* Command Disallowed */ | |
137 | MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */ | |
138 | MGMT_STATUS_REJECTED, /* Rejected Security */ | |
139 | MGMT_STATUS_REJECTED, /* Rejected Personal */ | |
140 | MGMT_STATUS_TIMEOUT, /* Host Timeout */ | |
141 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */ | |
142 | MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */ | |
143 | MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */ | |
144 | MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */ | |
145 | MGMT_STATUS_DISCONNECTED, /* OE Power Off */ | |
146 | MGMT_STATUS_DISCONNECTED, /* Connection Terminated */ | |
147 | MGMT_STATUS_BUSY, /* Repeated Attempts */ | |
148 | MGMT_STATUS_REJECTED, /* Pairing Not Allowed */ | |
149 | MGMT_STATUS_FAILED, /* Unknown LMP PDU */ | |
150 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */ | |
151 | MGMT_STATUS_REJECTED, /* SCO Offset Rejected */ | |
152 | MGMT_STATUS_REJECTED, /* SCO Interval Rejected */ | |
153 | MGMT_STATUS_REJECTED, /* Air Mode Rejected */ | |
154 | MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */ | |
155 | MGMT_STATUS_FAILED, /* Unspecified Error */ | |
156 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */ | |
157 | MGMT_STATUS_FAILED, /* Role Change Not Allowed */ | |
158 | MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */ | |
159 | MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */ | |
160 | MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */ | |
161 | MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */ | |
162 | MGMT_STATUS_FAILED, /* Unit Link Key Used */ | |
163 | MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */ | |
164 | MGMT_STATUS_TIMEOUT, /* Instant Passed */ | |
165 | MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */ | |
166 | MGMT_STATUS_FAILED, /* Transaction Collision */ | |
167 | MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */ | |
168 | MGMT_STATUS_REJECTED, /* QoS Rejected */ | |
169 | MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */ | |
170 | MGMT_STATUS_REJECTED, /* Insufficient Security */ | |
171 | MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */ | |
172 | MGMT_STATUS_BUSY, /* Role Switch Pending */ | |
173 | MGMT_STATUS_FAILED, /* Slot Violation */ | |
174 | MGMT_STATUS_FAILED, /* Role Switch Failed */ | |
175 | MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */ | |
176 | MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */ | |
177 | MGMT_STATUS_BUSY, /* Host Busy Pairing */ | |
178 | MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */ | |
179 | MGMT_STATUS_BUSY, /* Controller Busy */ | |
180 | MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */ | |
181 | MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */ | |
182 | MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */ | |
183 | MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */ | |
184 | MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */ | |
185 | }; | |
186 | ||
187 | static u8 mgmt_status(u8 hci_status) | |
188 | { | |
189 | if (hci_status < ARRAY_SIZE(mgmt_status_table)) | |
190 | return mgmt_status_table[hci_status]; | |
191 | ||
192 | return MGMT_STATUS_FAILED; | |
193 | } | |
194 | ||
195 | static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status) | |
196 | { | |
197 | struct sk_buff *skb; | |
198 | struct mgmt_hdr *hdr; | |
199 | struct mgmt_ev_cmd_status *ev; | |
200 | int err; | |
201 | ||
202 | BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status); | |
203 | ||
204 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL); | |
205 | if (!skb) | |
206 | return -ENOMEM; | |
207 | ||
208 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
209 | ||
210 | hdr->opcode = __constant_cpu_to_le16(MGMT_EV_CMD_STATUS); | |
211 | hdr->index = cpu_to_le16(index); | |
212 | hdr->len = cpu_to_le16(sizeof(*ev)); | |
213 | ||
214 | ev = (void *) skb_put(skb, sizeof(*ev)); | |
215 | ev->status = status; | |
216 | ev->opcode = cpu_to_le16(cmd); | |
217 | ||
218 | err = sock_queue_rcv_skb(sk, skb); | |
219 | if (err < 0) | |
220 | kfree_skb(skb); | |
221 | ||
222 | return err; | |
223 | } | |
224 | ||
225 | static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status, | |
226 | void *rp, size_t rp_len) | |
227 | { | |
228 | struct sk_buff *skb; | |
229 | struct mgmt_hdr *hdr; | |
230 | struct mgmt_ev_cmd_complete *ev; | |
231 | int err; | |
232 | ||
233 | BT_DBG("sock %p", sk); | |
234 | ||
235 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL); | |
236 | if (!skb) | |
237 | return -ENOMEM; | |
238 | ||
239 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
240 | ||
241 | hdr->opcode = __constant_cpu_to_le16(MGMT_EV_CMD_COMPLETE); | |
242 | hdr->index = cpu_to_le16(index); | |
243 | hdr->len = cpu_to_le16(sizeof(*ev) + rp_len); | |
244 | ||
245 | ev = (void *) skb_put(skb, sizeof(*ev) + rp_len); | |
246 | ev->opcode = cpu_to_le16(cmd); | |
247 | ev->status = status; | |
248 | ||
249 | if (rp) | |
250 | memcpy(ev->data, rp, rp_len); | |
251 | ||
252 | err = sock_queue_rcv_skb(sk, skb); | |
253 | if (err < 0) | |
254 | kfree_skb(skb); | |
255 | ||
256 | return err; | |
257 | } | |
258 | ||
259 | static int read_version(struct sock *sk, struct hci_dev *hdev, void *data, | |
260 | u16 data_len) | |
261 | { | |
262 | struct mgmt_rp_read_version rp; | |
263 | ||
264 | BT_DBG("sock %p", sk); | |
265 | ||
266 | rp.version = MGMT_VERSION; | |
267 | rp.revision = __constant_cpu_to_le16(MGMT_REVISION); | |
268 | ||
269 | return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp, | |
270 | sizeof(rp)); | |
271 | } | |
272 | ||
273 | static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data, | |
274 | u16 data_len) | |
275 | { | |
276 | struct mgmt_rp_read_commands *rp; | |
277 | const u16 num_commands = ARRAY_SIZE(mgmt_commands); | |
278 | const u16 num_events = ARRAY_SIZE(mgmt_events); | |
279 | __le16 *opcode; | |
280 | size_t rp_size; | |
281 | int i, err; | |
282 | ||
283 | BT_DBG("sock %p", sk); | |
284 | ||
285 | rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16)); | |
286 | ||
287 | rp = kmalloc(rp_size, GFP_KERNEL); | |
288 | if (!rp) | |
289 | return -ENOMEM; | |
290 | ||
291 | rp->num_commands = __constant_cpu_to_le16(num_commands); | |
292 | rp->num_events = __constant_cpu_to_le16(num_events); | |
293 | ||
294 | for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++) | |
295 | put_unaligned_le16(mgmt_commands[i], opcode); | |
296 | ||
297 | for (i = 0; i < num_events; i++, opcode++) | |
298 | put_unaligned_le16(mgmt_events[i], opcode); | |
299 | ||
300 | err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp, | |
301 | rp_size); | |
302 | kfree(rp); | |
303 | ||
304 | return err; | |
305 | } | |
306 | ||
307 | static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, | |
308 | u16 data_len) | |
309 | { | |
310 | struct mgmt_rp_read_index_list *rp; | |
311 | struct hci_dev *d; | |
312 | size_t rp_len; | |
313 | u16 count; | |
314 | int err; | |
315 | ||
316 | BT_DBG("sock %p", sk); | |
317 | ||
318 | read_lock(&hci_dev_list_lock); | |
319 | ||
320 | count = 0; | |
321 | list_for_each_entry(d, &hci_dev_list, list) { | |
322 | if (d->dev_type == HCI_BREDR) | |
323 | count++; | |
324 | } | |
325 | ||
326 | rp_len = sizeof(*rp) + (2 * count); | |
327 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
328 | if (!rp) { | |
329 | read_unlock(&hci_dev_list_lock); | |
330 | return -ENOMEM; | |
331 | } | |
332 | ||
333 | count = 0; | |
334 | list_for_each_entry(d, &hci_dev_list, list) { | |
335 | if (test_bit(HCI_SETUP, &d->dev_flags)) | |
336 | continue; | |
337 | ||
338 | if (test_bit(HCI_USER_CHANNEL, &d->dev_flags)) | |
339 | continue; | |
340 | ||
341 | if (d->dev_type == HCI_BREDR) { | |
342 | rp->index[count++] = cpu_to_le16(d->id); | |
343 | BT_DBG("Added hci%u", d->id); | |
344 | } | |
345 | } | |
346 | ||
347 | rp->num_controllers = cpu_to_le16(count); | |
348 | rp_len = sizeof(*rp) + (2 * count); | |
349 | ||
350 | read_unlock(&hci_dev_list_lock); | |
351 | ||
352 | err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp, | |
353 | rp_len); | |
354 | ||
355 | kfree(rp); | |
356 | ||
357 | return err; | |
358 | } | |
359 | ||
360 | static u32 get_supported_settings(struct hci_dev *hdev) | |
361 | { | |
362 | u32 settings = 0; | |
363 | ||
364 | settings |= MGMT_SETTING_POWERED; | |
365 | settings |= MGMT_SETTING_PAIRABLE; | |
366 | ||
367 | if (lmp_bredr_capable(hdev)) { | |
368 | settings |= MGMT_SETTING_CONNECTABLE; | |
369 | if (hdev->hci_ver >= BLUETOOTH_VER_1_2) | |
370 | settings |= MGMT_SETTING_FAST_CONNECTABLE; | |
371 | settings |= MGMT_SETTING_DISCOVERABLE; | |
372 | settings |= MGMT_SETTING_BREDR; | |
373 | settings |= MGMT_SETTING_LINK_SECURITY; | |
374 | ||
375 | if (lmp_ssp_capable(hdev)) { | |
376 | settings |= MGMT_SETTING_SSP; | |
377 | settings |= MGMT_SETTING_HS; | |
378 | } | |
379 | } | |
380 | ||
381 | if (lmp_le_capable(hdev)) { | |
382 | settings |= MGMT_SETTING_LE; | |
383 | settings |= MGMT_SETTING_ADVERTISING; | |
384 | } | |
385 | ||
386 | return settings; | |
387 | } | |
388 | ||
389 | static u32 get_current_settings(struct hci_dev *hdev) | |
390 | { | |
391 | u32 settings = 0; | |
392 | ||
393 | if (hdev_is_powered(hdev)) | |
394 | settings |= MGMT_SETTING_POWERED; | |
395 | ||
396 | if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
397 | settings |= MGMT_SETTING_CONNECTABLE; | |
398 | ||
399 | if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) | |
400 | settings |= MGMT_SETTING_FAST_CONNECTABLE; | |
401 | ||
402 | if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) | |
403 | settings |= MGMT_SETTING_DISCOVERABLE; | |
404 | ||
405 | if (test_bit(HCI_PAIRABLE, &hdev->dev_flags)) | |
406 | settings |= MGMT_SETTING_PAIRABLE; | |
407 | ||
408 | if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
409 | settings |= MGMT_SETTING_BREDR; | |
410 | ||
411 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
412 | settings |= MGMT_SETTING_LE; | |
413 | ||
414 | if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) | |
415 | settings |= MGMT_SETTING_LINK_SECURITY; | |
416 | ||
417 | if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) | |
418 | settings |= MGMT_SETTING_SSP; | |
419 | ||
420 | if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags)) | |
421 | settings |= MGMT_SETTING_HS; | |
422 | ||
423 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
424 | settings |= MGMT_SETTING_ADVERTISING; | |
425 | ||
426 | return settings; | |
427 | } | |
428 | ||
429 | #define PNP_INFO_SVCLASS_ID 0x1200 | |
430 | ||
431 | static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) | |
432 | { | |
433 | u8 *ptr = data, *uuids_start = NULL; | |
434 | struct bt_uuid *uuid; | |
435 | ||
436 | if (len < 4) | |
437 | return ptr; | |
438 | ||
439 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
440 | u16 uuid16; | |
441 | ||
442 | if (uuid->size != 16) | |
443 | continue; | |
444 | ||
445 | uuid16 = get_unaligned_le16(&uuid->uuid[12]); | |
446 | if (uuid16 < 0x1100) | |
447 | continue; | |
448 | ||
449 | if (uuid16 == PNP_INFO_SVCLASS_ID) | |
450 | continue; | |
451 | ||
452 | if (!uuids_start) { | |
453 | uuids_start = ptr; | |
454 | uuids_start[0] = 1; | |
455 | uuids_start[1] = EIR_UUID16_ALL; | |
456 | ptr += 2; | |
457 | } | |
458 | ||
459 | /* Stop if not enough space to put next UUID */ | |
460 | if ((ptr - data) + sizeof(u16) > len) { | |
461 | uuids_start[1] = EIR_UUID16_SOME; | |
462 | break; | |
463 | } | |
464 | ||
465 | *ptr++ = (uuid16 & 0x00ff); | |
466 | *ptr++ = (uuid16 & 0xff00) >> 8; | |
467 | uuids_start[0] += sizeof(uuid16); | |
468 | } | |
469 | ||
470 | return ptr; | |
471 | } | |
472 | ||
473 | static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) | |
474 | { | |
475 | u8 *ptr = data, *uuids_start = NULL; | |
476 | struct bt_uuid *uuid; | |
477 | ||
478 | if (len < 6) | |
479 | return ptr; | |
480 | ||
481 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
482 | if (uuid->size != 32) | |
483 | continue; | |
484 | ||
485 | if (!uuids_start) { | |
486 | uuids_start = ptr; | |
487 | uuids_start[0] = 1; | |
488 | uuids_start[1] = EIR_UUID32_ALL; | |
489 | ptr += 2; | |
490 | } | |
491 | ||
492 | /* Stop if not enough space to put next UUID */ | |
493 | if ((ptr - data) + sizeof(u32) > len) { | |
494 | uuids_start[1] = EIR_UUID32_SOME; | |
495 | break; | |
496 | } | |
497 | ||
498 | memcpy(ptr, &uuid->uuid[12], sizeof(u32)); | |
499 | ptr += sizeof(u32); | |
500 | uuids_start[0] += sizeof(u32); | |
501 | } | |
502 | ||
503 | return ptr; | |
504 | } | |
505 | ||
506 | static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) | |
507 | { | |
508 | u8 *ptr = data, *uuids_start = NULL; | |
509 | struct bt_uuid *uuid; | |
510 | ||
511 | if (len < 18) | |
512 | return ptr; | |
513 | ||
514 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
515 | if (uuid->size != 128) | |
516 | continue; | |
517 | ||
518 | if (!uuids_start) { | |
519 | uuids_start = ptr; | |
520 | uuids_start[0] = 1; | |
521 | uuids_start[1] = EIR_UUID128_ALL; | |
522 | ptr += 2; | |
523 | } | |
524 | ||
525 | /* Stop if not enough space to put next UUID */ | |
526 | if ((ptr - data) + 16 > len) { | |
527 | uuids_start[1] = EIR_UUID128_SOME; | |
528 | break; | |
529 | } | |
530 | ||
531 | memcpy(ptr, uuid->uuid, 16); | |
532 | ptr += 16; | |
533 | uuids_start[0] += 16; | |
534 | } | |
535 | ||
536 | return ptr; | |
537 | } | |
538 | ||
539 | static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev) | |
540 | { | |
541 | struct pending_cmd *cmd; | |
542 | ||
543 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
544 | if (cmd->opcode == opcode) | |
545 | return cmd; | |
546 | } | |
547 | ||
548 | return NULL; | |
549 | } | |
550 | ||
551 | static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr) | |
552 | { | |
553 | u8 ad_len = 0; | |
554 | size_t name_len; | |
555 | ||
556 | name_len = strlen(hdev->dev_name); | |
557 | if (name_len > 0) { | |
558 | size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2; | |
559 | ||
560 | if (name_len > max_len) { | |
561 | name_len = max_len; | |
562 | ptr[1] = EIR_NAME_SHORT; | |
563 | } else | |
564 | ptr[1] = EIR_NAME_COMPLETE; | |
565 | ||
566 | ptr[0] = name_len + 1; | |
567 | ||
568 | memcpy(ptr + 2, hdev->dev_name, name_len); | |
569 | ||
570 | ad_len += (name_len + 2); | |
571 | ptr += (name_len + 2); | |
572 | } | |
573 | ||
574 | return ad_len; | |
575 | } | |
576 | ||
577 | static void update_scan_rsp_data(struct hci_request *req) | |
578 | { | |
579 | struct hci_dev *hdev = req->hdev; | |
580 | struct hci_cp_le_set_scan_rsp_data cp; | |
581 | u8 len; | |
582 | ||
583 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
584 | return; | |
585 | ||
586 | memset(&cp, 0, sizeof(cp)); | |
587 | ||
588 | len = create_scan_rsp_data(hdev, cp.data); | |
589 | ||
590 | if (hdev->scan_rsp_data_len == len && | |
591 | memcmp(cp.data, hdev->scan_rsp_data, len) == 0) | |
592 | return; | |
593 | ||
594 | memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data)); | |
595 | hdev->scan_rsp_data_len = len; | |
596 | ||
597 | cp.length = len; | |
598 | ||
599 | hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp); | |
600 | } | |
601 | ||
602 | static u8 get_adv_discov_flags(struct hci_dev *hdev) | |
603 | { | |
604 | struct pending_cmd *cmd; | |
605 | ||
606 | /* If there's a pending mgmt command the flags will not yet have | |
607 | * their final values, so check for this first. | |
608 | */ | |
609 | cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); | |
610 | if (cmd) { | |
611 | struct mgmt_mode *cp = cmd->param; | |
612 | if (cp->val == 0x01) | |
613 | return LE_AD_GENERAL; | |
614 | else if (cp->val == 0x02) | |
615 | return LE_AD_LIMITED; | |
616 | } else { | |
617 | if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags)) | |
618 | return LE_AD_LIMITED; | |
619 | else if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) | |
620 | return LE_AD_GENERAL; | |
621 | } | |
622 | ||
623 | return 0; | |
624 | } | |
625 | ||
626 | static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr) | |
627 | { | |
628 | u8 ad_len = 0, flags = 0; | |
629 | ||
630 | flags |= get_adv_discov_flags(hdev); | |
631 | ||
632 | if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { | |
633 | if (lmp_le_br_capable(hdev)) | |
634 | flags |= LE_AD_SIM_LE_BREDR_CTRL; | |
635 | if (lmp_host_le_br_capable(hdev)) | |
636 | flags |= LE_AD_SIM_LE_BREDR_HOST; | |
637 | } else { | |
638 | flags |= LE_AD_NO_BREDR; | |
639 | } | |
640 | ||
641 | if (flags) { | |
642 | BT_DBG("adv flags 0x%02x", flags); | |
643 | ||
644 | ptr[0] = 2; | |
645 | ptr[1] = EIR_FLAGS; | |
646 | ptr[2] = flags; | |
647 | ||
648 | ad_len += 3; | |
649 | ptr += 3; | |
650 | } | |
651 | ||
652 | if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) { | |
653 | ptr[0] = 2; | |
654 | ptr[1] = EIR_TX_POWER; | |
655 | ptr[2] = (u8) hdev->adv_tx_power; | |
656 | ||
657 | ad_len += 3; | |
658 | ptr += 3; | |
659 | } | |
660 | ||
661 | return ad_len; | |
662 | } | |
663 | ||
664 | static void update_adv_data(struct hci_request *req) | |
665 | { | |
666 | struct hci_dev *hdev = req->hdev; | |
667 | struct hci_cp_le_set_adv_data cp; | |
668 | u8 len; | |
669 | ||
670 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
671 | return; | |
672 | ||
673 | memset(&cp, 0, sizeof(cp)); | |
674 | ||
675 | len = create_adv_data(hdev, cp.data); | |
676 | ||
677 | if (hdev->adv_data_len == len && | |
678 | memcmp(cp.data, hdev->adv_data, len) == 0) | |
679 | return; | |
680 | ||
681 | memcpy(hdev->adv_data, cp.data, sizeof(cp.data)); | |
682 | hdev->adv_data_len = len; | |
683 | ||
684 | cp.length = len; | |
685 | ||
686 | hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp); | |
687 | } | |
688 | ||
689 | static void create_eir(struct hci_dev *hdev, u8 *data) | |
690 | { | |
691 | u8 *ptr = data; | |
692 | size_t name_len; | |
693 | ||
694 | name_len = strlen(hdev->dev_name); | |
695 | ||
696 | if (name_len > 0) { | |
697 | /* EIR Data type */ | |
698 | if (name_len > 48) { | |
699 | name_len = 48; | |
700 | ptr[1] = EIR_NAME_SHORT; | |
701 | } else | |
702 | ptr[1] = EIR_NAME_COMPLETE; | |
703 | ||
704 | /* EIR Data length */ | |
705 | ptr[0] = name_len + 1; | |
706 | ||
707 | memcpy(ptr + 2, hdev->dev_name, name_len); | |
708 | ||
709 | ptr += (name_len + 2); | |
710 | } | |
711 | ||
712 | if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) { | |
713 | ptr[0] = 2; | |
714 | ptr[1] = EIR_TX_POWER; | |
715 | ptr[2] = (u8) hdev->inq_tx_power; | |
716 | ||
717 | ptr += 3; | |
718 | } | |
719 | ||
720 | if (hdev->devid_source > 0) { | |
721 | ptr[0] = 9; | |
722 | ptr[1] = EIR_DEVICE_ID; | |
723 | ||
724 | put_unaligned_le16(hdev->devid_source, ptr + 2); | |
725 | put_unaligned_le16(hdev->devid_vendor, ptr + 4); | |
726 | put_unaligned_le16(hdev->devid_product, ptr + 6); | |
727 | put_unaligned_le16(hdev->devid_version, ptr + 8); | |
728 | ||
729 | ptr += 10; | |
730 | } | |
731 | ||
732 | ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); | |
733 | ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); | |
734 | ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); | |
735 | } | |
736 | ||
737 | static void update_eir(struct hci_request *req) | |
738 | { | |
739 | struct hci_dev *hdev = req->hdev; | |
740 | struct hci_cp_write_eir cp; | |
741 | ||
742 | if (!hdev_is_powered(hdev)) | |
743 | return; | |
744 | ||
745 | if (!lmp_ext_inq_capable(hdev)) | |
746 | return; | |
747 | ||
748 | if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) | |
749 | return; | |
750 | ||
751 | if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) | |
752 | return; | |
753 | ||
754 | memset(&cp, 0, sizeof(cp)); | |
755 | ||
756 | create_eir(hdev, cp.data); | |
757 | ||
758 | if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0) | |
759 | return; | |
760 | ||
761 | memcpy(hdev->eir, cp.data, sizeof(cp.data)); | |
762 | ||
763 | hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); | |
764 | } | |
765 | ||
766 | static u8 get_service_classes(struct hci_dev *hdev) | |
767 | { | |
768 | struct bt_uuid *uuid; | |
769 | u8 val = 0; | |
770 | ||
771 | list_for_each_entry(uuid, &hdev->uuids, list) | |
772 | val |= uuid->svc_hint; | |
773 | ||
774 | return val; | |
775 | } | |
776 | ||
777 | static void update_class(struct hci_request *req) | |
778 | { | |
779 | struct hci_dev *hdev = req->hdev; | |
780 | u8 cod[3]; | |
781 | ||
782 | BT_DBG("%s", hdev->name); | |
783 | ||
784 | if (!hdev_is_powered(hdev)) | |
785 | return; | |
786 | ||
787 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
788 | return; | |
789 | ||
790 | if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) | |
791 | return; | |
792 | ||
793 | cod[0] = hdev->minor_class; | |
794 | cod[1] = hdev->major_class; | |
795 | cod[2] = get_service_classes(hdev); | |
796 | ||
797 | if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags)) | |
798 | cod[1] |= 0x20; | |
799 | ||
800 | if (memcmp(cod, hdev->dev_class, 3) == 0) | |
801 | return; | |
802 | ||
803 | hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); | |
804 | } | |
805 | ||
806 | static void service_cache_off(struct work_struct *work) | |
807 | { | |
808 | struct hci_dev *hdev = container_of(work, struct hci_dev, | |
809 | service_cache.work); | |
810 | struct hci_request req; | |
811 | ||
812 | if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) | |
813 | return; | |
814 | ||
815 | hci_req_init(&req, hdev); | |
816 | ||
817 | hci_dev_lock(hdev); | |
818 | ||
819 | update_eir(&req); | |
820 | update_class(&req); | |
821 | ||
822 | hci_dev_unlock(hdev); | |
823 | ||
824 | hci_req_run(&req, NULL); | |
825 | } | |
826 | ||
827 | static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev) | |
828 | { | |
829 | if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags)) | |
830 | return; | |
831 | ||
832 | INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off); | |
833 | ||
834 | /* Non-mgmt controlled devices get this bit set | |
835 | * implicitly so that pairing works for them, however | |
836 | * for mgmt we require user-space to explicitly enable | |
837 | * it | |
838 | */ | |
839 | clear_bit(HCI_PAIRABLE, &hdev->dev_flags); | |
840 | } | |
841 | ||
842 | static int read_controller_info(struct sock *sk, struct hci_dev *hdev, | |
843 | void *data, u16 data_len) | |
844 | { | |
845 | struct mgmt_rp_read_info rp; | |
846 | ||
847 | BT_DBG("sock %p %s", sk, hdev->name); | |
848 | ||
849 | hci_dev_lock(hdev); | |
850 | ||
851 | memset(&rp, 0, sizeof(rp)); | |
852 | ||
853 | bacpy(&rp.bdaddr, &hdev->bdaddr); | |
854 | ||
855 | rp.version = hdev->hci_ver; | |
856 | rp.manufacturer = cpu_to_le16(hdev->manufacturer); | |
857 | ||
858 | rp.supported_settings = cpu_to_le32(get_supported_settings(hdev)); | |
859 | rp.current_settings = cpu_to_le32(get_current_settings(hdev)); | |
860 | ||
861 | memcpy(rp.dev_class, hdev->dev_class, 3); | |
862 | ||
863 | memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name)); | |
864 | memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name)); | |
865 | ||
866 | hci_dev_unlock(hdev); | |
867 | ||
868 | return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp, | |
869 | sizeof(rp)); | |
870 | } | |
871 | ||
872 | static void mgmt_pending_free(struct pending_cmd *cmd) | |
873 | { | |
874 | sock_put(cmd->sk); | |
875 | kfree(cmd->param); | |
876 | kfree(cmd); | |
877 | } | |
878 | ||
879 | static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, | |
880 | struct hci_dev *hdev, void *data, | |
881 | u16 len) | |
882 | { | |
883 | struct pending_cmd *cmd; | |
884 | ||
885 | cmd = kmalloc(sizeof(*cmd), GFP_KERNEL); | |
886 | if (!cmd) | |
887 | return NULL; | |
888 | ||
889 | cmd->opcode = opcode; | |
890 | cmd->index = hdev->id; | |
891 | ||
892 | cmd->param = kmalloc(len, GFP_KERNEL); | |
893 | if (!cmd->param) { | |
894 | kfree(cmd); | |
895 | return NULL; | |
896 | } | |
897 | ||
898 | if (data) | |
899 | memcpy(cmd->param, data, len); | |
900 | ||
901 | cmd->sk = sk; | |
902 | sock_hold(sk); | |
903 | ||
904 | list_add(&cmd->list, &hdev->mgmt_pending); | |
905 | ||
906 | return cmd; | |
907 | } | |
908 | ||
909 | static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, | |
910 | void (*cb)(struct pending_cmd *cmd, | |
911 | void *data), | |
912 | void *data) | |
913 | { | |
914 | struct pending_cmd *cmd, *tmp; | |
915 | ||
916 | list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) { | |
917 | if (opcode > 0 && cmd->opcode != opcode) | |
918 | continue; | |
919 | ||
920 | cb(cmd, data); | |
921 | } | |
922 | } | |
923 | ||
924 | static void mgmt_pending_remove(struct pending_cmd *cmd) | |
925 | { | |
926 | list_del(&cmd->list); | |
927 | mgmt_pending_free(cmd); | |
928 | } | |
929 | ||
930 | static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) | |
931 | { | |
932 | __le32 settings = cpu_to_le32(get_current_settings(hdev)); | |
933 | ||
934 | return cmd_complete(sk, hdev->id, opcode, 0, &settings, | |
935 | sizeof(settings)); | |
936 | } | |
937 | ||
938 | static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data, | |
939 | u16 len) | |
940 | { | |
941 | struct mgmt_mode *cp = data; | |
942 | struct pending_cmd *cmd; | |
943 | int err; | |
944 | ||
945 | BT_DBG("request for %s", hdev->name); | |
946 | ||
947 | if (cp->val != 0x00 && cp->val != 0x01) | |
948 | return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, | |
949 | MGMT_STATUS_INVALID_PARAMS); | |
950 | ||
951 | hci_dev_lock(hdev); | |
952 | ||
953 | if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) { | |
954 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, | |
955 | MGMT_STATUS_BUSY); | |
956 | goto failed; | |
957 | } | |
958 | ||
959 | if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) { | |
960 | cancel_delayed_work(&hdev->power_off); | |
961 | ||
962 | if (cp->val) { | |
963 | mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, | |
964 | data, len); | |
965 | err = mgmt_powered(hdev, 1); | |
966 | goto failed; | |
967 | } | |
968 | } | |
969 | ||
970 | if (!!cp->val == hdev_is_powered(hdev)) { | |
971 | err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev); | |
972 | goto failed; | |
973 | } | |
974 | ||
975 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len); | |
976 | if (!cmd) { | |
977 | err = -ENOMEM; | |
978 | goto failed; | |
979 | } | |
980 | ||
981 | if (cp->val) | |
982 | queue_work(hdev->req_workqueue, &hdev->power_on); | |
983 | else | |
984 | queue_work(hdev->req_workqueue, &hdev->power_off.work); | |
985 | ||
986 | err = 0; | |
987 | ||
988 | failed: | |
989 | hci_dev_unlock(hdev); | |
990 | return err; | |
991 | } | |
992 | ||
993 | static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len, | |
994 | struct sock *skip_sk) | |
995 | { | |
996 | struct sk_buff *skb; | |
997 | struct mgmt_hdr *hdr; | |
998 | ||
999 | skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL); | |
1000 | if (!skb) | |
1001 | return -ENOMEM; | |
1002 | ||
1003 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
1004 | hdr->opcode = cpu_to_le16(event); | |
1005 | if (hdev) | |
1006 | hdr->index = cpu_to_le16(hdev->id); | |
1007 | else | |
1008 | hdr->index = __constant_cpu_to_le16(MGMT_INDEX_NONE); | |
1009 | hdr->len = cpu_to_le16(data_len); | |
1010 | ||
1011 | if (data) | |
1012 | memcpy(skb_put(skb, data_len), data, data_len); | |
1013 | ||
1014 | /* Time stamp */ | |
1015 | __net_timestamp(skb); | |
1016 | ||
1017 | hci_send_to_control(skb, skip_sk); | |
1018 | kfree_skb(skb); | |
1019 | ||
1020 | return 0; | |
1021 | } | |
1022 | ||
1023 | static int new_settings(struct hci_dev *hdev, struct sock *skip) | |
1024 | { | |
1025 | __le32 ev; | |
1026 | ||
1027 | ev = cpu_to_le32(get_current_settings(hdev)); | |
1028 | ||
1029 | return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip); | |
1030 | } | |
1031 | ||
1032 | struct cmd_lookup { | |
1033 | struct sock *sk; | |
1034 | struct hci_dev *hdev; | |
1035 | u8 mgmt_status; | |
1036 | }; | |
1037 | ||
1038 | static void settings_rsp(struct pending_cmd *cmd, void *data) | |
1039 | { | |
1040 | struct cmd_lookup *match = data; | |
1041 | ||
1042 | send_settings_rsp(cmd->sk, cmd->opcode, match->hdev); | |
1043 | ||
1044 | list_del(&cmd->list); | |
1045 | ||
1046 | if (match->sk == NULL) { | |
1047 | match->sk = cmd->sk; | |
1048 | sock_hold(match->sk); | |
1049 | } | |
1050 | ||
1051 | mgmt_pending_free(cmd); | |
1052 | } | |
1053 | ||
1054 | static void cmd_status_rsp(struct pending_cmd *cmd, void *data) | |
1055 | { | |
1056 | u8 *status = data; | |
1057 | ||
1058 | cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); | |
1059 | mgmt_pending_remove(cmd); | |
1060 | } | |
1061 | ||
1062 | static u8 mgmt_bredr_support(struct hci_dev *hdev) | |
1063 | { | |
1064 | if (!lmp_bredr_capable(hdev)) | |
1065 | return MGMT_STATUS_NOT_SUPPORTED; | |
1066 | else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1067 | return MGMT_STATUS_REJECTED; | |
1068 | else | |
1069 | return MGMT_STATUS_SUCCESS; | |
1070 | } | |
1071 | ||
1072 | static u8 mgmt_le_support(struct hci_dev *hdev) | |
1073 | { | |
1074 | if (!lmp_le_capable(hdev)) | |
1075 | return MGMT_STATUS_NOT_SUPPORTED; | |
1076 | else if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
1077 | return MGMT_STATUS_REJECTED; | |
1078 | else | |
1079 | return MGMT_STATUS_SUCCESS; | |
1080 | } | |
1081 | ||
1082 | static void set_discoverable_complete(struct hci_dev *hdev, u8 status) | |
1083 | { | |
1084 | struct pending_cmd *cmd; | |
1085 | struct mgmt_mode *cp; | |
1086 | struct hci_request req; | |
1087 | bool changed; | |
1088 | ||
1089 | BT_DBG("status 0x%02x", status); | |
1090 | ||
1091 | hci_dev_lock(hdev); | |
1092 | ||
1093 | cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); | |
1094 | if (!cmd) | |
1095 | goto unlock; | |
1096 | ||
1097 | if (status) { | |
1098 | u8 mgmt_err = mgmt_status(status); | |
1099 | cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); | |
1100 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1101 | goto remove_cmd; | |
1102 | } | |
1103 | ||
1104 | cp = cmd->param; | |
1105 | if (cp->val) { | |
1106 | changed = !test_and_set_bit(HCI_DISCOVERABLE, | |
1107 | &hdev->dev_flags); | |
1108 | ||
1109 | if (hdev->discov_timeout > 0) { | |
1110 | int to = msecs_to_jiffies(hdev->discov_timeout * 1000); | |
1111 | queue_delayed_work(hdev->workqueue, &hdev->discov_off, | |
1112 | to); | |
1113 | } | |
1114 | } else { | |
1115 | changed = test_and_clear_bit(HCI_DISCOVERABLE, | |
1116 | &hdev->dev_flags); | |
1117 | } | |
1118 | ||
1119 | send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev); | |
1120 | ||
1121 | if (changed) | |
1122 | new_settings(hdev, cmd->sk); | |
1123 | ||
1124 | /* When the discoverable mode gets changed, make sure | |
1125 | * that class of device has the limited discoverable | |
1126 | * bit correctly set. | |
1127 | */ | |
1128 | hci_req_init(&req, hdev); | |
1129 | update_class(&req); | |
1130 | hci_req_run(&req, NULL); | |
1131 | ||
1132 | remove_cmd: | |
1133 | mgmt_pending_remove(cmd); | |
1134 | ||
1135 | unlock: | |
1136 | hci_dev_unlock(hdev); | |
1137 | } | |
1138 | ||
1139 | static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, | |
1140 | u16 len) | |
1141 | { | |
1142 | struct mgmt_cp_set_discoverable *cp = data; | |
1143 | struct pending_cmd *cmd; | |
1144 | struct hci_request req; | |
1145 | u16 timeout; | |
1146 | u8 scan; | |
1147 | int err; | |
1148 | ||
1149 | BT_DBG("request for %s", hdev->name); | |
1150 | ||
1151 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) && | |
1152 | !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1153 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1154 | MGMT_STATUS_REJECTED); | |
1155 | ||
1156 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) | |
1157 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1158 | MGMT_STATUS_INVALID_PARAMS); | |
1159 | ||
1160 | timeout = __le16_to_cpu(cp->timeout); | |
1161 | ||
1162 | /* Disabling discoverable requires that no timeout is set, | |
1163 | * and enabling limited discoverable requires a timeout. | |
1164 | */ | |
1165 | if ((cp->val == 0x00 && timeout > 0) || | |
1166 | (cp->val == 0x02 && timeout == 0)) | |
1167 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1168 | MGMT_STATUS_INVALID_PARAMS); | |
1169 | ||
1170 | hci_dev_lock(hdev); | |
1171 | ||
1172 | if (!hdev_is_powered(hdev) && timeout > 0) { | |
1173 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1174 | MGMT_STATUS_NOT_POWERED); | |
1175 | goto failed; | |
1176 | } | |
1177 | ||
1178 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || | |
1179 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { | |
1180 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1181 | MGMT_STATUS_BUSY); | |
1182 | goto failed; | |
1183 | } | |
1184 | ||
1185 | if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) { | |
1186 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1187 | MGMT_STATUS_REJECTED); | |
1188 | goto failed; | |
1189 | } | |
1190 | ||
1191 | if (!hdev_is_powered(hdev)) { | |
1192 | bool changed = false; | |
1193 | ||
1194 | /* Setting limited discoverable when powered off is | |
1195 | * not a valid operation since it requires a timeout | |
1196 | * and so no need to check HCI_LIMITED_DISCOVERABLE. | |
1197 | */ | |
1198 | if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) { | |
1199 | change_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
1200 | changed = true; | |
1201 | } | |
1202 | ||
1203 | err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); | |
1204 | if (err < 0) | |
1205 | goto failed; | |
1206 | ||
1207 | if (changed) | |
1208 | err = new_settings(hdev, sk); | |
1209 | ||
1210 | goto failed; | |
1211 | } | |
1212 | ||
1213 | /* If the current mode is the same, then just update the timeout | |
1214 | * value with the new value. And if only the timeout gets updated, | |
1215 | * then no need for any HCI transactions. | |
1216 | */ | |
1217 | if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) && | |
1218 | (cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE, | |
1219 | &hdev->dev_flags)) { | |
1220 | cancel_delayed_work(&hdev->discov_off); | |
1221 | hdev->discov_timeout = timeout; | |
1222 | ||
1223 | if (cp->val && hdev->discov_timeout > 0) { | |
1224 | int to = msecs_to_jiffies(hdev->discov_timeout * 1000); | |
1225 | queue_delayed_work(hdev->workqueue, &hdev->discov_off, | |
1226 | to); | |
1227 | } | |
1228 | ||
1229 | err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); | |
1230 | goto failed; | |
1231 | } | |
1232 | ||
1233 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len); | |
1234 | if (!cmd) { | |
1235 | err = -ENOMEM; | |
1236 | goto failed; | |
1237 | } | |
1238 | ||
1239 | /* Cancel any potential discoverable timeout that might be | |
1240 | * still active and store new timeout value. The arming of | |
1241 | * the timeout happens in the complete handler. | |
1242 | */ | |
1243 | cancel_delayed_work(&hdev->discov_off); | |
1244 | hdev->discov_timeout = timeout; | |
1245 | ||
1246 | /* Limited discoverable mode */ | |
1247 | if (cp->val == 0x02) | |
1248 | set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1249 | else | |
1250 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1251 | ||
1252 | hci_req_init(&req, hdev); | |
1253 | ||
1254 | /* The procedure for LE-only controllers is much simpler - just | |
1255 | * update the advertising data. | |
1256 | */ | |
1257 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1258 | goto update_ad; | |
1259 | ||
1260 | scan = SCAN_PAGE; | |
1261 | ||
1262 | if (cp->val) { | |
1263 | struct hci_cp_write_current_iac_lap hci_cp; | |
1264 | ||
1265 | if (cp->val == 0x02) { | |
1266 | /* Limited discoverable mode */ | |
1267 | hci_cp.num_iac = min_t(u8, hdev->num_iac, 2); | |
1268 | hci_cp.iac_lap[0] = 0x00; /* LIAC */ | |
1269 | hci_cp.iac_lap[1] = 0x8b; | |
1270 | hci_cp.iac_lap[2] = 0x9e; | |
1271 | hci_cp.iac_lap[3] = 0x33; /* GIAC */ | |
1272 | hci_cp.iac_lap[4] = 0x8b; | |
1273 | hci_cp.iac_lap[5] = 0x9e; | |
1274 | } else { | |
1275 | /* General discoverable mode */ | |
1276 | hci_cp.num_iac = 1; | |
1277 | hci_cp.iac_lap[0] = 0x33; /* GIAC */ | |
1278 | hci_cp.iac_lap[1] = 0x8b; | |
1279 | hci_cp.iac_lap[2] = 0x9e; | |
1280 | } | |
1281 | ||
1282 | hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP, | |
1283 | (hci_cp.num_iac * 3) + 1, &hci_cp); | |
1284 | ||
1285 | scan |= SCAN_INQUIRY; | |
1286 | } else { | |
1287 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1288 | } | |
1289 | ||
1290 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan); | |
1291 | ||
1292 | update_ad: | |
1293 | update_adv_data(&req); | |
1294 | ||
1295 | err = hci_req_run(&req, set_discoverable_complete); | |
1296 | if (err < 0) | |
1297 | mgmt_pending_remove(cmd); | |
1298 | ||
1299 | failed: | |
1300 | hci_dev_unlock(hdev); | |
1301 | return err; | |
1302 | } | |
1303 | ||
1304 | static void write_fast_connectable(struct hci_request *req, bool enable) | |
1305 | { | |
1306 | struct hci_dev *hdev = req->hdev; | |
1307 | struct hci_cp_write_page_scan_activity acp; | |
1308 | u8 type; | |
1309 | ||
1310 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1311 | return; | |
1312 | ||
1313 | if (hdev->hci_ver < BLUETOOTH_VER_1_2) | |
1314 | return; | |
1315 | ||
1316 | if (enable) { | |
1317 | type = PAGE_SCAN_TYPE_INTERLACED; | |
1318 | ||
1319 | /* 160 msec page scan interval */ | |
1320 | acp.interval = __constant_cpu_to_le16(0x0100); | |
1321 | } else { | |
1322 | type = PAGE_SCAN_TYPE_STANDARD; /* default */ | |
1323 | ||
1324 | /* default 1.28 sec page scan */ | |
1325 | acp.interval = __constant_cpu_to_le16(0x0800); | |
1326 | } | |
1327 | ||
1328 | acp.window = __constant_cpu_to_le16(0x0012); | |
1329 | ||
1330 | if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval || | |
1331 | __cpu_to_le16(hdev->page_scan_window) != acp.window) | |
1332 | hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, | |
1333 | sizeof(acp), &acp); | |
1334 | ||
1335 | if (hdev->page_scan_type != type) | |
1336 | hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); | |
1337 | } | |
1338 | ||
1339 | static u8 get_adv_type(struct hci_dev *hdev) | |
1340 | { | |
1341 | struct pending_cmd *cmd; | |
1342 | bool connectable; | |
1343 | ||
1344 | /* If there's a pending mgmt command the flag will not yet have | |
1345 | * it's final value, so check for this first. | |
1346 | */ | |
1347 | cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); | |
1348 | if (cmd) { | |
1349 | struct mgmt_mode *cp = cmd->param; | |
1350 | connectable = !!cp->val; | |
1351 | } else { | |
1352 | connectable = test_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1353 | } | |
1354 | ||
1355 | return connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND; | |
1356 | } | |
1357 | ||
1358 | static void enable_advertising(struct hci_request *req) | |
1359 | { | |
1360 | struct hci_dev *hdev = req->hdev; | |
1361 | struct hci_cp_le_set_adv_param cp; | |
1362 | u8 enable = 0x01; | |
1363 | ||
1364 | memset(&cp, 0, sizeof(cp)); | |
1365 | cp.min_interval = __constant_cpu_to_le16(0x0800); | |
1366 | cp.max_interval = __constant_cpu_to_le16(0x0800); | |
1367 | cp.type = get_adv_type(hdev); | |
1368 | cp.own_address_type = hdev->own_addr_type; | |
1369 | cp.channel_map = 0x07; | |
1370 | ||
1371 | hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp); | |
1372 | ||
1373 | hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); | |
1374 | } | |
1375 | ||
1376 | static void disable_advertising(struct hci_request *req) | |
1377 | { | |
1378 | u8 enable = 0x00; | |
1379 | ||
1380 | hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); | |
1381 | } | |
1382 | ||
1383 | static void set_connectable_complete(struct hci_dev *hdev, u8 status) | |
1384 | { | |
1385 | struct pending_cmd *cmd; | |
1386 | struct mgmt_mode *cp; | |
1387 | bool changed; | |
1388 | ||
1389 | BT_DBG("status 0x%02x", status); | |
1390 | ||
1391 | hci_dev_lock(hdev); | |
1392 | ||
1393 | cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); | |
1394 | if (!cmd) | |
1395 | goto unlock; | |
1396 | ||
1397 | if (status) { | |
1398 | u8 mgmt_err = mgmt_status(status); | |
1399 | cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); | |
1400 | goto remove_cmd; | |
1401 | } | |
1402 | ||
1403 | cp = cmd->param; | |
1404 | if (cp->val) | |
1405 | changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1406 | else | |
1407 | changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1408 | ||
1409 | send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev); | |
1410 | ||
1411 | if (changed) | |
1412 | new_settings(hdev, cmd->sk); | |
1413 | ||
1414 | remove_cmd: | |
1415 | mgmt_pending_remove(cmd); | |
1416 | ||
1417 | unlock: | |
1418 | hci_dev_unlock(hdev); | |
1419 | } | |
1420 | ||
1421 | static int set_connectable_update_settings(struct hci_dev *hdev, | |
1422 | struct sock *sk, u8 val) | |
1423 | { | |
1424 | bool changed = false; | |
1425 | int err; | |
1426 | ||
1427 | if (!!val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
1428 | changed = true; | |
1429 | ||
1430 | if (val) { | |
1431 | set_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1432 | } else { | |
1433 | clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1434 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
1435 | } | |
1436 | ||
1437 | err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); | |
1438 | if (err < 0) | |
1439 | return err; | |
1440 | ||
1441 | if (changed) | |
1442 | return new_settings(hdev, sk); | |
1443 | ||
1444 | return 0; | |
1445 | } | |
1446 | ||
1447 | static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, | |
1448 | u16 len) | |
1449 | { | |
1450 | struct mgmt_mode *cp = data; | |
1451 | struct pending_cmd *cmd; | |
1452 | struct hci_request req; | |
1453 | u8 scan; | |
1454 | int err; | |
1455 | ||
1456 | BT_DBG("request for %s", hdev->name); | |
1457 | ||
1458 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) && | |
1459 | !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1460 | return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, | |
1461 | MGMT_STATUS_REJECTED); | |
1462 | ||
1463 | if (cp->val != 0x00 && cp->val != 0x01) | |
1464 | return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, | |
1465 | MGMT_STATUS_INVALID_PARAMS); | |
1466 | ||
1467 | hci_dev_lock(hdev); | |
1468 | ||
1469 | if (!hdev_is_powered(hdev)) { | |
1470 | err = set_connectable_update_settings(hdev, sk, cp->val); | |
1471 | goto failed; | |
1472 | } | |
1473 | ||
1474 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || | |
1475 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { | |
1476 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, | |
1477 | MGMT_STATUS_BUSY); | |
1478 | goto failed; | |
1479 | } | |
1480 | ||
1481 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len); | |
1482 | if (!cmd) { | |
1483 | err = -ENOMEM; | |
1484 | goto failed; | |
1485 | } | |
1486 | ||
1487 | hci_req_init(&req, hdev); | |
1488 | ||
1489 | /* If BR/EDR is not enabled and we disable advertising as a | |
1490 | * by-product of disabling connectable, we need to update the | |
1491 | * advertising flags. | |
1492 | */ | |
1493 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { | |
1494 | if (!cp->val) { | |
1495 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1496 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
1497 | } | |
1498 | update_adv_data(&req); | |
1499 | } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) { | |
1500 | if (cp->val) { | |
1501 | scan = SCAN_PAGE; | |
1502 | } else { | |
1503 | scan = 0; | |
1504 | ||
1505 | if (test_bit(HCI_ISCAN, &hdev->flags) && | |
1506 | hdev->discov_timeout > 0) | |
1507 | cancel_delayed_work(&hdev->discov_off); | |
1508 | } | |
1509 | ||
1510 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
1511 | } | |
1512 | ||
1513 | /* If we're going from non-connectable to connectable or | |
1514 | * vice-versa when fast connectable is enabled ensure that fast | |
1515 | * connectable gets disabled. write_fast_connectable won't do | |
1516 | * anything if the page scan parameters are already what they | |
1517 | * should be. | |
1518 | */ | |
1519 | if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) | |
1520 | write_fast_connectable(&req, false); | |
1521 | ||
1522 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags) && | |
1523 | hci_conn_num(hdev, LE_LINK) == 0) { | |
1524 | disable_advertising(&req); | |
1525 | enable_advertising(&req); | |
1526 | } | |
1527 | ||
1528 | err = hci_req_run(&req, set_connectable_complete); | |
1529 | if (err < 0) { | |
1530 | mgmt_pending_remove(cmd); | |
1531 | if (err == -ENODATA) | |
1532 | err = set_connectable_update_settings(hdev, sk, | |
1533 | cp->val); | |
1534 | goto failed; | |
1535 | } | |
1536 | ||
1537 | failed: | |
1538 | hci_dev_unlock(hdev); | |
1539 | return err; | |
1540 | } | |
1541 | ||
1542 | static int set_pairable(struct sock *sk, struct hci_dev *hdev, void *data, | |
1543 | u16 len) | |
1544 | { | |
1545 | struct mgmt_mode *cp = data; | |
1546 | bool changed; | |
1547 | int err; | |
1548 | ||
1549 | BT_DBG("request for %s", hdev->name); | |
1550 | ||
1551 | if (cp->val != 0x00 && cp->val != 0x01) | |
1552 | return cmd_status(sk, hdev->id, MGMT_OP_SET_PAIRABLE, | |
1553 | MGMT_STATUS_INVALID_PARAMS); | |
1554 | ||
1555 | hci_dev_lock(hdev); | |
1556 | ||
1557 | if (cp->val) | |
1558 | changed = !test_and_set_bit(HCI_PAIRABLE, &hdev->dev_flags); | |
1559 | else | |
1560 | changed = test_and_clear_bit(HCI_PAIRABLE, &hdev->dev_flags); | |
1561 | ||
1562 | err = send_settings_rsp(sk, MGMT_OP_SET_PAIRABLE, hdev); | |
1563 | if (err < 0) | |
1564 | goto unlock; | |
1565 | ||
1566 | if (changed) | |
1567 | err = new_settings(hdev, sk); | |
1568 | ||
1569 | unlock: | |
1570 | hci_dev_unlock(hdev); | |
1571 | return err; | |
1572 | } | |
1573 | ||
1574 | static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data, | |
1575 | u16 len) | |
1576 | { | |
1577 | struct mgmt_mode *cp = data; | |
1578 | struct pending_cmd *cmd; | |
1579 | u8 val, status; | |
1580 | int err; | |
1581 | ||
1582 | BT_DBG("request for %s", hdev->name); | |
1583 | ||
1584 | status = mgmt_bredr_support(hdev); | |
1585 | if (status) | |
1586 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, | |
1587 | status); | |
1588 | ||
1589 | if (cp->val != 0x00 && cp->val != 0x01) | |
1590 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, | |
1591 | MGMT_STATUS_INVALID_PARAMS); | |
1592 | ||
1593 | hci_dev_lock(hdev); | |
1594 | ||
1595 | if (!hdev_is_powered(hdev)) { | |
1596 | bool changed = false; | |
1597 | ||
1598 | if (!!cp->val != test_bit(HCI_LINK_SECURITY, | |
1599 | &hdev->dev_flags)) { | |
1600 | change_bit(HCI_LINK_SECURITY, &hdev->dev_flags); | |
1601 | changed = true; | |
1602 | } | |
1603 | ||
1604 | err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); | |
1605 | if (err < 0) | |
1606 | goto failed; | |
1607 | ||
1608 | if (changed) | |
1609 | err = new_settings(hdev, sk); | |
1610 | ||
1611 | goto failed; | |
1612 | } | |
1613 | ||
1614 | if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) { | |
1615 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, | |
1616 | MGMT_STATUS_BUSY); | |
1617 | goto failed; | |
1618 | } | |
1619 | ||
1620 | val = !!cp->val; | |
1621 | ||
1622 | if (test_bit(HCI_AUTH, &hdev->flags) == val) { | |
1623 | err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); | |
1624 | goto failed; | |
1625 | } | |
1626 | ||
1627 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len); | |
1628 | if (!cmd) { | |
1629 | err = -ENOMEM; | |
1630 | goto failed; | |
1631 | } | |
1632 | ||
1633 | err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val); | |
1634 | if (err < 0) { | |
1635 | mgmt_pending_remove(cmd); | |
1636 | goto failed; | |
1637 | } | |
1638 | ||
1639 | failed: | |
1640 | hci_dev_unlock(hdev); | |
1641 | return err; | |
1642 | } | |
1643 | ||
1644 | static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
1645 | { | |
1646 | struct mgmt_mode *cp = data; | |
1647 | struct pending_cmd *cmd; | |
1648 | u8 status; | |
1649 | int err; | |
1650 | ||
1651 | BT_DBG("request for %s", hdev->name); | |
1652 | ||
1653 | status = mgmt_bredr_support(hdev); | |
1654 | if (status) | |
1655 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status); | |
1656 | ||
1657 | if (!lmp_ssp_capable(hdev)) | |
1658 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, | |
1659 | MGMT_STATUS_NOT_SUPPORTED); | |
1660 | ||
1661 | if (cp->val != 0x00 && cp->val != 0x01) | |
1662 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, | |
1663 | MGMT_STATUS_INVALID_PARAMS); | |
1664 | ||
1665 | hci_dev_lock(hdev); | |
1666 | ||
1667 | if (!hdev_is_powered(hdev)) { | |
1668 | bool changed; | |
1669 | ||
1670 | if (cp->val) { | |
1671 | changed = !test_and_set_bit(HCI_SSP_ENABLED, | |
1672 | &hdev->dev_flags); | |
1673 | } else { | |
1674 | changed = test_and_clear_bit(HCI_SSP_ENABLED, | |
1675 | &hdev->dev_flags); | |
1676 | if (!changed) | |
1677 | changed = test_and_clear_bit(HCI_HS_ENABLED, | |
1678 | &hdev->dev_flags); | |
1679 | else | |
1680 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
1681 | } | |
1682 | ||
1683 | err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); | |
1684 | if (err < 0) | |
1685 | goto failed; | |
1686 | ||
1687 | if (changed) | |
1688 | err = new_settings(hdev, sk); | |
1689 | ||
1690 | goto failed; | |
1691 | } | |
1692 | ||
1693 | if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) || | |
1694 | mgmt_pending_find(MGMT_OP_SET_HS, hdev)) { | |
1695 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, | |
1696 | MGMT_STATUS_BUSY); | |
1697 | goto failed; | |
1698 | } | |
1699 | ||
1700 | if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { | |
1701 | err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); | |
1702 | goto failed; | |
1703 | } | |
1704 | ||
1705 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len); | |
1706 | if (!cmd) { | |
1707 | err = -ENOMEM; | |
1708 | goto failed; | |
1709 | } | |
1710 | ||
1711 | err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val); | |
1712 | if (err < 0) { | |
1713 | mgmt_pending_remove(cmd); | |
1714 | goto failed; | |
1715 | } | |
1716 | ||
1717 | failed: | |
1718 | hci_dev_unlock(hdev); | |
1719 | return err; | |
1720 | } | |
1721 | ||
1722 | static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
1723 | { | |
1724 | struct mgmt_mode *cp = data; | |
1725 | bool changed; | |
1726 | u8 status; | |
1727 | int err; | |
1728 | ||
1729 | BT_DBG("request for %s", hdev->name); | |
1730 | ||
1731 | status = mgmt_bredr_support(hdev); | |
1732 | if (status) | |
1733 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status); | |
1734 | ||
1735 | if (!lmp_ssp_capable(hdev)) | |
1736 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
1737 | MGMT_STATUS_NOT_SUPPORTED); | |
1738 | ||
1739 | if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) | |
1740 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
1741 | MGMT_STATUS_REJECTED); | |
1742 | ||
1743 | if (cp->val != 0x00 && cp->val != 0x01) | |
1744 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
1745 | MGMT_STATUS_INVALID_PARAMS); | |
1746 | ||
1747 | hci_dev_lock(hdev); | |
1748 | ||
1749 | if (cp->val) { | |
1750 | changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
1751 | } else { | |
1752 | if (hdev_is_powered(hdev)) { | |
1753 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
1754 | MGMT_STATUS_REJECTED); | |
1755 | goto unlock; | |
1756 | } | |
1757 | ||
1758 | changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
1759 | } | |
1760 | ||
1761 | err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev); | |
1762 | if (err < 0) | |
1763 | goto unlock; | |
1764 | ||
1765 | if (changed) | |
1766 | err = new_settings(hdev, sk); | |
1767 | ||
1768 | unlock: | |
1769 | hci_dev_unlock(hdev); | |
1770 | return err; | |
1771 | } | |
1772 | ||
1773 | static void le_enable_complete(struct hci_dev *hdev, u8 status) | |
1774 | { | |
1775 | struct cmd_lookup match = { NULL, hdev }; | |
1776 | ||
1777 | if (status) { | |
1778 | u8 mgmt_err = mgmt_status(status); | |
1779 | ||
1780 | mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp, | |
1781 | &mgmt_err); | |
1782 | return; | |
1783 | } | |
1784 | ||
1785 | mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match); | |
1786 | ||
1787 | new_settings(hdev, match.sk); | |
1788 | ||
1789 | if (match.sk) | |
1790 | sock_put(match.sk); | |
1791 | ||
1792 | /* Make sure the controller has a good default for | |
1793 | * advertising data. Restrict the update to when LE | |
1794 | * has actually been enabled. During power on, the | |
1795 | * update in powered_update_hci will take care of it. | |
1796 | */ | |
1797 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { | |
1798 | struct hci_request req; | |
1799 | ||
1800 | hci_dev_lock(hdev); | |
1801 | ||
1802 | hci_req_init(&req, hdev); | |
1803 | update_adv_data(&req); | |
1804 | update_scan_rsp_data(&req); | |
1805 | hci_req_run(&req, NULL); | |
1806 | ||
1807 | hci_dev_unlock(hdev); | |
1808 | } | |
1809 | } | |
1810 | ||
1811 | static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
1812 | { | |
1813 | struct mgmt_mode *cp = data; | |
1814 | struct hci_cp_write_le_host_supported hci_cp; | |
1815 | struct pending_cmd *cmd; | |
1816 | struct hci_request req; | |
1817 | int err; | |
1818 | u8 val, enabled; | |
1819 | ||
1820 | BT_DBG("request for %s", hdev->name); | |
1821 | ||
1822 | if (!lmp_le_capable(hdev)) | |
1823 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, | |
1824 | MGMT_STATUS_NOT_SUPPORTED); | |
1825 | ||
1826 | if (cp->val != 0x00 && cp->val != 0x01) | |
1827 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, | |
1828 | MGMT_STATUS_INVALID_PARAMS); | |
1829 | ||
1830 | /* LE-only devices do not allow toggling LE on/off */ | |
1831 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1832 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, | |
1833 | MGMT_STATUS_REJECTED); | |
1834 | ||
1835 | hci_dev_lock(hdev); | |
1836 | ||
1837 | val = !!cp->val; | |
1838 | enabled = lmp_host_le_capable(hdev); | |
1839 | ||
1840 | if (!hdev_is_powered(hdev) || val == enabled) { | |
1841 | bool changed = false; | |
1842 | ||
1843 | if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { | |
1844 | change_bit(HCI_LE_ENABLED, &hdev->dev_flags); | |
1845 | changed = true; | |
1846 | } | |
1847 | ||
1848 | if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { | |
1849 | clear_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
1850 | changed = true; | |
1851 | } | |
1852 | ||
1853 | err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); | |
1854 | if (err < 0) | |
1855 | goto unlock; | |
1856 | ||
1857 | if (changed) | |
1858 | err = new_settings(hdev, sk); | |
1859 | ||
1860 | goto unlock; | |
1861 | } | |
1862 | ||
1863 | if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) || | |
1864 | mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) { | |
1865 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE, | |
1866 | MGMT_STATUS_BUSY); | |
1867 | goto unlock; | |
1868 | } | |
1869 | ||
1870 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len); | |
1871 | if (!cmd) { | |
1872 | err = -ENOMEM; | |
1873 | goto unlock; | |
1874 | } | |
1875 | ||
1876 | hci_req_init(&req, hdev); | |
1877 | ||
1878 | memset(&hci_cp, 0, sizeof(hci_cp)); | |
1879 | ||
1880 | if (val) { | |
1881 | hci_cp.le = val; | |
1882 | hci_cp.simul = lmp_le_br_capable(hdev); | |
1883 | } else { | |
1884 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
1885 | disable_advertising(&req); | |
1886 | } | |
1887 | ||
1888 | hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp), | |
1889 | &hci_cp); | |
1890 | ||
1891 | err = hci_req_run(&req, le_enable_complete); | |
1892 | if (err < 0) | |
1893 | mgmt_pending_remove(cmd); | |
1894 | ||
1895 | unlock: | |
1896 | hci_dev_unlock(hdev); | |
1897 | return err; | |
1898 | } | |
1899 | ||
1900 | /* This is a helper function to test for pending mgmt commands that can | |
1901 | * cause CoD or EIR HCI commands. We can only allow one such pending | |
1902 | * mgmt command at a time since otherwise we cannot easily track what | |
1903 | * the current values are, will be, and based on that calculate if a new | |
1904 | * HCI command needs to be sent and if yes with what value. | |
1905 | */ | |
1906 | static bool pending_eir_or_class(struct hci_dev *hdev) | |
1907 | { | |
1908 | struct pending_cmd *cmd; | |
1909 | ||
1910 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
1911 | switch (cmd->opcode) { | |
1912 | case MGMT_OP_ADD_UUID: | |
1913 | case MGMT_OP_REMOVE_UUID: | |
1914 | case MGMT_OP_SET_DEV_CLASS: | |
1915 | case MGMT_OP_SET_POWERED: | |
1916 | return true; | |
1917 | } | |
1918 | } | |
1919 | ||
1920 | return false; | |
1921 | } | |
1922 | ||
1923 | static const u8 bluetooth_base_uuid[] = { | |
1924 | 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, | |
1925 | 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
1926 | }; | |
1927 | ||
1928 | static u8 get_uuid_size(const u8 *uuid) | |
1929 | { | |
1930 | u32 val; | |
1931 | ||
1932 | if (memcmp(uuid, bluetooth_base_uuid, 12)) | |
1933 | return 128; | |
1934 | ||
1935 | val = get_unaligned_le32(&uuid[12]); | |
1936 | if (val > 0xffff) | |
1937 | return 32; | |
1938 | ||
1939 | return 16; | |
1940 | } | |
1941 | ||
1942 | static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status) | |
1943 | { | |
1944 | struct pending_cmd *cmd; | |
1945 | ||
1946 | hci_dev_lock(hdev); | |
1947 | ||
1948 | cmd = mgmt_pending_find(mgmt_op, hdev); | |
1949 | if (!cmd) | |
1950 | goto unlock; | |
1951 | ||
1952 | cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status), | |
1953 | hdev->dev_class, 3); | |
1954 | ||
1955 | mgmt_pending_remove(cmd); | |
1956 | ||
1957 | unlock: | |
1958 | hci_dev_unlock(hdev); | |
1959 | } | |
1960 | ||
1961 | static void add_uuid_complete(struct hci_dev *hdev, u8 status) | |
1962 | { | |
1963 | BT_DBG("status 0x%02x", status); | |
1964 | ||
1965 | mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status); | |
1966 | } | |
1967 | ||
1968 | static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
1969 | { | |
1970 | struct mgmt_cp_add_uuid *cp = data; | |
1971 | struct pending_cmd *cmd; | |
1972 | struct hci_request req; | |
1973 | struct bt_uuid *uuid; | |
1974 | int err; | |
1975 | ||
1976 | BT_DBG("request for %s", hdev->name); | |
1977 | ||
1978 | hci_dev_lock(hdev); | |
1979 | ||
1980 | if (pending_eir_or_class(hdev)) { | |
1981 | err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID, | |
1982 | MGMT_STATUS_BUSY); | |
1983 | goto failed; | |
1984 | } | |
1985 | ||
1986 | uuid = kmalloc(sizeof(*uuid), GFP_KERNEL); | |
1987 | if (!uuid) { | |
1988 | err = -ENOMEM; | |
1989 | goto failed; | |
1990 | } | |
1991 | ||
1992 | memcpy(uuid->uuid, cp->uuid, 16); | |
1993 | uuid->svc_hint = cp->svc_hint; | |
1994 | uuid->size = get_uuid_size(cp->uuid); | |
1995 | ||
1996 | list_add_tail(&uuid->list, &hdev->uuids); | |
1997 | ||
1998 | hci_req_init(&req, hdev); | |
1999 | ||
2000 | update_class(&req); | |
2001 | update_eir(&req); | |
2002 | ||
2003 | err = hci_req_run(&req, add_uuid_complete); | |
2004 | if (err < 0) { | |
2005 | if (err != -ENODATA) | |
2006 | goto failed; | |
2007 | ||
2008 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0, | |
2009 | hdev->dev_class, 3); | |
2010 | goto failed; | |
2011 | } | |
2012 | ||
2013 | cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len); | |
2014 | if (!cmd) { | |
2015 | err = -ENOMEM; | |
2016 | goto failed; | |
2017 | } | |
2018 | ||
2019 | err = 0; | |
2020 | ||
2021 | failed: | |
2022 | hci_dev_unlock(hdev); | |
2023 | return err; | |
2024 | } | |
2025 | ||
2026 | static bool enable_service_cache(struct hci_dev *hdev) | |
2027 | { | |
2028 | if (!hdev_is_powered(hdev)) | |
2029 | return false; | |
2030 | ||
2031 | if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { | |
2032 | queue_delayed_work(hdev->workqueue, &hdev->service_cache, | |
2033 | CACHE_TIMEOUT); | |
2034 | return true; | |
2035 | } | |
2036 | ||
2037 | return false; | |
2038 | } | |
2039 | ||
2040 | static void remove_uuid_complete(struct hci_dev *hdev, u8 status) | |
2041 | { | |
2042 | BT_DBG("status 0x%02x", status); | |
2043 | ||
2044 | mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status); | |
2045 | } | |
2046 | ||
2047 | static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, | |
2048 | u16 len) | |
2049 | { | |
2050 | struct mgmt_cp_remove_uuid *cp = data; | |
2051 | struct pending_cmd *cmd; | |
2052 | struct bt_uuid *match, *tmp; | |
2053 | u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; | |
2054 | struct hci_request req; | |
2055 | int err, found; | |
2056 | ||
2057 | BT_DBG("request for %s", hdev->name); | |
2058 | ||
2059 | hci_dev_lock(hdev); | |
2060 | ||
2061 | if (pending_eir_or_class(hdev)) { | |
2062 | err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, | |
2063 | MGMT_STATUS_BUSY); | |
2064 | goto unlock; | |
2065 | } | |
2066 | ||
2067 | if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) { | |
2068 | err = hci_uuids_clear(hdev); | |
2069 | ||
2070 | if (enable_service_cache(hdev)) { | |
2071 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, | |
2072 | 0, hdev->dev_class, 3); | |
2073 | goto unlock; | |
2074 | } | |
2075 | ||
2076 | goto update_class; | |
2077 | } | |
2078 | ||
2079 | found = 0; | |
2080 | ||
2081 | list_for_each_entry_safe(match, tmp, &hdev->uuids, list) { | |
2082 | if (memcmp(match->uuid, cp->uuid, 16) != 0) | |
2083 | continue; | |
2084 | ||
2085 | list_del(&match->list); | |
2086 | kfree(match); | |
2087 | found++; | |
2088 | } | |
2089 | ||
2090 | if (found == 0) { | |
2091 | err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, | |
2092 | MGMT_STATUS_INVALID_PARAMS); | |
2093 | goto unlock; | |
2094 | } | |
2095 | ||
2096 | update_class: | |
2097 | hci_req_init(&req, hdev); | |
2098 | ||
2099 | update_class(&req); | |
2100 | update_eir(&req); | |
2101 | ||
2102 | err = hci_req_run(&req, remove_uuid_complete); | |
2103 | if (err < 0) { | |
2104 | if (err != -ENODATA) | |
2105 | goto unlock; | |
2106 | ||
2107 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0, | |
2108 | hdev->dev_class, 3); | |
2109 | goto unlock; | |
2110 | } | |
2111 | ||
2112 | cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len); | |
2113 | if (!cmd) { | |
2114 | err = -ENOMEM; | |
2115 | goto unlock; | |
2116 | } | |
2117 | ||
2118 | err = 0; | |
2119 | ||
2120 | unlock: | |
2121 | hci_dev_unlock(hdev); | |
2122 | return err; | |
2123 | } | |
2124 | ||
2125 | static void set_class_complete(struct hci_dev *hdev, u8 status) | |
2126 | { | |
2127 | BT_DBG("status 0x%02x", status); | |
2128 | ||
2129 | mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status); | |
2130 | } | |
2131 | ||
2132 | static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, | |
2133 | u16 len) | |
2134 | { | |
2135 | struct mgmt_cp_set_dev_class *cp = data; | |
2136 | struct pending_cmd *cmd; | |
2137 | struct hci_request req; | |
2138 | int err; | |
2139 | ||
2140 | BT_DBG("request for %s", hdev->name); | |
2141 | ||
2142 | if (!lmp_bredr_capable(hdev)) | |
2143 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, | |
2144 | MGMT_STATUS_NOT_SUPPORTED); | |
2145 | ||
2146 | hci_dev_lock(hdev); | |
2147 | ||
2148 | if (pending_eir_or_class(hdev)) { | |
2149 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, | |
2150 | MGMT_STATUS_BUSY); | |
2151 | goto unlock; | |
2152 | } | |
2153 | ||
2154 | if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) { | |
2155 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, | |
2156 | MGMT_STATUS_INVALID_PARAMS); | |
2157 | goto unlock; | |
2158 | } | |
2159 | ||
2160 | hdev->major_class = cp->major; | |
2161 | hdev->minor_class = cp->minor; | |
2162 | ||
2163 | if (!hdev_is_powered(hdev)) { | |
2164 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, | |
2165 | hdev->dev_class, 3); | |
2166 | goto unlock; | |
2167 | } | |
2168 | ||
2169 | hci_req_init(&req, hdev); | |
2170 | ||
2171 | if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { | |
2172 | hci_dev_unlock(hdev); | |
2173 | cancel_delayed_work_sync(&hdev->service_cache); | |
2174 | hci_dev_lock(hdev); | |
2175 | update_eir(&req); | |
2176 | } | |
2177 | ||
2178 | update_class(&req); | |
2179 | ||
2180 | err = hci_req_run(&req, set_class_complete); | |
2181 | if (err < 0) { | |
2182 | if (err != -ENODATA) | |
2183 | goto unlock; | |
2184 | ||
2185 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, | |
2186 | hdev->dev_class, 3); | |
2187 | goto unlock; | |
2188 | } | |
2189 | ||
2190 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len); | |
2191 | if (!cmd) { | |
2192 | err = -ENOMEM; | |
2193 | goto unlock; | |
2194 | } | |
2195 | ||
2196 | err = 0; | |
2197 | ||
2198 | unlock: | |
2199 | hci_dev_unlock(hdev); | |
2200 | return err; | |
2201 | } | |
2202 | ||
2203 | static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, | |
2204 | u16 len) | |
2205 | { | |
2206 | struct mgmt_cp_load_link_keys *cp = data; | |
2207 | u16 key_count, expected_len; | |
2208 | int i; | |
2209 | ||
2210 | BT_DBG("request for %s", hdev->name); | |
2211 | ||
2212 | if (!lmp_bredr_capable(hdev)) | |
2213 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, | |
2214 | MGMT_STATUS_NOT_SUPPORTED); | |
2215 | ||
2216 | key_count = __le16_to_cpu(cp->key_count); | |
2217 | ||
2218 | expected_len = sizeof(*cp) + key_count * | |
2219 | sizeof(struct mgmt_link_key_info); | |
2220 | if (expected_len != len) { | |
2221 | BT_ERR("load_link_keys: expected %u bytes, got %u bytes", | |
2222 | len, expected_len); | |
2223 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, | |
2224 | MGMT_STATUS_INVALID_PARAMS); | |
2225 | } | |
2226 | ||
2227 | if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01) | |
2228 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, | |
2229 | MGMT_STATUS_INVALID_PARAMS); | |
2230 | ||
2231 | BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys, | |
2232 | key_count); | |
2233 | ||
2234 | for (i = 0; i < key_count; i++) { | |
2235 | struct mgmt_link_key_info *key = &cp->keys[i]; | |
2236 | ||
2237 | if (key->addr.type != BDADDR_BREDR) | |
2238 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, | |
2239 | MGMT_STATUS_INVALID_PARAMS); | |
2240 | } | |
2241 | ||
2242 | hci_dev_lock(hdev); | |
2243 | ||
2244 | hci_link_keys_clear(hdev); | |
2245 | ||
2246 | if (cp->debug_keys) | |
2247 | set_bit(HCI_DEBUG_KEYS, &hdev->dev_flags); | |
2248 | else | |
2249 | clear_bit(HCI_DEBUG_KEYS, &hdev->dev_flags); | |
2250 | ||
2251 | for (i = 0; i < key_count; i++) { | |
2252 | struct mgmt_link_key_info *key = &cp->keys[i]; | |
2253 | ||
2254 | hci_add_link_key(hdev, NULL, 0, &key->addr.bdaddr, key->val, | |
2255 | key->type, key->pin_len); | |
2256 | } | |
2257 | ||
2258 | cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0); | |
2259 | ||
2260 | hci_dev_unlock(hdev); | |
2261 | ||
2262 | return 0; | |
2263 | } | |
2264 | ||
2265 | static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
2266 | u8 addr_type, struct sock *skip_sk) | |
2267 | { | |
2268 | struct mgmt_ev_device_unpaired ev; | |
2269 | ||
2270 | bacpy(&ev.addr.bdaddr, bdaddr); | |
2271 | ev.addr.type = addr_type; | |
2272 | ||
2273 | return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev), | |
2274 | skip_sk); | |
2275 | } | |
2276 | ||
2277 | static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, | |
2278 | u16 len) | |
2279 | { | |
2280 | struct mgmt_cp_unpair_device *cp = data; | |
2281 | struct mgmt_rp_unpair_device rp; | |
2282 | struct hci_cp_disconnect dc; | |
2283 | struct pending_cmd *cmd; | |
2284 | struct hci_conn *conn; | |
2285 | int err; | |
2286 | ||
2287 | memset(&rp, 0, sizeof(rp)); | |
2288 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
2289 | rp.addr.type = cp->addr.type; | |
2290 | ||
2291 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
2292 | return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, | |
2293 | MGMT_STATUS_INVALID_PARAMS, | |
2294 | &rp, sizeof(rp)); | |
2295 | ||
2296 | if (cp->disconnect != 0x00 && cp->disconnect != 0x01) | |
2297 | return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, | |
2298 | MGMT_STATUS_INVALID_PARAMS, | |
2299 | &rp, sizeof(rp)); | |
2300 | ||
2301 | hci_dev_lock(hdev); | |
2302 | ||
2303 | if (!hdev_is_powered(hdev)) { | |
2304 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, | |
2305 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
2306 | goto unlock; | |
2307 | } | |
2308 | ||
2309 | if (cp->addr.type == BDADDR_BREDR) | |
2310 | err = hci_remove_link_key(hdev, &cp->addr.bdaddr); | |
2311 | else | |
2312 | err = hci_remove_ltk(hdev, &cp->addr.bdaddr); | |
2313 | ||
2314 | if (err < 0) { | |
2315 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, | |
2316 | MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp)); | |
2317 | goto unlock; | |
2318 | } | |
2319 | ||
2320 | if (cp->disconnect) { | |
2321 | if (cp->addr.type == BDADDR_BREDR) | |
2322 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
2323 | &cp->addr.bdaddr); | |
2324 | else | |
2325 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, | |
2326 | &cp->addr.bdaddr); | |
2327 | } else { | |
2328 | conn = NULL; | |
2329 | } | |
2330 | ||
2331 | if (!conn) { | |
2332 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0, | |
2333 | &rp, sizeof(rp)); | |
2334 | device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk); | |
2335 | goto unlock; | |
2336 | } | |
2337 | ||
2338 | cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp, | |
2339 | sizeof(*cp)); | |
2340 | if (!cmd) { | |
2341 | err = -ENOMEM; | |
2342 | goto unlock; | |
2343 | } | |
2344 | ||
2345 | dc.handle = cpu_to_le16(conn->handle); | |
2346 | dc.reason = 0x13; /* Remote User Terminated Connection */ | |
2347 | err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); | |
2348 | if (err < 0) | |
2349 | mgmt_pending_remove(cmd); | |
2350 | ||
2351 | unlock: | |
2352 | hci_dev_unlock(hdev); | |
2353 | return err; | |
2354 | } | |
2355 | ||
2356 | static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, | |
2357 | u16 len) | |
2358 | { | |
2359 | struct mgmt_cp_disconnect *cp = data; | |
2360 | struct mgmt_rp_disconnect rp; | |
2361 | struct hci_cp_disconnect dc; | |
2362 | struct pending_cmd *cmd; | |
2363 | struct hci_conn *conn; | |
2364 | int err; | |
2365 | ||
2366 | BT_DBG(""); | |
2367 | ||
2368 | memset(&rp, 0, sizeof(rp)); | |
2369 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
2370 | rp.addr.type = cp->addr.type; | |
2371 | ||
2372 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
2373 | return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, | |
2374 | MGMT_STATUS_INVALID_PARAMS, | |
2375 | &rp, sizeof(rp)); | |
2376 | ||
2377 | hci_dev_lock(hdev); | |
2378 | ||
2379 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
2380 | err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, | |
2381 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
2382 | goto failed; | |
2383 | } | |
2384 | ||
2385 | if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) { | |
2386 | err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, | |
2387 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); | |
2388 | goto failed; | |
2389 | } | |
2390 | ||
2391 | if (cp->addr.type == BDADDR_BREDR) | |
2392 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
2393 | &cp->addr.bdaddr); | |
2394 | else | |
2395 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr); | |
2396 | ||
2397 | if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) { | |
2398 | err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, | |
2399 | MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp)); | |
2400 | goto failed; | |
2401 | } | |
2402 | ||
2403 | cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len); | |
2404 | if (!cmd) { | |
2405 | err = -ENOMEM; | |
2406 | goto failed; | |
2407 | } | |
2408 | ||
2409 | dc.handle = cpu_to_le16(conn->handle); | |
2410 | dc.reason = HCI_ERROR_REMOTE_USER_TERM; | |
2411 | ||
2412 | err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); | |
2413 | if (err < 0) | |
2414 | mgmt_pending_remove(cmd); | |
2415 | ||
2416 | failed: | |
2417 | hci_dev_unlock(hdev); | |
2418 | return err; | |
2419 | } | |
2420 | ||
2421 | static u8 link_to_bdaddr(u8 link_type, u8 addr_type) | |
2422 | { | |
2423 | switch (link_type) { | |
2424 | case LE_LINK: | |
2425 | switch (addr_type) { | |
2426 | case ADDR_LE_DEV_PUBLIC: | |
2427 | return BDADDR_LE_PUBLIC; | |
2428 | ||
2429 | default: | |
2430 | /* Fallback to LE Random address type */ | |
2431 | return BDADDR_LE_RANDOM; | |
2432 | } | |
2433 | ||
2434 | default: | |
2435 | /* Fallback to BR/EDR type */ | |
2436 | return BDADDR_BREDR; | |
2437 | } | |
2438 | } | |
2439 | ||
2440 | static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data, | |
2441 | u16 data_len) | |
2442 | { | |
2443 | struct mgmt_rp_get_connections *rp; | |
2444 | struct hci_conn *c; | |
2445 | size_t rp_len; | |
2446 | int err; | |
2447 | u16 i; | |
2448 | ||
2449 | BT_DBG(""); | |
2450 | ||
2451 | hci_dev_lock(hdev); | |
2452 | ||
2453 | if (!hdev_is_powered(hdev)) { | |
2454 | err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, | |
2455 | MGMT_STATUS_NOT_POWERED); | |
2456 | goto unlock; | |
2457 | } | |
2458 | ||
2459 | i = 0; | |
2460 | list_for_each_entry(c, &hdev->conn_hash.list, list) { | |
2461 | if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) | |
2462 | i++; | |
2463 | } | |
2464 | ||
2465 | rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); | |
2466 | rp = kmalloc(rp_len, GFP_KERNEL); | |
2467 | if (!rp) { | |
2468 | err = -ENOMEM; | |
2469 | goto unlock; | |
2470 | } | |
2471 | ||
2472 | i = 0; | |
2473 | list_for_each_entry(c, &hdev->conn_hash.list, list) { | |
2474 | if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) | |
2475 | continue; | |
2476 | bacpy(&rp->addr[i].bdaddr, &c->dst); | |
2477 | rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type); | |
2478 | if (c->type == SCO_LINK || c->type == ESCO_LINK) | |
2479 | continue; | |
2480 | i++; | |
2481 | } | |
2482 | ||
2483 | rp->conn_count = cpu_to_le16(i); | |
2484 | ||
2485 | /* Recalculate length in case of filtered SCO connections, etc */ | |
2486 | rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); | |
2487 | ||
2488 | err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp, | |
2489 | rp_len); | |
2490 | ||
2491 | kfree(rp); | |
2492 | ||
2493 | unlock: | |
2494 | hci_dev_unlock(hdev); | |
2495 | return err; | |
2496 | } | |
2497 | ||
2498 | static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, | |
2499 | struct mgmt_cp_pin_code_neg_reply *cp) | |
2500 | { | |
2501 | struct pending_cmd *cmd; | |
2502 | int err; | |
2503 | ||
2504 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp, | |
2505 | sizeof(*cp)); | |
2506 | if (!cmd) | |
2507 | return -ENOMEM; | |
2508 | ||
2509 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, | |
2510 | sizeof(cp->addr.bdaddr), &cp->addr.bdaddr); | |
2511 | if (err < 0) | |
2512 | mgmt_pending_remove(cmd); | |
2513 | ||
2514 | return err; | |
2515 | } | |
2516 | ||
2517 | static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data, | |
2518 | u16 len) | |
2519 | { | |
2520 | struct hci_conn *conn; | |
2521 | struct mgmt_cp_pin_code_reply *cp = data; | |
2522 | struct hci_cp_pin_code_reply reply; | |
2523 | struct pending_cmd *cmd; | |
2524 | int err; | |
2525 | ||
2526 | BT_DBG(""); | |
2527 | ||
2528 | hci_dev_lock(hdev); | |
2529 | ||
2530 | if (!hdev_is_powered(hdev)) { | |
2531 | err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, | |
2532 | MGMT_STATUS_NOT_POWERED); | |
2533 | goto failed; | |
2534 | } | |
2535 | ||
2536 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr); | |
2537 | if (!conn) { | |
2538 | err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, | |
2539 | MGMT_STATUS_NOT_CONNECTED); | |
2540 | goto failed; | |
2541 | } | |
2542 | ||
2543 | if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) { | |
2544 | struct mgmt_cp_pin_code_neg_reply ncp; | |
2545 | ||
2546 | memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr)); | |
2547 | ||
2548 | BT_ERR("PIN code is not 16 bytes long"); | |
2549 | ||
2550 | err = send_pin_code_neg_reply(sk, hdev, &ncp); | |
2551 | if (err >= 0) | |
2552 | err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, | |
2553 | MGMT_STATUS_INVALID_PARAMS); | |
2554 | ||
2555 | goto failed; | |
2556 | } | |
2557 | ||
2558 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len); | |
2559 | if (!cmd) { | |
2560 | err = -ENOMEM; | |
2561 | goto failed; | |
2562 | } | |
2563 | ||
2564 | bacpy(&reply.bdaddr, &cp->addr.bdaddr); | |
2565 | reply.pin_len = cp->pin_len; | |
2566 | memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code)); | |
2567 | ||
2568 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply); | |
2569 | if (err < 0) | |
2570 | mgmt_pending_remove(cmd); | |
2571 | ||
2572 | failed: | |
2573 | hci_dev_unlock(hdev); | |
2574 | return err; | |
2575 | } | |
2576 | ||
2577 | static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data, | |
2578 | u16 len) | |
2579 | { | |
2580 | struct mgmt_cp_set_io_capability *cp = data; | |
2581 | ||
2582 | BT_DBG(""); | |
2583 | ||
2584 | hci_dev_lock(hdev); | |
2585 | ||
2586 | hdev->io_capability = cp->io_capability; | |
2587 | ||
2588 | BT_DBG("%s IO capability set to 0x%02x", hdev->name, | |
2589 | hdev->io_capability); | |
2590 | ||
2591 | hci_dev_unlock(hdev); | |
2592 | ||
2593 | return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL, | |
2594 | 0); | |
2595 | } | |
2596 | ||
2597 | static struct pending_cmd *find_pairing(struct hci_conn *conn) | |
2598 | { | |
2599 | struct hci_dev *hdev = conn->hdev; | |
2600 | struct pending_cmd *cmd; | |
2601 | ||
2602 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
2603 | if (cmd->opcode != MGMT_OP_PAIR_DEVICE) | |
2604 | continue; | |
2605 | ||
2606 | if (cmd->user_data != conn) | |
2607 | continue; | |
2608 | ||
2609 | return cmd; | |
2610 | } | |
2611 | ||
2612 | return NULL; | |
2613 | } | |
2614 | ||
2615 | static void pairing_complete(struct pending_cmd *cmd, u8 status) | |
2616 | { | |
2617 | struct mgmt_rp_pair_device rp; | |
2618 | struct hci_conn *conn = cmd->user_data; | |
2619 | ||
2620 | bacpy(&rp.addr.bdaddr, &conn->dst); | |
2621 | rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type); | |
2622 | ||
2623 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status, | |
2624 | &rp, sizeof(rp)); | |
2625 | ||
2626 | /* So we don't get further callbacks for this connection */ | |
2627 | conn->connect_cfm_cb = NULL; | |
2628 | conn->security_cfm_cb = NULL; | |
2629 | conn->disconn_cfm_cb = NULL; | |
2630 | ||
2631 | hci_conn_drop(conn); | |
2632 | ||
2633 | mgmt_pending_remove(cmd); | |
2634 | } | |
2635 | ||
2636 | static void pairing_complete_cb(struct hci_conn *conn, u8 status) | |
2637 | { | |
2638 | struct pending_cmd *cmd; | |
2639 | ||
2640 | BT_DBG("status %u", status); | |
2641 | ||
2642 | cmd = find_pairing(conn); | |
2643 | if (!cmd) | |
2644 | BT_DBG("Unable to find a pending command"); | |
2645 | else | |
2646 | pairing_complete(cmd, mgmt_status(status)); | |
2647 | } | |
2648 | ||
2649 | static void le_connect_complete_cb(struct hci_conn *conn, u8 status) | |
2650 | { | |
2651 | struct pending_cmd *cmd; | |
2652 | ||
2653 | BT_DBG("status %u", status); | |
2654 | ||
2655 | if (!status) | |
2656 | return; | |
2657 | ||
2658 | cmd = find_pairing(conn); | |
2659 | if (!cmd) | |
2660 | BT_DBG("Unable to find a pending command"); | |
2661 | else | |
2662 | pairing_complete(cmd, mgmt_status(status)); | |
2663 | } | |
2664 | ||
2665 | static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data, | |
2666 | u16 len) | |
2667 | { | |
2668 | struct mgmt_cp_pair_device *cp = data; | |
2669 | struct mgmt_rp_pair_device rp; | |
2670 | struct pending_cmd *cmd; | |
2671 | u8 sec_level, auth_type; | |
2672 | struct hci_conn *conn; | |
2673 | int err; | |
2674 | ||
2675 | BT_DBG(""); | |
2676 | ||
2677 | memset(&rp, 0, sizeof(rp)); | |
2678 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
2679 | rp.addr.type = cp->addr.type; | |
2680 | ||
2681 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
2682 | return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
2683 | MGMT_STATUS_INVALID_PARAMS, | |
2684 | &rp, sizeof(rp)); | |
2685 | ||
2686 | hci_dev_lock(hdev); | |
2687 | ||
2688 | if (!hdev_is_powered(hdev)) { | |
2689 | err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
2690 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
2691 | goto unlock; | |
2692 | } | |
2693 | ||
2694 | sec_level = BT_SECURITY_MEDIUM; | |
2695 | if (cp->io_cap == 0x03) | |
2696 | auth_type = HCI_AT_DEDICATED_BONDING; | |
2697 | else | |
2698 | auth_type = HCI_AT_DEDICATED_BONDING_MITM; | |
2699 | ||
2700 | if (cp->addr.type == BDADDR_BREDR) | |
2701 | conn = hci_connect(hdev, ACL_LINK, &cp->addr.bdaddr, | |
2702 | cp->addr.type, sec_level, auth_type); | |
2703 | else | |
2704 | conn = hci_connect(hdev, LE_LINK, &cp->addr.bdaddr, | |
2705 | cp->addr.type, sec_level, auth_type); | |
2706 | ||
2707 | if (IS_ERR(conn)) { | |
2708 | int status; | |
2709 | ||
2710 | if (PTR_ERR(conn) == -EBUSY) | |
2711 | status = MGMT_STATUS_BUSY; | |
2712 | else | |
2713 | status = MGMT_STATUS_CONNECT_FAILED; | |
2714 | ||
2715 | err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
2716 | status, &rp, | |
2717 | sizeof(rp)); | |
2718 | goto unlock; | |
2719 | } | |
2720 | ||
2721 | if (conn->connect_cfm_cb) { | |
2722 | hci_conn_drop(conn); | |
2723 | err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
2724 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); | |
2725 | goto unlock; | |
2726 | } | |
2727 | ||
2728 | cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len); | |
2729 | if (!cmd) { | |
2730 | err = -ENOMEM; | |
2731 | hci_conn_drop(conn); | |
2732 | goto unlock; | |
2733 | } | |
2734 | ||
2735 | /* For LE, just connecting isn't a proof that the pairing finished */ | |
2736 | if (cp->addr.type == BDADDR_BREDR) | |
2737 | conn->connect_cfm_cb = pairing_complete_cb; | |
2738 | else | |
2739 | conn->connect_cfm_cb = le_connect_complete_cb; | |
2740 | ||
2741 | conn->security_cfm_cb = pairing_complete_cb; | |
2742 | conn->disconn_cfm_cb = pairing_complete_cb; | |
2743 | conn->io_capability = cp->io_cap; | |
2744 | cmd->user_data = conn; | |
2745 | ||
2746 | if (conn->state == BT_CONNECTED && | |
2747 | hci_conn_security(conn, sec_level, auth_type)) | |
2748 | pairing_complete(cmd, 0); | |
2749 | ||
2750 | err = 0; | |
2751 | ||
2752 | unlock: | |
2753 | hci_dev_unlock(hdev); | |
2754 | return err; | |
2755 | } | |
2756 | ||
2757 | static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data, | |
2758 | u16 len) | |
2759 | { | |
2760 | struct mgmt_addr_info *addr = data; | |
2761 | struct pending_cmd *cmd; | |
2762 | struct hci_conn *conn; | |
2763 | int err; | |
2764 | ||
2765 | BT_DBG(""); | |
2766 | ||
2767 | hci_dev_lock(hdev); | |
2768 | ||
2769 | if (!hdev_is_powered(hdev)) { | |
2770 | err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, | |
2771 | MGMT_STATUS_NOT_POWERED); | |
2772 | goto unlock; | |
2773 | } | |
2774 | ||
2775 | cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev); | |
2776 | if (!cmd) { | |
2777 | err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, | |
2778 | MGMT_STATUS_INVALID_PARAMS); | |
2779 | goto unlock; | |
2780 | } | |
2781 | ||
2782 | conn = cmd->user_data; | |
2783 | ||
2784 | if (bacmp(&addr->bdaddr, &conn->dst) != 0) { | |
2785 | err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, | |
2786 | MGMT_STATUS_INVALID_PARAMS); | |
2787 | goto unlock; | |
2788 | } | |
2789 | ||
2790 | pairing_complete(cmd, MGMT_STATUS_CANCELLED); | |
2791 | ||
2792 | err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0, | |
2793 | addr, sizeof(*addr)); | |
2794 | unlock: | |
2795 | hci_dev_unlock(hdev); | |
2796 | return err; | |
2797 | } | |
2798 | ||
2799 | static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev, | |
2800 | struct mgmt_addr_info *addr, u16 mgmt_op, | |
2801 | u16 hci_op, __le32 passkey) | |
2802 | { | |
2803 | struct pending_cmd *cmd; | |
2804 | struct hci_conn *conn; | |
2805 | int err; | |
2806 | ||
2807 | hci_dev_lock(hdev); | |
2808 | ||
2809 | if (!hdev_is_powered(hdev)) { | |
2810 | err = cmd_complete(sk, hdev->id, mgmt_op, | |
2811 | MGMT_STATUS_NOT_POWERED, addr, | |
2812 | sizeof(*addr)); | |
2813 | goto done; | |
2814 | } | |
2815 | ||
2816 | if (addr->type == BDADDR_BREDR) | |
2817 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr); | |
2818 | else | |
2819 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr); | |
2820 | ||
2821 | if (!conn) { | |
2822 | err = cmd_complete(sk, hdev->id, mgmt_op, | |
2823 | MGMT_STATUS_NOT_CONNECTED, addr, | |
2824 | sizeof(*addr)); | |
2825 | goto done; | |
2826 | } | |
2827 | ||
2828 | if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) { | |
2829 | /* Continue with pairing via SMP */ | |
2830 | err = smp_user_confirm_reply(conn, mgmt_op, passkey); | |
2831 | ||
2832 | if (!err) | |
2833 | err = cmd_complete(sk, hdev->id, mgmt_op, | |
2834 | MGMT_STATUS_SUCCESS, addr, | |
2835 | sizeof(*addr)); | |
2836 | else | |
2837 | err = cmd_complete(sk, hdev->id, mgmt_op, | |
2838 | MGMT_STATUS_FAILED, addr, | |
2839 | sizeof(*addr)); | |
2840 | ||
2841 | goto done; | |
2842 | } | |
2843 | ||
2844 | cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr)); | |
2845 | if (!cmd) { | |
2846 | err = -ENOMEM; | |
2847 | goto done; | |
2848 | } | |
2849 | ||
2850 | /* Continue with pairing via HCI */ | |
2851 | if (hci_op == HCI_OP_USER_PASSKEY_REPLY) { | |
2852 | struct hci_cp_user_passkey_reply cp; | |
2853 | ||
2854 | bacpy(&cp.bdaddr, &addr->bdaddr); | |
2855 | cp.passkey = passkey; | |
2856 | err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp); | |
2857 | } else | |
2858 | err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr), | |
2859 | &addr->bdaddr); | |
2860 | ||
2861 | if (err < 0) | |
2862 | mgmt_pending_remove(cmd); | |
2863 | ||
2864 | done: | |
2865 | hci_dev_unlock(hdev); | |
2866 | return err; | |
2867 | } | |
2868 | ||
2869 | static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, | |
2870 | void *data, u16 len) | |
2871 | { | |
2872 | struct mgmt_cp_pin_code_neg_reply *cp = data; | |
2873 | ||
2874 | BT_DBG(""); | |
2875 | ||
2876 | return user_pairing_resp(sk, hdev, &cp->addr, | |
2877 | MGMT_OP_PIN_CODE_NEG_REPLY, | |
2878 | HCI_OP_PIN_CODE_NEG_REPLY, 0); | |
2879 | } | |
2880 | ||
2881 | static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data, | |
2882 | u16 len) | |
2883 | { | |
2884 | struct mgmt_cp_user_confirm_reply *cp = data; | |
2885 | ||
2886 | BT_DBG(""); | |
2887 | ||
2888 | if (len != sizeof(*cp)) | |
2889 | return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY, | |
2890 | MGMT_STATUS_INVALID_PARAMS); | |
2891 | ||
2892 | return user_pairing_resp(sk, hdev, &cp->addr, | |
2893 | MGMT_OP_USER_CONFIRM_REPLY, | |
2894 | HCI_OP_USER_CONFIRM_REPLY, 0); | |
2895 | } | |
2896 | ||
2897 | static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev, | |
2898 | void *data, u16 len) | |
2899 | { | |
2900 | struct mgmt_cp_user_confirm_neg_reply *cp = data; | |
2901 | ||
2902 | BT_DBG(""); | |
2903 | ||
2904 | return user_pairing_resp(sk, hdev, &cp->addr, | |
2905 | MGMT_OP_USER_CONFIRM_NEG_REPLY, | |
2906 | HCI_OP_USER_CONFIRM_NEG_REPLY, 0); | |
2907 | } | |
2908 | ||
2909 | static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data, | |
2910 | u16 len) | |
2911 | { | |
2912 | struct mgmt_cp_user_passkey_reply *cp = data; | |
2913 | ||
2914 | BT_DBG(""); | |
2915 | ||
2916 | return user_pairing_resp(sk, hdev, &cp->addr, | |
2917 | MGMT_OP_USER_PASSKEY_REPLY, | |
2918 | HCI_OP_USER_PASSKEY_REPLY, cp->passkey); | |
2919 | } | |
2920 | ||
2921 | static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev, | |
2922 | void *data, u16 len) | |
2923 | { | |
2924 | struct mgmt_cp_user_passkey_neg_reply *cp = data; | |
2925 | ||
2926 | BT_DBG(""); | |
2927 | ||
2928 | return user_pairing_resp(sk, hdev, &cp->addr, | |
2929 | MGMT_OP_USER_PASSKEY_NEG_REPLY, | |
2930 | HCI_OP_USER_PASSKEY_NEG_REPLY, 0); | |
2931 | } | |
2932 | ||
2933 | static void update_name(struct hci_request *req) | |
2934 | { | |
2935 | struct hci_dev *hdev = req->hdev; | |
2936 | struct hci_cp_write_local_name cp; | |
2937 | ||
2938 | memcpy(cp.name, hdev->dev_name, sizeof(cp.name)); | |
2939 | ||
2940 | hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp); | |
2941 | } | |
2942 | ||
2943 | static void set_name_complete(struct hci_dev *hdev, u8 status) | |
2944 | { | |
2945 | struct mgmt_cp_set_local_name *cp; | |
2946 | struct pending_cmd *cmd; | |
2947 | ||
2948 | BT_DBG("status 0x%02x", status); | |
2949 | ||
2950 | hci_dev_lock(hdev); | |
2951 | ||
2952 | cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); | |
2953 | if (!cmd) | |
2954 | goto unlock; | |
2955 | ||
2956 | cp = cmd->param; | |
2957 | ||
2958 | if (status) | |
2959 | cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, | |
2960 | mgmt_status(status)); | |
2961 | else | |
2962 | cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, | |
2963 | cp, sizeof(*cp)); | |
2964 | ||
2965 | mgmt_pending_remove(cmd); | |
2966 | ||
2967 | unlock: | |
2968 | hci_dev_unlock(hdev); | |
2969 | } | |
2970 | ||
2971 | static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, | |
2972 | u16 len) | |
2973 | { | |
2974 | struct mgmt_cp_set_local_name *cp = data; | |
2975 | struct pending_cmd *cmd; | |
2976 | struct hci_request req; | |
2977 | int err; | |
2978 | ||
2979 | BT_DBG(""); | |
2980 | ||
2981 | hci_dev_lock(hdev); | |
2982 | ||
2983 | /* If the old values are the same as the new ones just return a | |
2984 | * direct command complete event. | |
2985 | */ | |
2986 | if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) && | |
2987 | !memcmp(hdev->short_name, cp->short_name, | |
2988 | sizeof(hdev->short_name))) { | |
2989 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, | |
2990 | data, len); | |
2991 | goto failed; | |
2992 | } | |
2993 | ||
2994 | memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name)); | |
2995 | ||
2996 | if (!hdev_is_powered(hdev)) { | |
2997 | memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); | |
2998 | ||
2999 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, | |
3000 | data, len); | |
3001 | if (err < 0) | |
3002 | goto failed; | |
3003 | ||
3004 | err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len, | |
3005 | sk); | |
3006 | ||
3007 | goto failed; | |
3008 | } | |
3009 | ||
3010 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len); | |
3011 | if (!cmd) { | |
3012 | err = -ENOMEM; | |
3013 | goto failed; | |
3014 | } | |
3015 | ||
3016 | memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); | |
3017 | ||
3018 | hci_req_init(&req, hdev); | |
3019 | ||
3020 | if (lmp_bredr_capable(hdev)) { | |
3021 | update_name(&req); | |
3022 | update_eir(&req); | |
3023 | } | |
3024 | ||
3025 | /* The name is stored in the scan response data and so | |
3026 | * no need to udpate the advertising data here. | |
3027 | */ | |
3028 | if (lmp_le_capable(hdev)) | |
3029 | update_scan_rsp_data(&req); | |
3030 | ||
3031 | err = hci_req_run(&req, set_name_complete); | |
3032 | if (err < 0) | |
3033 | mgmt_pending_remove(cmd); | |
3034 | ||
3035 | failed: | |
3036 | hci_dev_unlock(hdev); | |
3037 | return err; | |
3038 | } | |
3039 | ||
3040 | static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev, | |
3041 | void *data, u16 data_len) | |
3042 | { | |
3043 | struct pending_cmd *cmd; | |
3044 | int err; | |
3045 | ||
3046 | BT_DBG("%s", hdev->name); | |
3047 | ||
3048 | hci_dev_lock(hdev); | |
3049 | ||
3050 | if (!hdev_is_powered(hdev)) { | |
3051 | err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, | |
3052 | MGMT_STATUS_NOT_POWERED); | |
3053 | goto unlock; | |
3054 | } | |
3055 | ||
3056 | if (!lmp_ssp_capable(hdev)) { | |
3057 | err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, | |
3058 | MGMT_STATUS_NOT_SUPPORTED); | |
3059 | goto unlock; | |
3060 | } | |
3061 | ||
3062 | if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) { | |
3063 | err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, | |
3064 | MGMT_STATUS_BUSY); | |
3065 | goto unlock; | |
3066 | } | |
3067 | ||
3068 | cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0); | |
3069 | if (!cmd) { | |
3070 | err = -ENOMEM; | |
3071 | goto unlock; | |
3072 | } | |
3073 | ||
3074 | err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL); | |
3075 | if (err < 0) | |
3076 | mgmt_pending_remove(cmd); | |
3077 | ||
3078 | unlock: | |
3079 | hci_dev_unlock(hdev); | |
3080 | return err; | |
3081 | } | |
3082 | ||
3083 | static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev, | |
3084 | void *data, u16 len) | |
3085 | { | |
3086 | struct mgmt_cp_add_remote_oob_data *cp = data; | |
3087 | u8 status; | |
3088 | int err; | |
3089 | ||
3090 | BT_DBG("%s ", hdev->name); | |
3091 | ||
3092 | hci_dev_lock(hdev); | |
3093 | ||
3094 | err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, cp->hash, | |
3095 | cp->randomizer); | |
3096 | if (err < 0) | |
3097 | status = MGMT_STATUS_FAILED; | |
3098 | else | |
3099 | status = MGMT_STATUS_SUCCESS; | |
3100 | ||
3101 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, status, | |
3102 | &cp->addr, sizeof(cp->addr)); | |
3103 | ||
3104 | hci_dev_unlock(hdev); | |
3105 | return err; | |
3106 | } | |
3107 | ||
3108 | static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev, | |
3109 | void *data, u16 len) | |
3110 | { | |
3111 | struct mgmt_cp_remove_remote_oob_data *cp = data; | |
3112 | u8 status; | |
3113 | int err; | |
3114 | ||
3115 | BT_DBG("%s", hdev->name); | |
3116 | ||
3117 | hci_dev_lock(hdev); | |
3118 | ||
3119 | err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr); | |
3120 | if (err < 0) | |
3121 | status = MGMT_STATUS_INVALID_PARAMS; | |
3122 | else | |
3123 | status = MGMT_STATUS_SUCCESS; | |
3124 | ||
3125 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
3126 | status, &cp->addr, sizeof(cp->addr)); | |
3127 | ||
3128 | hci_dev_unlock(hdev); | |
3129 | return err; | |
3130 | } | |
3131 | ||
3132 | static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status) | |
3133 | { | |
3134 | struct pending_cmd *cmd; | |
3135 | u8 type; | |
3136 | int err; | |
3137 | ||
3138 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
3139 | ||
3140 | cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev); | |
3141 | if (!cmd) | |
3142 | return -ENOENT; | |
3143 | ||
3144 | type = hdev->discovery.type; | |
3145 | ||
3146 | err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status), | |
3147 | &type, sizeof(type)); | |
3148 | mgmt_pending_remove(cmd); | |
3149 | ||
3150 | return err; | |
3151 | } | |
3152 | ||
3153 | static void start_discovery_complete(struct hci_dev *hdev, u8 status) | |
3154 | { | |
3155 | BT_DBG("status %d", status); | |
3156 | ||
3157 | if (status) { | |
3158 | hci_dev_lock(hdev); | |
3159 | mgmt_start_discovery_failed(hdev, status); | |
3160 | hci_dev_unlock(hdev); | |
3161 | return; | |
3162 | } | |
3163 | ||
3164 | hci_dev_lock(hdev); | |
3165 | hci_discovery_set_state(hdev, DISCOVERY_FINDING); | |
3166 | hci_dev_unlock(hdev); | |
3167 | ||
3168 | switch (hdev->discovery.type) { | |
3169 | case DISCOV_TYPE_LE: | |
3170 | queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, | |
3171 | DISCOV_LE_TIMEOUT); | |
3172 | break; | |
3173 | ||
3174 | case DISCOV_TYPE_INTERLEAVED: | |
3175 | queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, | |
3176 | DISCOV_INTERLEAVED_TIMEOUT); | |
3177 | break; | |
3178 | ||
3179 | case DISCOV_TYPE_BREDR: | |
3180 | break; | |
3181 | ||
3182 | default: | |
3183 | BT_ERR("Invalid discovery type %d", hdev->discovery.type); | |
3184 | } | |
3185 | } | |
3186 | ||
3187 | static int start_discovery(struct sock *sk, struct hci_dev *hdev, | |
3188 | void *data, u16 len) | |
3189 | { | |
3190 | struct mgmt_cp_start_discovery *cp = data; | |
3191 | struct pending_cmd *cmd; | |
3192 | struct hci_cp_le_set_scan_param param_cp; | |
3193 | struct hci_cp_le_set_scan_enable enable_cp; | |
3194 | struct hci_cp_inquiry inq_cp; | |
3195 | struct hci_request req; | |
3196 | /* General inquiry access code (GIAC) */ | |
3197 | u8 lap[3] = { 0x33, 0x8b, 0x9e }; | |
3198 | u8 status; | |
3199 | int err; | |
3200 | ||
3201 | BT_DBG("%s", hdev->name); | |
3202 | ||
3203 | hci_dev_lock(hdev); | |
3204 | ||
3205 | if (!hdev_is_powered(hdev)) { | |
3206 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3207 | MGMT_STATUS_NOT_POWERED); | |
3208 | goto failed; | |
3209 | } | |
3210 | ||
3211 | if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) { | |
3212 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3213 | MGMT_STATUS_BUSY); | |
3214 | goto failed; | |
3215 | } | |
3216 | ||
3217 | if (hdev->discovery.state != DISCOVERY_STOPPED) { | |
3218 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3219 | MGMT_STATUS_BUSY); | |
3220 | goto failed; | |
3221 | } | |
3222 | ||
3223 | cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0); | |
3224 | if (!cmd) { | |
3225 | err = -ENOMEM; | |
3226 | goto failed; | |
3227 | } | |
3228 | ||
3229 | hdev->discovery.type = cp->type; | |
3230 | ||
3231 | hci_req_init(&req, hdev); | |
3232 | ||
3233 | switch (hdev->discovery.type) { | |
3234 | case DISCOV_TYPE_BREDR: | |
3235 | status = mgmt_bredr_support(hdev); | |
3236 | if (status) { | |
3237 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3238 | status); | |
3239 | mgmt_pending_remove(cmd); | |
3240 | goto failed; | |
3241 | } | |
3242 | ||
3243 | if (test_bit(HCI_INQUIRY, &hdev->flags)) { | |
3244 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3245 | MGMT_STATUS_BUSY); | |
3246 | mgmt_pending_remove(cmd); | |
3247 | goto failed; | |
3248 | } | |
3249 | ||
3250 | hci_inquiry_cache_flush(hdev); | |
3251 | ||
3252 | memset(&inq_cp, 0, sizeof(inq_cp)); | |
3253 | memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap)); | |
3254 | inq_cp.length = DISCOV_BREDR_INQUIRY_LEN; | |
3255 | hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp); | |
3256 | break; | |
3257 | ||
3258 | case DISCOV_TYPE_LE: | |
3259 | case DISCOV_TYPE_INTERLEAVED: | |
3260 | status = mgmt_le_support(hdev); | |
3261 | if (status) { | |
3262 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3263 | status); | |
3264 | mgmt_pending_remove(cmd); | |
3265 | goto failed; | |
3266 | } | |
3267 | ||
3268 | if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED && | |
3269 | !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { | |
3270 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3271 | MGMT_STATUS_NOT_SUPPORTED); | |
3272 | mgmt_pending_remove(cmd); | |
3273 | goto failed; | |
3274 | } | |
3275 | ||
3276 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { | |
3277 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3278 | MGMT_STATUS_REJECTED); | |
3279 | mgmt_pending_remove(cmd); | |
3280 | goto failed; | |
3281 | } | |
3282 | ||
3283 | if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) { | |
3284 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3285 | MGMT_STATUS_BUSY); | |
3286 | mgmt_pending_remove(cmd); | |
3287 | goto failed; | |
3288 | } | |
3289 | ||
3290 | memset(¶m_cp, 0, sizeof(param_cp)); | |
3291 | param_cp.type = LE_SCAN_ACTIVE; | |
3292 | param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT); | |
3293 | param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN); | |
3294 | param_cp.own_address_type = hdev->own_addr_type; | |
3295 | hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp), | |
3296 | ¶m_cp); | |
3297 | ||
3298 | memset(&enable_cp, 0, sizeof(enable_cp)); | |
3299 | enable_cp.enable = LE_SCAN_ENABLE; | |
3300 | enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE; | |
3301 | hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp), | |
3302 | &enable_cp); | |
3303 | break; | |
3304 | ||
3305 | default: | |
3306 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3307 | MGMT_STATUS_INVALID_PARAMS); | |
3308 | mgmt_pending_remove(cmd); | |
3309 | goto failed; | |
3310 | } | |
3311 | ||
3312 | err = hci_req_run(&req, start_discovery_complete); | |
3313 | if (err < 0) | |
3314 | mgmt_pending_remove(cmd); | |
3315 | else | |
3316 | hci_discovery_set_state(hdev, DISCOVERY_STARTING); | |
3317 | ||
3318 | failed: | |
3319 | hci_dev_unlock(hdev); | |
3320 | return err; | |
3321 | } | |
3322 | ||
3323 | static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status) | |
3324 | { | |
3325 | struct pending_cmd *cmd; | |
3326 | int err; | |
3327 | ||
3328 | cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev); | |
3329 | if (!cmd) | |
3330 | return -ENOENT; | |
3331 | ||
3332 | err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status), | |
3333 | &hdev->discovery.type, sizeof(hdev->discovery.type)); | |
3334 | mgmt_pending_remove(cmd); | |
3335 | ||
3336 | return err; | |
3337 | } | |
3338 | ||
3339 | static void stop_discovery_complete(struct hci_dev *hdev, u8 status) | |
3340 | { | |
3341 | BT_DBG("status %d", status); | |
3342 | ||
3343 | hci_dev_lock(hdev); | |
3344 | ||
3345 | if (status) { | |
3346 | mgmt_stop_discovery_failed(hdev, status); | |
3347 | goto unlock; | |
3348 | } | |
3349 | ||
3350 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
3351 | ||
3352 | unlock: | |
3353 | hci_dev_unlock(hdev); | |
3354 | } | |
3355 | ||
3356 | static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data, | |
3357 | u16 len) | |
3358 | { | |
3359 | struct mgmt_cp_stop_discovery *mgmt_cp = data; | |
3360 | struct pending_cmd *cmd; | |
3361 | struct hci_cp_remote_name_req_cancel cp; | |
3362 | struct inquiry_entry *e; | |
3363 | struct hci_request req; | |
3364 | struct hci_cp_le_set_scan_enable enable_cp; | |
3365 | int err; | |
3366 | ||
3367 | BT_DBG("%s", hdev->name); | |
3368 | ||
3369 | hci_dev_lock(hdev); | |
3370 | ||
3371 | if (!hci_discovery_active(hdev)) { | |
3372 | err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, | |
3373 | MGMT_STATUS_REJECTED, &mgmt_cp->type, | |
3374 | sizeof(mgmt_cp->type)); | |
3375 | goto unlock; | |
3376 | } | |
3377 | ||
3378 | if (hdev->discovery.type != mgmt_cp->type) { | |
3379 | err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, | |
3380 | MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type, | |
3381 | sizeof(mgmt_cp->type)); | |
3382 | goto unlock; | |
3383 | } | |
3384 | ||
3385 | cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0); | |
3386 | if (!cmd) { | |
3387 | err = -ENOMEM; | |
3388 | goto unlock; | |
3389 | } | |
3390 | ||
3391 | hci_req_init(&req, hdev); | |
3392 | ||
3393 | switch (hdev->discovery.state) { | |
3394 | case DISCOVERY_FINDING: | |
3395 | if (test_bit(HCI_INQUIRY, &hdev->flags)) { | |
3396 | hci_req_add(&req, HCI_OP_INQUIRY_CANCEL, 0, NULL); | |
3397 | } else { | |
3398 | cancel_delayed_work(&hdev->le_scan_disable); | |
3399 | ||
3400 | memset(&enable_cp, 0, sizeof(enable_cp)); | |
3401 | enable_cp.enable = LE_SCAN_DISABLE; | |
3402 | hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, | |
3403 | sizeof(enable_cp), &enable_cp); | |
3404 | } | |
3405 | ||
3406 | break; | |
3407 | ||
3408 | case DISCOVERY_RESOLVING: | |
3409 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, | |
3410 | NAME_PENDING); | |
3411 | if (!e) { | |
3412 | mgmt_pending_remove(cmd); | |
3413 | err = cmd_complete(sk, hdev->id, | |
3414 | MGMT_OP_STOP_DISCOVERY, 0, | |
3415 | &mgmt_cp->type, | |
3416 | sizeof(mgmt_cp->type)); | |
3417 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
3418 | goto unlock; | |
3419 | } | |
3420 | ||
3421 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
3422 | hci_req_add(&req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp), | |
3423 | &cp); | |
3424 | ||
3425 | break; | |
3426 | ||
3427 | default: | |
3428 | BT_DBG("unknown discovery state %u", hdev->discovery.state); | |
3429 | ||
3430 | mgmt_pending_remove(cmd); | |
3431 | err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, | |
3432 | MGMT_STATUS_FAILED, &mgmt_cp->type, | |
3433 | sizeof(mgmt_cp->type)); | |
3434 | goto unlock; | |
3435 | } | |
3436 | ||
3437 | err = hci_req_run(&req, stop_discovery_complete); | |
3438 | if (err < 0) | |
3439 | mgmt_pending_remove(cmd); | |
3440 | else | |
3441 | hci_discovery_set_state(hdev, DISCOVERY_STOPPING); | |
3442 | ||
3443 | unlock: | |
3444 | hci_dev_unlock(hdev); | |
3445 | return err; | |
3446 | } | |
3447 | ||
3448 | static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data, | |
3449 | u16 len) | |
3450 | { | |
3451 | struct mgmt_cp_confirm_name *cp = data; | |
3452 | struct inquiry_entry *e; | |
3453 | int err; | |
3454 | ||
3455 | BT_DBG("%s", hdev->name); | |
3456 | ||
3457 | hci_dev_lock(hdev); | |
3458 | ||
3459 | if (!hci_discovery_active(hdev)) { | |
3460 | err = cmd_status(sk, hdev->id, MGMT_OP_CONFIRM_NAME, | |
3461 | MGMT_STATUS_FAILED); | |
3462 | goto failed; | |
3463 | } | |
3464 | ||
3465 | e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr); | |
3466 | if (!e) { | |
3467 | err = cmd_status(sk, hdev->id, MGMT_OP_CONFIRM_NAME, | |
3468 | MGMT_STATUS_INVALID_PARAMS); | |
3469 | goto failed; | |
3470 | } | |
3471 | ||
3472 | if (cp->name_known) { | |
3473 | e->name_state = NAME_KNOWN; | |
3474 | list_del(&e->list); | |
3475 | } else { | |
3476 | e->name_state = NAME_NEEDED; | |
3477 | hci_inquiry_cache_update_resolve(hdev, e); | |
3478 | } | |
3479 | ||
3480 | err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr, | |
3481 | sizeof(cp->addr)); | |
3482 | ||
3483 | failed: | |
3484 | hci_dev_unlock(hdev); | |
3485 | return err; | |
3486 | } | |
3487 | ||
3488 | static int block_device(struct sock *sk, struct hci_dev *hdev, void *data, | |
3489 | u16 len) | |
3490 | { | |
3491 | struct mgmt_cp_block_device *cp = data; | |
3492 | u8 status; | |
3493 | int err; | |
3494 | ||
3495 | BT_DBG("%s", hdev->name); | |
3496 | ||
3497 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
3498 | return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, | |
3499 | MGMT_STATUS_INVALID_PARAMS, | |
3500 | &cp->addr, sizeof(cp->addr)); | |
3501 | ||
3502 | hci_dev_lock(hdev); | |
3503 | ||
3504 | err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type); | |
3505 | if (err < 0) | |
3506 | status = MGMT_STATUS_FAILED; | |
3507 | else | |
3508 | status = MGMT_STATUS_SUCCESS; | |
3509 | ||
3510 | err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status, | |
3511 | &cp->addr, sizeof(cp->addr)); | |
3512 | ||
3513 | hci_dev_unlock(hdev); | |
3514 | ||
3515 | return err; | |
3516 | } | |
3517 | ||
3518 | static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data, | |
3519 | u16 len) | |
3520 | { | |
3521 | struct mgmt_cp_unblock_device *cp = data; | |
3522 | u8 status; | |
3523 | int err; | |
3524 | ||
3525 | BT_DBG("%s", hdev->name); | |
3526 | ||
3527 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
3528 | return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, | |
3529 | MGMT_STATUS_INVALID_PARAMS, | |
3530 | &cp->addr, sizeof(cp->addr)); | |
3531 | ||
3532 | hci_dev_lock(hdev); | |
3533 | ||
3534 | err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type); | |
3535 | if (err < 0) | |
3536 | status = MGMT_STATUS_INVALID_PARAMS; | |
3537 | else | |
3538 | status = MGMT_STATUS_SUCCESS; | |
3539 | ||
3540 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status, | |
3541 | &cp->addr, sizeof(cp->addr)); | |
3542 | ||
3543 | hci_dev_unlock(hdev); | |
3544 | ||
3545 | return err; | |
3546 | } | |
3547 | ||
3548 | static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data, | |
3549 | u16 len) | |
3550 | { | |
3551 | struct mgmt_cp_set_device_id *cp = data; | |
3552 | struct hci_request req; | |
3553 | int err; | |
3554 | __u16 source; | |
3555 | ||
3556 | BT_DBG("%s", hdev->name); | |
3557 | ||
3558 | source = __le16_to_cpu(cp->source); | |
3559 | ||
3560 | if (source > 0x0002) | |
3561 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, | |
3562 | MGMT_STATUS_INVALID_PARAMS); | |
3563 | ||
3564 | hci_dev_lock(hdev); | |
3565 | ||
3566 | hdev->devid_source = source; | |
3567 | hdev->devid_vendor = __le16_to_cpu(cp->vendor); | |
3568 | hdev->devid_product = __le16_to_cpu(cp->product); | |
3569 | hdev->devid_version = __le16_to_cpu(cp->version); | |
3570 | ||
3571 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0); | |
3572 | ||
3573 | hci_req_init(&req, hdev); | |
3574 | update_eir(&req); | |
3575 | hci_req_run(&req, NULL); | |
3576 | ||
3577 | hci_dev_unlock(hdev); | |
3578 | ||
3579 | return err; | |
3580 | } | |
3581 | ||
3582 | static void set_advertising_complete(struct hci_dev *hdev, u8 status) | |
3583 | { | |
3584 | struct cmd_lookup match = { NULL, hdev }; | |
3585 | ||
3586 | if (status) { | |
3587 | u8 mgmt_err = mgmt_status(status); | |
3588 | ||
3589 | mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, | |
3590 | cmd_status_rsp, &mgmt_err); | |
3591 | return; | |
3592 | } | |
3593 | ||
3594 | mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp, | |
3595 | &match); | |
3596 | ||
3597 | new_settings(hdev, match.sk); | |
3598 | ||
3599 | if (match.sk) | |
3600 | sock_put(match.sk); | |
3601 | } | |
3602 | ||
3603 | static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data, | |
3604 | u16 len) | |
3605 | { | |
3606 | struct mgmt_mode *cp = data; | |
3607 | struct pending_cmd *cmd; | |
3608 | struct hci_request req; | |
3609 | u8 val, enabled, status; | |
3610 | int err; | |
3611 | ||
3612 | BT_DBG("request for %s", hdev->name); | |
3613 | ||
3614 | status = mgmt_le_support(hdev); | |
3615 | if (status) | |
3616 | return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, | |
3617 | status); | |
3618 | ||
3619 | if (cp->val != 0x00 && cp->val != 0x01) | |
3620 | return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, | |
3621 | MGMT_STATUS_INVALID_PARAMS); | |
3622 | ||
3623 | hci_dev_lock(hdev); | |
3624 | ||
3625 | val = !!cp->val; | |
3626 | enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
3627 | ||
3628 | /* The following conditions are ones which mean that we should | |
3629 | * not do any HCI communication but directly send a mgmt | |
3630 | * response to user space (after toggling the flag if | |
3631 | * necessary). | |
3632 | */ | |
3633 | if (!hdev_is_powered(hdev) || val == enabled || | |
3634 | hci_conn_num(hdev, LE_LINK) > 0) { | |
3635 | bool changed = false; | |
3636 | ||
3637 | if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { | |
3638 | change_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
3639 | changed = true; | |
3640 | } | |
3641 | ||
3642 | err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev); | |
3643 | if (err < 0) | |
3644 | goto unlock; | |
3645 | ||
3646 | if (changed) | |
3647 | err = new_settings(hdev, sk); | |
3648 | ||
3649 | goto unlock; | |
3650 | } | |
3651 | ||
3652 | if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) || | |
3653 | mgmt_pending_find(MGMT_OP_SET_LE, hdev)) { | |
3654 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, | |
3655 | MGMT_STATUS_BUSY); | |
3656 | goto unlock; | |
3657 | } | |
3658 | ||
3659 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len); | |
3660 | if (!cmd) { | |
3661 | err = -ENOMEM; | |
3662 | goto unlock; | |
3663 | } | |
3664 | ||
3665 | hci_req_init(&req, hdev); | |
3666 | ||
3667 | if (val) | |
3668 | enable_advertising(&req); | |
3669 | else | |
3670 | disable_advertising(&req); | |
3671 | ||
3672 | err = hci_req_run(&req, set_advertising_complete); | |
3673 | if (err < 0) | |
3674 | mgmt_pending_remove(cmd); | |
3675 | ||
3676 | unlock: | |
3677 | hci_dev_unlock(hdev); | |
3678 | return err; | |
3679 | } | |
3680 | ||
3681 | static int set_static_address(struct sock *sk, struct hci_dev *hdev, | |
3682 | void *data, u16 len) | |
3683 | { | |
3684 | struct mgmt_cp_set_static_address *cp = data; | |
3685 | int err; | |
3686 | ||
3687 | BT_DBG("%s", hdev->name); | |
3688 | ||
3689 | if (!lmp_le_capable(hdev)) | |
3690 | return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, | |
3691 | MGMT_STATUS_NOT_SUPPORTED); | |
3692 | ||
3693 | if (hdev_is_powered(hdev)) | |
3694 | return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, | |
3695 | MGMT_STATUS_REJECTED); | |
3696 | ||
3697 | if (bacmp(&cp->bdaddr, BDADDR_ANY)) { | |
3698 | if (!bacmp(&cp->bdaddr, BDADDR_NONE)) | |
3699 | return cmd_status(sk, hdev->id, | |
3700 | MGMT_OP_SET_STATIC_ADDRESS, | |
3701 | MGMT_STATUS_INVALID_PARAMS); | |
3702 | ||
3703 | /* Two most significant bits shall be set */ | |
3704 | if ((cp->bdaddr.b[5] & 0xc0) != 0xc0) | |
3705 | return cmd_status(sk, hdev->id, | |
3706 | MGMT_OP_SET_STATIC_ADDRESS, | |
3707 | MGMT_STATUS_INVALID_PARAMS); | |
3708 | } | |
3709 | ||
3710 | hci_dev_lock(hdev); | |
3711 | ||
3712 | bacpy(&hdev->static_addr, &cp->bdaddr); | |
3713 | ||
3714 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0); | |
3715 | ||
3716 | hci_dev_unlock(hdev); | |
3717 | ||
3718 | return err; | |
3719 | } | |
3720 | ||
3721 | static int set_scan_params(struct sock *sk, struct hci_dev *hdev, | |
3722 | void *data, u16 len) | |
3723 | { | |
3724 | struct mgmt_cp_set_scan_params *cp = data; | |
3725 | __u16 interval, window; | |
3726 | int err; | |
3727 | ||
3728 | BT_DBG("%s", hdev->name); | |
3729 | ||
3730 | if (!lmp_le_capable(hdev)) | |
3731 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
3732 | MGMT_STATUS_NOT_SUPPORTED); | |
3733 | ||
3734 | interval = __le16_to_cpu(cp->interval); | |
3735 | ||
3736 | if (interval < 0x0004 || interval > 0x4000) | |
3737 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
3738 | MGMT_STATUS_INVALID_PARAMS); | |
3739 | ||
3740 | window = __le16_to_cpu(cp->window); | |
3741 | ||
3742 | if (window < 0x0004 || window > 0x4000) | |
3743 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
3744 | MGMT_STATUS_INVALID_PARAMS); | |
3745 | ||
3746 | if (window > interval) | |
3747 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
3748 | MGMT_STATUS_INVALID_PARAMS); | |
3749 | ||
3750 | hci_dev_lock(hdev); | |
3751 | ||
3752 | hdev->le_scan_interval = interval; | |
3753 | hdev->le_scan_window = window; | |
3754 | ||
3755 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0); | |
3756 | ||
3757 | hci_dev_unlock(hdev); | |
3758 | ||
3759 | return err; | |
3760 | } | |
3761 | ||
3762 | static void fast_connectable_complete(struct hci_dev *hdev, u8 status) | |
3763 | { | |
3764 | struct pending_cmd *cmd; | |
3765 | ||
3766 | BT_DBG("status 0x%02x", status); | |
3767 | ||
3768 | hci_dev_lock(hdev); | |
3769 | ||
3770 | cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev); | |
3771 | if (!cmd) | |
3772 | goto unlock; | |
3773 | ||
3774 | if (status) { | |
3775 | cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
3776 | mgmt_status(status)); | |
3777 | } else { | |
3778 | struct mgmt_mode *cp = cmd->param; | |
3779 | ||
3780 | if (cp->val) | |
3781 | set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); | |
3782 | else | |
3783 | clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); | |
3784 | ||
3785 | send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev); | |
3786 | new_settings(hdev, cmd->sk); | |
3787 | } | |
3788 | ||
3789 | mgmt_pending_remove(cmd); | |
3790 | ||
3791 | unlock: | |
3792 | hci_dev_unlock(hdev); | |
3793 | } | |
3794 | ||
3795 | static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, | |
3796 | void *data, u16 len) | |
3797 | { | |
3798 | struct mgmt_mode *cp = data; | |
3799 | struct pending_cmd *cmd; | |
3800 | struct hci_request req; | |
3801 | int err; | |
3802 | ||
3803 | BT_DBG("%s", hdev->name); | |
3804 | ||
3805 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) || | |
3806 | hdev->hci_ver < BLUETOOTH_VER_1_2) | |
3807 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
3808 | MGMT_STATUS_NOT_SUPPORTED); | |
3809 | ||
3810 | if (cp->val != 0x00 && cp->val != 0x01) | |
3811 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
3812 | MGMT_STATUS_INVALID_PARAMS); | |
3813 | ||
3814 | if (!hdev_is_powered(hdev)) | |
3815 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
3816 | MGMT_STATUS_NOT_POWERED); | |
3817 | ||
3818 | if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
3819 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
3820 | MGMT_STATUS_REJECTED); | |
3821 | ||
3822 | hci_dev_lock(hdev); | |
3823 | ||
3824 | if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) { | |
3825 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
3826 | MGMT_STATUS_BUSY); | |
3827 | goto unlock; | |
3828 | } | |
3829 | ||
3830 | if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) { | |
3831 | err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, | |
3832 | hdev); | |
3833 | goto unlock; | |
3834 | } | |
3835 | ||
3836 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev, | |
3837 | data, len); | |
3838 | if (!cmd) { | |
3839 | err = -ENOMEM; | |
3840 | goto unlock; | |
3841 | } | |
3842 | ||
3843 | hci_req_init(&req, hdev); | |
3844 | ||
3845 | write_fast_connectable(&req, cp->val); | |
3846 | ||
3847 | err = hci_req_run(&req, fast_connectable_complete); | |
3848 | if (err < 0) { | |
3849 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
3850 | MGMT_STATUS_FAILED); | |
3851 | mgmt_pending_remove(cmd); | |
3852 | } | |
3853 | ||
3854 | unlock: | |
3855 | hci_dev_unlock(hdev); | |
3856 | ||
3857 | return err; | |
3858 | } | |
3859 | ||
3860 | static void set_bredr_scan(struct hci_request *req) | |
3861 | { | |
3862 | struct hci_dev *hdev = req->hdev; | |
3863 | u8 scan = 0; | |
3864 | ||
3865 | /* Ensure that fast connectable is disabled. This function will | |
3866 | * not do anything if the page scan parameters are already what | |
3867 | * they should be. | |
3868 | */ | |
3869 | write_fast_connectable(req, false); | |
3870 | ||
3871 | if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
3872 | scan |= SCAN_PAGE; | |
3873 | if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) | |
3874 | scan |= SCAN_INQUIRY; | |
3875 | ||
3876 | if (scan) | |
3877 | hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
3878 | } | |
3879 | ||
3880 | static void set_bredr_complete(struct hci_dev *hdev, u8 status) | |
3881 | { | |
3882 | struct pending_cmd *cmd; | |
3883 | ||
3884 | BT_DBG("status 0x%02x", status); | |
3885 | ||
3886 | hci_dev_lock(hdev); | |
3887 | ||
3888 | cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev); | |
3889 | if (!cmd) | |
3890 | goto unlock; | |
3891 | ||
3892 | if (status) { | |
3893 | u8 mgmt_err = mgmt_status(status); | |
3894 | ||
3895 | /* We need to restore the flag if related HCI commands | |
3896 | * failed. | |
3897 | */ | |
3898 | clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); | |
3899 | ||
3900 | cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); | |
3901 | } else { | |
3902 | send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev); | |
3903 | new_settings(hdev, cmd->sk); | |
3904 | } | |
3905 | ||
3906 | mgmt_pending_remove(cmd); | |
3907 | ||
3908 | unlock: | |
3909 | hci_dev_unlock(hdev); | |
3910 | } | |
3911 | ||
3912 | static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
3913 | { | |
3914 | struct mgmt_mode *cp = data; | |
3915 | struct pending_cmd *cmd; | |
3916 | struct hci_request req; | |
3917 | int err; | |
3918 | ||
3919 | BT_DBG("request for %s", hdev->name); | |
3920 | ||
3921 | if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev)) | |
3922 | return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
3923 | MGMT_STATUS_NOT_SUPPORTED); | |
3924 | ||
3925 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
3926 | return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
3927 | MGMT_STATUS_REJECTED); | |
3928 | ||
3929 | if (cp->val != 0x00 && cp->val != 0x01) | |
3930 | return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
3931 | MGMT_STATUS_INVALID_PARAMS); | |
3932 | ||
3933 | hci_dev_lock(hdev); | |
3934 | ||
3935 | if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { | |
3936 | err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); | |
3937 | goto unlock; | |
3938 | } | |
3939 | ||
3940 | if (!hdev_is_powered(hdev)) { | |
3941 | if (!cp->val) { | |
3942 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
3943 | clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); | |
3944 | clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags); | |
3945 | clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); | |
3946 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
3947 | } | |
3948 | ||
3949 | change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); | |
3950 | ||
3951 | err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); | |
3952 | if (err < 0) | |
3953 | goto unlock; | |
3954 | ||
3955 | err = new_settings(hdev, sk); | |
3956 | goto unlock; | |
3957 | } | |
3958 | ||
3959 | /* Reject disabling when powered on */ | |
3960 | if (!cp->val) { | |
3961 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
3962 | MGMT_STATUS_REJECTED); | |
3963 | goto unlock; | |
3964 | } | |
3965 | ||
3966 | if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) { | |
3967 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
3968 | MGMT_STATUS_BUSY); | |
3969 | goto unlock; | |
3970 | } | |
3971 | ||
3972 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len); | |
3973 | if (!cmd) { | |
3974 | err = -ENOMEM; | |
3975 | goto unlock; | |
3976 | } | |
3977 | ||
3978 | /* We need to flip the bit already here so that update_adv_data | |
3979 | * generates the correct flags. | |
3980 | */ | |
3981 | set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); | |
3982 | ||
3983 | hci_req_init(&req, hdev); | |
3984 | ||
3985 | if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
3986 | set_bredr_scan(&req); | |
3987 | ||
3988 | /* Since only the advertising data flags will change, there | |
3989 | * is no need to update the scan response data. | |
3990 | */ | |
3991 | update_adv_data(&req); | |
3992 | ||
3993 | err = hci_req_run(&req, set_bredr_complete); | |
3994 | if (err < 0) | |
3995 | mgmt_pending_remove(cmd); | |
3996 | ||
3997 | unlock: | |
3998 | hci_dev_unlock(hdev); | |
3999 | return err; | |
4000 | } | |
4001 | ||
4002 | static bool ltk_is_valid(struct mgmt_ltk_info *key) | |
4003 | { | |
4004 | if (key->authenticated != 0x00 && key->authenticated != 0x01) | |
4005 | return false; | |
4006 | if (key->master != 0x00 && key->master != 0x01) | |
4007 | return false; | |
4008 | if (!bdaddr_type_is_le(key->addr.type)) | |
4009 | return false; | |
4010 | return true; | |
4011 | } | |
4012 | ||
4013 | static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, | |
4014 | void *cp_data, u16 len) | |
4015 | { | |
4016 | struct mgmt_cp_load_long_term_keys *cp = cp_data; | |
4017 | u16 key_count, expected_len; | |
4018 | int i, err; | |
4019 | ||
4020 | BT_DBG("request for %s", hdev->name); | |
4021 | ||
4022 | if (!lmp_le_capable(hdev)) | |
4023 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, | |
4024 | MGMT_STATUS_NOT_SUPPORTED); | |
4025 | ||
4026 | key_count = __le16_to_cpu(cp->key_count); | |
4027 | ||
4028 | expected_len = sizeof(*cp) + key_count * | |
4029 | sizeof(struct mgmt_ltk_info); | |
4030 | if (expected_len != len) { | |
4031 | BT_ERR("load_keys: expected %u bytes, got %u bytes", | |
4032 | len, expected_len); | |
4033 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, | |
4034 | MGMT_STATUS_INVALID_PARAMS); | |
4035 | } | |
4036 | ||
4037 | BT_DBG("%s key_count %u", hdev->name, key_count); | |
4038 | ||
4039 | for (i = 0; i < key_count; i++) { | |
4040 | struct mgmt_ltk_info *key = &cp->keys[i]; | |
4041 | ||
4042 | if (!ltk_is_valid(key)) | |
4043 | return cmd_status(sk, hdev->id, | |
4044 | MGMT_OP_LOAD_LONG_TERM_KEYS, | |
4045 | MGMT_STATUS_INVALID_PARAMS); | |
4046 | } | |
4047 | ||
4048 | hci_dev_lock(hdev); | |
4049 | ||
4050 | hci_smp_ltks_clear(hdev); | |
4051 | ||
4052 | for (i = 0; i < key_count; i++) { | |
4053 | struct mgmt_ltk_info *key = &cp->keys[i]; | |
4054 | u8 type, addr_type; | |
4055 | ||
4056 | if (key->addr.type == BDADDR_LE_PUBLIC) | |
4057 | addr_type = ADDR_LE_DEV_PUBLIC; | |
4058 | else | |
4059 | addr_type = ADDR_LE_DEV_RANDOM; | |
4060 | ||
4061 | if (key->master) | |
4062 | type = HCI_SMP_LTK; | |
4063 | else | |
4064 | type = HCI_SMP_LTK_SLAVE; | |
4065 | ||
4066 | hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, | |
4067 | type, 0, key->authenticated, key->val, | |
4068 | key->enc_size, key->ediv, key->rand); | |
4069 | } | |
4070 | ||
4071 | err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0, | |
4072 | NULL, 0); | |
4073 | ||
4074 | hci_dev_unlock(hdev); | |
4075 | ||
4076 | return err; | |
4077 | } | |
4078 | ||
4079 | static const struct mgmt_handler { | |
4080 | int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, | |
4081 | u16 data_len); | |
4082 | bool var_len; | |
4083 | size_t data_len; | |
4084 | } mgmt_handlers[] = { | |
4085 | { NULL }, /* 0x0000 (no command) */ | |
4086 | { read_version, false, MGMT_READ_VERSION_SIZE }, | |
4087 | { read_commands, false, MGMT_READ_COMMANDS_SIZE }, | |
4088 | { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE }, | |
4089 | { read_controller_info, false, MGMT_READ_INFO_SIZE }, | |
4090 | { set_powered, false, MGMT_SETTING_SIZE }, | |
4091 | { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE }, | |
4092 | { set_connectable, false, MGMT_SETTING_SIZE }, | |
4093 | { set_fast_connectable, false, MGMT_SETTING_SIZE }, | |
4094 | { set_pairable, false, MGMT_SETTING_SIZE }, | |
4095 | { set_link_security, false, MGMT_SETTING_SIZE }, | |
4096 | { set_ssp, false, MGMT_SETTING_SIZE }, | |
4097 | { set_hs, false, MGMT_SETTING_SIZE }, | |
4098 | { set_le, false, MGMT_SETTING_SIZE }, | |
4099 | { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE }, | |
4100 | { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE }, | |
4101 | { add_uuid, false, MGMT_ADD_UUID_SIZE }, | |
4102 | { remove_uuid, false, MGMT_REMOVE_UUID_SIZE }, | |
4103 | { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE }, | |
4104 | { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE }, | |
4105 | { disconnect, false, MGMT_DISCONNECT_SIZE }, | |
4106 | { get_connections, false, MGMT_GET_CONNECTIONS_SIZE }, | |
4107 | { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE }, | |
4108 | { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE }, | |
4109 | { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE }, | |
4110 | { pair_device, false, MGMT_PAIR_DEVICE_SIZE }, | |
4111 | { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE }, | |
4112 | { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE }, | |
4113 | { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE }, | |
4114 | { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE }, | |
4115 | { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE }, | |
4116 | { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE }, | |
4117 | { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE }, | |
4118 | { add_remote_oob_data, false, MGMT_ADD_REMOTE_OOB_DATA_SIZE }, | |
4119 | { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE }, | |
4120 | { start_discovery, false, MGMT_START_DISCOVERY_SIZE }, | |
4121 | { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE }, | |
4122 | { confirm_name, false, MGMT_CONFIRM_NAME_SIZE }, | |
4123 | { block_device, false, MGMT_BLOCK_DEVICE_SIZE }, | |
4124 | { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE }, | |
4125 | { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE }, | |
4126 | { set_advertising, false, MGMT_SETTING_SIZE }, | |
4127 | { set_bredr, false, MGMT_SETTING_SIZE }, | |
4128 | { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE }, | |
4129 | { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE }, | |
4130 | }; | |
4131 | ||
4132 | ||
4133 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) | |
4134 | { | |
4135 | void *buf; | |
4136 | u8 *cp; | |
4137 | struct mgmt_hdr *hdr; | |
4138 | u16 opcode, index, len; | |
4139 | struct hci_dev *hdev = NULL; | |
4140 | const struct mgmt_handler *handler; | |
4141 | int err; | |
4142 | ||
4143 | BT_DBG("got %zu bytes", msglen); | |
4144 | ||
4145 | if (msglen < sizeof(*hdr)) | |
4146 | return -EINVAL; | |
4147 | ||
4148 | buf = kmalloc(msglen, GFP_KERNEL); | |
4149 | if (!buf) | |
4150 | return -ENOMEM; | |
4151 | ||
4152 | if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) { | |
4153 | err = -EFAULT; | |
4154 | goto done; | |
4155 | } | |
4156 | ||
4157 | hdr = buf; | |
4158 | opcode = __le16_to_cpu(hdr->opcode); | |
4159 | index = __le16_to_cpu(hdr->index); | |
4160 | len = __le16_to_cpu(hdr->len); | |
4161 | ||
4162 | if (len != msglen - sizeof(*hdr)) { | |
4163 | err = -EINVAL; | |
4164 | goto done; | |
4165 | } | |
4166 | ||
4167 | if (index != MGMT_INDEX_NONE) { | |
4168 | hdev = hci_dev_get(index); | |
4169 | if (!hdev) { | |
4170 | err = cmd_status(sk, index, opcode, | |
4171 | MGMT_STATUS_INVALID_INDEX); | |
4172 | goto done; | |
4173 | } | |
4174 | ||
4175 | if (test_bit(HCI_SETUP, &hdev->dev_flags) || | |
4176 | test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) { | |
4177 | err = cmd_status(sk, index, opcode, | |
4178 | MGMT_STATUS_INVALID_INDEX); | |
4179 | goto done; | |
4180 | } | |
4181 | } | |
4182 | ||
4183 | if (opcode >= ARRAY_SIZE(mgmt_handlers) || | |
4184 | mgmt_handlers[opcode].func == NULL) { | |
4185 | BT_DBG("Unknown op %u", opcode); | |
4186 | err = cmd_status(sk, index, opcode, | |
4187 | MGMT_STATUS_UNKNOWN_COMMAND); | |
4188 | goto done; | |
4189 | } | |
4190 | ||
4191 | if ((hdev && opcode < MGMT_OP_READ_INFO) || | |
4192 | (!hdev && opcode >= MGMT_OP_READ_INFO)) { | |
4193 | err = cmd_status(sk, index, opcode, | |
4194 | MGMT_STATUS_INVALID_INDEX); | |
4195 | goto done; | |
4196 | } | |
4197 | ||
4198 | handler = &mgmt_handlers[opcode]; | |
4199 | ||
4200 | if ((handler->var_len && len < handler->data_len) || | |
4201 | (!handler->var_len && len != handler->data_len)) { | |
4202 | err = cmd_status(sk, index, opcode, | |
4203 | MGMT_STATUS_INVALID_PARAMS); | |
4204 | goto done; | |
4205 | } | |
4206 | ||
4207 | if (hdev) | |
4208 | mgmt_init_hdev(sk, hdev); | |
4209 | ||
4210 | cp = buf + sizeof(*hdr); | |
4211 | ||
4212 | err = handler->func(sk, hdev, cp, len); | |
4213 | if (err < 0) | |
4214 | goto done; | |
4215 | ||
4216 | err = msglen; | |
4217 | ||
4218 | done: | |
4219 | if (hdev) | |
4220 | hci_dev_put(hdev); | |
4221 | ||
4222 | kfree(buf); | |
4223 | return err; | |
4224 | } | |
4225 | ||
4226 | void mgmt_index_added(struct hci_dev *hdev) | |
4227 | { | |
4228 | if (hdev->dev_type != HCI_BREDR) | |
4229 | return; | |
4230 | ||
4231 | mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL); | |
4232 | } | |
4233 | ||
4234 | void mgmt_index_removed(struct hci_dev *hdev) | |
4235 | { | |
4236 | u8 status = MGMT_STATUS_INVALID_INDEX; | |
4237 | ||
4238 | if (hdev->dev_type != HCI_BREDR) | |
4239 | return; | |
4240 | ||
4241 | mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status); | |
4242 | ||
4243 | mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL); | |
4244 | } | |
4245 | ||
4246 | static void powered_complete(struct hci_dev *hdev, u8 status) | |
4247 | { | |
4248 | struct cmd_lookup match = { NULL, hdev }; | |
4249 | ||
4250 | BT_DBG("status 0x%02x", status); | |
4251 | ||
4252 | hci_dev_lock(hdev); | |
4253 | ||
4254 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); | |
4255 | ||
4256 | new_settings(hdev, match.sk); | |
4257 | ||
4258 | hci_dev_unlock(hdev); | |
4259 | ||
4260 | if (match.sk) | |
4261 | sock_put(match.sk); | |
4262 | } | |
4263 | ||
4264 | static int powered_update_hci(struct hci_dev *hdev) | |
4265 | { | |
4266 | struct hci_request req; | |
4267 | u8 link_sec; | |
4268 | ||
4269 | hci_req_init(&req, hdev); | |
4270 | ||
4271 | if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && | |
4272 | !lmp_host_ssp_capable(hdev)) { | |
4273 | u8 ssp = 1; | |
4274 | ||
4275 | hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp); | |
4276 | } | |
4277 | ||
4278 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) && | |
4279 | lmp_bredr_capable(hdev)) { | |
4280 | struct hci_cp_write_le_host_supported cp; | |
4281 | ||
4282 | cp.le = 1; | |
4283 | cp.simul = lmp_le_br_capable(hdev); | |
4284 | ||
4285 | /* Check first if we already have the right | |
4286 | * host state (host features set) | |
4287 | */ | |
4288 | if (cp.le != lmp_host_le_capable(hdev) || | |
4289 | cp.simul != lmp_host_le_br_capable(hdev)) | |
4290 | hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, | |
4291 | sizeof(cp), &cp); | |
4292 | } | |
4293 | ||
4294 | if (lmp_le_capable(hdev)) { | |
4295 | /* Set random address to static address if configured */ | |
4296 | if (bacmp(&hdev->static_addr, BDADDR_ANY)) | |
4297 | hci_req_add(&req, HCI_OP_LE_SET_RANDOM_ADDR, 6, | |
4298 | &hdev->static_addr); | |
4299 | ||
4300 | /* Make sure the controller has a good default for | |
4301 | * advertising data. This also applies to the case | |
4302 | * where BR/EDR was toggled during the AUTO_OFF phase. | |
4303 | */ | |
4304 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { | |
4305 | update_adv_data(&req); | |
4306 | update_scan_rsp_data(&req); | |
4307 | } | |
4308 | ||
4309 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
4310 | enable_advertising(&req); | |
4311 | } | |
4312 | ||
4313 | link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags); | |
4314 | if (link_sec != test_bit(HCI_AUTH, &hdev->flags)) | |
4315 | hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE, | |
4316 | sizeof(link_sec), &link_sec); | |
4317 | ||
4318 | if (lmp_bredr_capable(hdev)) { | |
4319 | if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
4320 | set_bredr_scan(&req); | |
4321 | update_class(&req); | |
4322 | update_name(&req); | |
4323 | update_eir(&req); | |
4324 | } | |
4325 | ||
4326 | return hci_req_run(&req, powered_complete); | |
4327 | } | |
4328 | ||
4329 | int mgmt_powered(struct hci_dev *hdev, u8 powered) | |
4330 | { | |
4331 | struct cmd_lookup match = { NULL, hdev }; | |
4332 | u8 status_not_powered = MGMT_STATUS_NOT_POWERED; | |
4333 | u8 zero_cod[] = { 0, 0, 0 }; | |
4334 | int err; | |
4335 | ||
4336 | if (!test_bit(HCI_MGMT, &hdev->dev_flags)) | |
4337 | return 0; | |
4338 | ||
4339 | if (powered) { | |
4340 | if (powered_update_hci(hdev) == 0) | |
4341 | return 0; | |
4342 | ||
4343 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, | |
4344 | &match); | |
4345 | goto new_settings; | |
4346 | } | |
4347 | ||
4348 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); | |
4349 | mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered); | |
4350 | ||
4351 | if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) | |
4352 | mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, | |
4353 | zero_cod, sizeof(zero_cod), NULL); | |
4354 | ||
4355 | new_settings: | |
4356 | err = new_settings(hdev, match.sk); | |
4357 | ||
4358 | if (match.sk) | |
4359 | sock_put(match.sk); | |
4360 | ||
4361 | return err; | |
4362 | } | |
4363 | ||
4364 | void mgmt_set_powered_failed(struct hci_dev *hdev, int err) | |
4365 | { | |
4366 | struct pending_cmd *cmd; | |
4367 | u8 status; | |
4368 | ||
4369 | cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev); | |
4370 | if (!cmd) | |
4371 | return; | |
4372 | ||
4373 | if (err == -ERFKILL) | |
4374 | status = MGMT_STATUS_RFKILLED; | |
4375 | else | |
4376 | status = MGMT_STATUS_FAILED; | |
4377 | ||
4378 | cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status); | |
4379 | ||
4380 | mgmt_pending_remove(cmd); | |
4381 | } | |
4382 | ||
4383 | void mgmt_discoverable_timeout(struct hci_dev *hdev) | |
4384 | { | |
4385 | struct hci_request req; | |
4386 | ||
4387 | hci_dev_lock(hdev); | |
4388 | ||
4389 | /* When discoverable timeout triggers, then just make sure | |
4390 | * the limited discoverable flag is cleared. Even in the case | |
4391 | * of a timeout triggered from general discoverable, it is | |
4392 | * safe to unconditionally clear the flag. | |
4393 | */ | |
4394 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
4395 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
4396 | ||
4397 | hci_req_init(&req, hdev); | |
4398 | if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { | |
4399 | u8 scan = SCAN_PAGE; | |
4400 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, | |
4401 | sizeof(scan), &scan); | |
4402 | } | |
4403 | update_class(&req); | |
4404 | update_adv_data(&req); | |
4405 | hci_req_run(&req, NULL); | |
4406 | ||
4407 | hdev->discov_timeout = 0; | |
4408 | ||
4409 | new_settings(hdev, NULL); | |
4410 | ||
4411 | hci_dev_unlock(hdev); | |
4412 | } | |
4413 | ||
4414 | void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable) | |
4415 | { | |
4416 | bool changed; | |
4417 | ||
4418 | /* Nothing needed here if there's a pending command since that | |
4419 | * commands request completion callback takes care of everything | |
4420 | * necessary. | |
4421 | */ | |
4422 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev)) | |
4423 | return; | |
4424 | ||
4425 | if (discoverable) { | |
4426 | changed = !test_and_set_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
4427 | } else { | |
4428 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
4429 | changed = test_and_clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
4430 | } | |
4431 | ||
4432 | if (changed) { | |
4433 | struct hci_request req; | |
4434 | ||
4435 | /* In case this change in discoverable was triggered by | |
4436 | * a disabling of connectable there could be a need to | |
4437 | * update the advertising flags. | |
4438 | */ | |
4439 | hci_req_init(&req, hdev); | |
4440 | update_adv_data(&req); | |
4441 | hci_req_run(&req, NULL); | |
4442 | ||
4443 | new_settings(hdev, NULL); | |
4444 | } | |
4445 | } | |
4446 | ||
4447 | void mgmt_connectable(struct hci_dev *hdev, u8 connectable) | |
4448 | { | |
4449 | bool changed; | |
4450 | ||
4451 | /* Nothing needed here if there's a pending command since that | |
4452 | * commands request completion callback takes care of everything | |
4453 | * necessary. | |
4454 | */ | |
4455 | if (mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) | |
4456 | return; | |
4457 | ||
4458 | if (connectable) | |
4459 | changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
4460 | else | |
4461 | changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
4462 | ||
4463 | if (changed) | |
4464 | new_settings(hdev, NULL); | |
4465 | } | |
4466 | ||
4467 | void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status) | |
4468 | { | |
4469 | u8 mgmt_err = mgmt_status(status); | |
4470 | ||
4471 | if (scan & SCAN_PAGE) | |
4472 | mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev, | |
4473 | cmd_status_rsp, &mgmt_err); | |
4474 | ||
4475 | if (scan & SCAN_INQUIRY) | |
4476 | mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev, | |
4477 | cmd_status_rsp, &mgmt_err); | |
4478 | } | |
4479 | ||
4480 | void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, | |
4481 | bool persistent) | |
4482 | { | |
4483 | struct mgmt_ev_new_link_key ev; | |
4484 | ||
4485 | memset(&ev, 0, sizeof(ev)); | |
4486 | ||
4487 | ev.store_hint = persistent; | |
4488 | bacpy(&ev.key.addr.bdaddr, &key->bdaddr); | |
4489 | ev.key.addr.type = BDADDR_BREDR; | |
4490 | ev.key.type = key->type; | |
4491 | memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE); | |
4492 | ev.key.pin_len = key->pin_len; | |
4493 | ||
4494 | mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL); | |
4495 | } | |
4496 | ||
4497 | void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent) | |
4498 | { | |
4499 | struct mgmt_ev_new_long_term_key ev; | |
4500 | ||
4501 | memset(&ev, 0, sizeof(ev)); | |
4502 | ||
4503 | ev.store_hint = persistent; | |
4504 | bacpy(&ev.key.addr.bdaddr, &key->bdaddr); | |
4505 | ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type); | |
4506 | ev.key.authenticated = key->authenticated; | |
4507 | ev.key.enc_size = key->enc_size; | |
4508 | ev.key.ediv = key->ediv; | |
4509 | ||
4510 | if (key->type == HCI_SMP_LTK) | |
4511 | ev.key.master = 1; | |
4512 | ||
4513 | memcpy(ev.key.rand, key->rand, sizeof(key->rand)); | |
4514 | memcpy(ev.key.val, key->val, sizeof(key->val)); | |
4515 | ||
4516 | mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL); | |
4517 | } | |
4518 | ||
4519 | static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, | |
4520 | u8 data_len) | |
4521 | { | |
4522 | eir[eir_len++] = sizeof(type) + data_len; | |
4523 | eir[eir_len++] = type; | |
4524 | memcpy(&eir[eir_len], data, data_len); | |
4525 | eir_len += data_len; | |
4526 | ||
4527 | return eir_len; | |
4528 | } | |
4529 | ||
4530 | void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, | |
4531 | u8 addr_type, u32 flags, u8 *name, u8 name_len, | |
4532 | u8 *dev_class) | |
4533 | { | |
4534 | char buf[512]; | |
4535 | struct mgmt_ev_device_connected *ev = (void *) buf; | |
4536 | u16 eir_len = 0; | |
4537 | ||
4538 | bacpy(&ev->addr.bdaddr, bdaddr); | |
4539 | ev->addr.type = link_to_bdaddr(link_type, addr_type); | |
4540 | ||
4541 | ev->flags = __cpu_to_le32(flags); | |
4542 | ||
4543 | if (name_len > 0) | |
4544 | eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, | |
4545 | name, name_len); | |
4546 | ||
4547 | if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0) | |
4548 | eir_len = eir_append_data(ev->eir, eir_len, | |
4549 | EIR_CLASS_OF_DEV, dev_class, 3); | |
4550 | ||
4551 | ev->eir_len = cpu_to_le16(eir_len); | |
4552 | ||
4553 | mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf, | |
4554 | sizeof(*ev) + eir_len, NULL); | |
4555 | } | |
4556 | ||
4557 | static void disconnect_rsp(struct pending_cmd *cmd, void *data) | |
4558 | { | |
4559 | struct mgmt_cp_disconnect *cp = cmd->param; | |
4560 | struct sock **sk = data; | |
4561 | struct mgmt_rp_disconnect rp; | |
4562 | ||
4563 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
4564 | rp.addr.type = cp->addr.type; | |
4565 | ||
4566 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp, | |
4567 | sizeof(rp)); | |
4568 | ||
4569 | *sk = cmd->sk; | |
4570 | sock_hold(*sk); | |
4571 | ||
4572 | mgmt_pending_remove(cmd); | |
4573 | } | |
4574 | ||
4575 | static void unpair_device_rsp(struct pending_cmd *cmd, void *data) | |
4576 | { | |
4577 | struct hci_dev *hdev = data; | |
4578 | struct mgmt_cp_unpair_device *cp = cmd->param; | |
4579 | struct mgmt_rp_unpair_device rp; | |
4580 | ||
4581 | memset(&rp, 0, sizeof(rp)); | |
4582 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
4583 | rp.addr.type = cp->addr.type; | |
4584 | ||
4585 | device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk); | |
4586 | ||
4587 | cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp)); | |
4588 | ||
4589 | mgmt_pending_remove(cmd); | |
4590 | } | |
4591 | ||
4592 | void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4593 | u8 link_type, u8 addr_type, u8 reason) | |
4594 | { | |
4595 | struct mgmt_ev_device_disconnected ev; | |
4596 | struct sock *sk = NULL; | |
4597 | ||
4598 | mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk); | |
4599 | ||
4600 | bacpy(&ev.addr.bdaddr, bdaddr); | |
4601 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
4602 | ev.reason = reason; | |
4603 | ||
4604 | mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk); | |
4605 | ||
4606 | if (sk) | |
4607 | sock_put(sk); | |
4608 | ||
4609 | mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, | |
4610 | hdev); | |
4611 | } | |
4612 | ||
4613 | void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4614 | u8 link_type, u8 addr_type, u8 status) | |
4615 | { | |
4616 | struct mgmt_rp_disconnect rp; | |
4617 | struct pending_cmd *cmd; | |
4618 | ||
4619 | mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, | |
4620 | hdev); | |
4621 | ||
4622 | cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev); | |
4623 | if (!cmd) | |
4624 | return; | |
4625 | ||
4626 | bacpy(&rp.addr.bdaddr, bdaddr); | |
4627 | rp.addr.type = link_to_bdaddr(link_type, addr_type); | |
4628 | ||
4629 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, | |
4630 | mgmt_status(status), &rp, sizeof(rp)); | |
4631 | ||
4632 | mgmt_pending_remove(cmd); | |
4633 | } | |
4634 | ||
4635 | void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, | |
4636 | u8 addr_type, u8 status) | |
4637 | { | |
4638 | struct mgmt_ev_connect_failed ev; | |
4639 | ||
4640 | bacpy(&ev.addr.bdaddr, bdaddr); | |
4641 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
4642 | ev.status = mgmt_status(status); | |
4643 | ||
4644 | mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL); | |
4645 | } | |
4646 | ||
4647 | void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure) | |
4648 | { | |
4649 | struct mgmt_ev_pin_code_request ev; | |
4650 | ||
4651 | bacpy(&ev.addr.bdaddr, bdaddr); | |
4652 | ev.addr.type = BDADDR_BREDR; | |
4653 | ev.secure = secure; | |
4654 | ||
4655 | mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL); | |
4656 | } | |
4657 | ||
4658 | void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4659 | u8 status) | |
4660 | { | |
4661 | struct pending_cmd *cmd; | |
4662 | struct mgmt_rp_pin_code_reply rp; | |
4663 | ||
4664 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev); | |
4665 | if (!cmd) | |
4666 | return; | |
4667 | ||
4668 | bacpy(&rp.addr.bdaddr, bdaddr); | |
4669 | rp.addr.type = BDADDR_BREDR; | |
4670 | ||
4671 | cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, | |
4672 | mgmt_status(status), &rp, sizeof(rp)); | |
4673 | ||
4674 | mgmt_pending_remove(cmd); | |
4675 | } | |
4676 | ||
4677 | void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4678 | u8 status) | |
4679 | { | |
4680 | struct pending_cmd *cmd; | |
4681 | struct mgmt_rp_pin_code_reply rp; | |
4682 | ||
4683 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev); | |
4684 | if (!cmd) | |
4685 | return; | |
4686 | ||
4687 | bacpy(&rp.addr.bdaddr, bdaddr); | |
4688 | rp.addr.type = BDADDR_BREDR; | |
4689 | ||
4690 | cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY, | |
4691 | mgmt_status(status), &rp, sizeof(rp)); | |
4692 | ||
4693 | mgmt_pending_remove(cmd); | |
4694 | } | |
4695 | ||
4696 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4697 | u8 link_type, u8 addr_type, __le32 value, | |
4698 | u8 confirm_hint) | |
4699 | { | |
4700 | struct mgmt_ev_user_confirm_request ev; | |
4701 | ||
4702 | BT_DBG("%s", hdev->name); | |
4703 | ||
4704 | bacpy(&ev.addr.bdaddr, bdaddr); | |
4705 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
4706 | ev.confirm_hint = confirm_hint; | |
4707 | ev.value = value; | |
4708 | ||
4709 | return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev), | |
4710 | NULL); | |
4711 | } | |
4712 | ||
4713 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4714 | u8 link_type, u8 addr_type) | |
4715 | { | |
4716 | struct mgmt_ev_user_passkey_request ev; | |
4717 | ||
4718 | BT_DBG("%s", hdev->name); | |
4719 | ||
4720 | bacpy(&ev.addr.bdaddr, bdaddr); | |
4721 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
4722 | ||
4723 | return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev), | |
4724 | NULL); | |
4725 | } | |
4726 | ||
4727 | static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4728 | u8 link_type, u8 addr_type, u8 status, | |
4729 | u8 opcode) | |
4730 | { | |
4731 | struct pending_cmd *cmd; | |
4732 | struct mgmt_rp_user_confirm_reply rp; | |
4733 | int err; | |
4734 | ||
4735 | cmd = mgmt_pending_find(opcode, hdev); | |
4736 | if (!cmd) | |
4737 | return -ENOENT; | |
4738 | ||
4739 | bacpy(&rp.addr.bdaddr, bdaddr); | |
4740 | rp.addr.type = link_to_bdaddr(link_type, addr_type); | |
4741 | err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status), | |
4742 | &rp, sizeof(rp)); | |
4743 | ||
4744 | mgmt_pending_remove(cmd); | |
4745 | ||
4746 | return err; | |
4747 | } | |
4748 | ||
4749 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4750 | u8 link_type, u8 addr_type, u8 status) | |
4751 | { | |
4752 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, | |
4753 | status, MGMT_OP_USER_CONFIRM_REPLY); | |
4754 | } | |
4755 | ||
4756 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4757 | u8 link_type, u8 addr_type, u8 status) | |
4758 | { | |
4759 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, | |
4760 | status, | |
4761 | MGMT_OP_USER_CONFIRM_NEG_REPLY); | |
4762 | } | |
4763 | ||
4764 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4765 | u8 link_type, u8 addr_type, u8 status) | |
4766 | { | |
4767 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, | |
4768 | status, MGMT_OP_USER_PASSKEY_REPLY); | |
4769 | } | |
4770 | ||
4771 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4772 | u8 link_type, u8 addr_type, u8 status) | |
4773 | { | |
4774 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, | |
4775 | status, | |
4776 | MGMT_OP_USER_PASSKEY_NEG_REPLY); | |
4777 | } | |
4778 | ||
4779 | int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
4780 | u8 link_type, u8 addr_type, u32 passkey, | |
4781 | u8 entered) | |
4782 | { | |
4783 | struct mgmt_ev_passkey_notify ev; | |
4784 | ||
4785 | BT_DBG("%s", hdev->name); | |
4786 | ||
4787 | bacpy(&ev.addr.bdaddr, bdaddr); | |
4788 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
4789 | ev.passkey = __cpu_to_le32(passkey); | |
4790 | ev.entered = entered; | |
4791 | ||
4792 | return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL); | |
4793 | } | |
4794 | ||
4795 | void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, | |
4796 | u8 addr_type, u8 status) | |
4797 | { | |
4798 | struct mgmt_ev_auth_failed ev; | |
4799 | ||
4800 | bacpy(&ev.addr.bdaddr, bdaddr); | |
4801 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
4802 | ev.status = mgmt_status(status); | |
4803 | ||
4804 | mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL); | |
4805 | } | |
4806 | ||
4807 | void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) | |
4808 | { | |
4809 | struct cmd_lookup match = { NULL, hdev }; | |
4810 | bool changed; | |
4811 | ||
4812 | if (status) { | |
4813 | u8 mgmt_err = mgmt_status(status); | |
4814 | mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, | |
4815 | cmd_status_rsp, &mgmt_err); | |
4816 | return; | |
4817 | } | |
4818 | ||
4819 | if (test_bit(HCI_AUTH, &hdev->flags)) | |
4820 | changed = !test_and_set_bit(HCI_LINK_SECURITY, | |
4821 | &hdev->dev_flags); | |
4822 | else | |
4823 | changed = test_and_clear_bit(HCI_LINK_SECURITY, | |
4824 | &hdev->dev_flags); | |
4825 | ||
4826 | mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp, | |
4827 | &match); | |
4828 | ||
4829 | if (changed) | |
4830 | new_settings(hdev, match.sk); | |
4831 | ||
4832 | if (match.sk) | |
4833 | sock_put(match.sk); | |
4834 | } | |
4835 | ||
4836 | static void clear_eir(struct hci_request *req) | |
4837 | { | |
4838 | struct hci_dev *hdev = req->hdev; | |
4839 | struct hci_cp_write_eir cp; | |
4840 | ||
4841 | if (!lmp_ext_inq_capable(hdev)) | |
4842 | return; | |
4843 | ||
4844 | memset(hdev->eir, 0, sizeof(hdev->eir)); | |
4845 | ||
4846 | memset(&cp, 0, sizeof(cp)); | |
4847 | ||
4848 | hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); | |
4849 | } | |
4850 | ||
4851 | void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) | |
4852 | { | |
4853 | struct cmd_lookup match = { NULL, hdev }; | |
4854 | struct hci_request req; | |
4855 | bool changed = false; | |
4856 | ||
4857 | if (status) { | |
4858 | u8 mgmt_err = mgmt_status(status); | |
4859 | ||
4860 | if (enable && test_and_clear_bit(HCI_SSP_ENABLED, | |
4861 | &hdev->dev_flags)) { | |
4862 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
4863 | new_settings(hdev, NULL); | |
4864 | } | |
4865 | ||
4866 | mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp, | |
4867 | &mgmt_err); | |
4868 | return; | |
4869 | } | |
4870 | ||
4871 | if (enable) { | |
4872 | changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags); | |
4873 | } else { | |
4874 | changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); | |
4875 | if (!changed) | |
4876 | changed = test_and_clear_bit(HCI_HS_ENABLED, | |
4877 | &hdev->dev_flags); | |
4878 | else | |
4879 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
4880 | } | |
4881 | ||
4882 | mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match); | |
4883 | ||
4884 | if (changed) | |
4885 | new_settings(hdev, match.sk); | |
4886 | ||
4887 | if (match.sk) | |
4888 | sock_put(match.sk); | |
4889 | ||
4890 | hci_req_init(&req, hdev); | |
4891 | ||
4892 | if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) | |
4893 | update_eir(&req); | |
4894 | else | |
4895 | clear_eir(&req); | |
4896 | ||
4897 | hci_req_run(&req, NULL); | |
4898 | } | |
4899 | ||
4900 | static void sk_lookup(struct pending_cmd *cmd, void *data) | |
4901 | { | |
4902 | struct cmd_lookup *match = data; | |
4903 | ||
4904 | if (match->sk == NULL) { | |
4905 | match->sk = cmd->sk; | |
4906 | sock_hold(match->sk); | |
4907 | } | |
4908 | } | |
4909 | ||
4910 | void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, | |
4911 | u8 status) | |
4912 | { | |
4913 | struct cmd_lookup match = { NULL, hdev, mgmt_status(status) }; | |
4914 | ||
4915 | mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match); | |
4916 | mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match); | |
4917 | mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match); | |
4918 | ||
4919 | if (!status) | |
4920 | mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3, | |
4921 | NULL); | |
4922 | ||
4923 | if (match.sk) | |
4924 | sock_put(match.sk); | |
4925 | } | |
4926 | ||
4927 | void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) | |
4928 | { | |
4929 | struct mgmt_cp_set_local_name ev; | |
4930 | struct pending_cmd *cmd; | |
4931 | ||
4932 | if (status) | |
4933 | return; | |
4934 | ||
4935 | memset(&ev, 0, sizeof(ev)); | |
4936 | memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); | |
4937 | memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH); | |
4938 | ||
4939 | cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); | |
4940 | if (!cmd) { | |
4941 | memcpy(hdev->dev_name, name, sizeof(hdev->dev_name)); | |
4942 | ||
4943 | /* If this is a HCI command related to powering on the | |
4944 | * HCI dev don't send any mgmt signals. | |
4945 | */ | |
4946 | if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) | |
4947 | return; | |
4948 | } | |
4949 | ||
4950 | mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev), | |
4951 | cmd ? cmd->sk : NULL); | |
4952 | } | |
4953 | ||
4954 | void mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, | |
4955 | u8 *randomizer, u8 status) | |
4956 | { | |
4957 | struct pending_cmd *cmd; | |
4958 | ||
4959 | BT_DBG("%s status %u", hdev->name, status); | |
4960 | ||
4961 | cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev); | |
4962 | if (!cmd) | |
4963 | return; | |
4964 | ||
4965 | if (status) { | |
4966 | cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, | |
4967 | mgmt_status(status)); | |
4968 | } else { | |
4969 | struct mgmt_rp_read_local_oob_data rp; | |
4970 | ||
4971 | memcpy(rp.hash, hash, sizeof(rp.hash)); | |
4972 | memcpy(rp.randomizer, randomizer, sizeof(rp.randomizer)); | |
4973 | ||
4974 | cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, | |
4975 | 0, &rp, sizeof(rp)); | |
4976 | } | |
4977 | ||
4978 | mgmt_pending_remove(cmd); | |
4979 | } | |
4980 | ||
4981 | void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, | |
4982 | u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, u8 | |
4983 | ssp, u8 *eir, u16 eir_len) | |
4984 | { | |
4985 | char buf[512]; | |
4986 | struct mgmt_ev_device_found *ev = (void *) buf; | |
4987 | size_t ev_size; | |
4988 | ||
4989 | if (!hci_discovery_active(hdev)) | |
4990 | return; | |
4991 | ||
4992 | /* Leave 5 bytes for a potential CoD field */ | |
4993 | if (sizeof(*ev) + eir_len + 5 > sizeof(buf)) | |
4994 | return; | |
4995 | ||
4996 | memset(buf, 0, sizeof(buf)); | |
4997 | ||
4998 | bacpy(&ev->addr.bdaddr, bdaddr); | |
4999 | ev->addr.type = link_to_bdaddr(link_type, addr_type); | |
5000 | ev->rssi = rssi; | |
5001 | if (cfm_name) | |
5002 | ev->flags |= __constant_cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME); | |
5003 | if (!ssp) | |
5004 | ev->flags |= __constant_cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING); | |
5005 | ||
5006 | if (eir_len > 0) | |
5007 | memcpy(ev->eir, eir, eir_len); | |
5008 | ||
5009 | if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV)) | |
5010 | eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV, | |
5011 | dev_class, 3); | |
5012 | ||
5013 | ev->eir_len = cpu_to_le16(eir_len); | |
5014 | ev_size = sizeof(*ev) + eir_len; | |
5015 | ||
5016 | mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL); | |
5017 | } | |
5018 | ||
5019 | void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, | |
5020 | u8 addr_type, s8 rssi, u8 *name, u8 name_len) | |
5021 | { | |
5022 | struct mgmt_ev_device_found *ev; | |
5023 | char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2]; | |
5024 | u16 eir_len; | |
5025 | ||
5026 | ev = (struct mgmt_ev_device_found *) buf; | |
5027 | ||
5028 | memset(buf, 0, sizeof(buf)); | |
5029 | ||
5030 | bacpy(&ev->addr.bdaddr, bdaddr); | |
5031 | ev->addr.type = link_to_bdaddr(link_type, addr_type); | |
5032 | ev->rssi = rssi; | |
5033 | ||
5034 | eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name, | |
5035 | name_len); | |
5036 | ||
5037 | ev->eir_len = cpu_to_le16(eir_len); | |
5038 | ||
5039 | mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL); | |
5040 | } | |
5041 | ||
5042 | void mgmt_discovering(struct hci_dev *hdev, u8 discovering) | |
5043 | { | |
5044 | struct mgmt_ev_discovering ev; | |
5045 | struct pending_cmd *cmd; | |
5046 | ||
5047 | BT_DBG("%s discovering %u", hdev->name, discovering); | |
5048 | ||
5049 | if (discovering) | |
5050 | cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev); | |
5051 | else | |
5052 | cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev); | |
5053 | ||
5054 | if (cmd != NULL) { | |
5055 | u8 type = hdev->discovery.type; | |
5056 | ||
5057 | cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type, | |
5058 | sizeof(type)); | |
5059 | mgmt_pending_remove(cmd); | |
5060 | } | |
5061 | ||
5062 | memset(&ev, 0, sizeof(ev)); | |
5063 | ev.type = hdev->discovery.type; | |
5064 | ev.discovering = discovering; | |
5065 | ||
5066 | mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL); | |
5067 | } | |
5068 | ||
5069 | int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) | |
5070 | { | |
5071 | struct pending_cmd *cmd; | |
5072 | struct mgmt_ev_device_blocked ev; | |
5073 | ||
5074 | cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, hdev); | |
5075 | ||
5076 | bacpy(&ev.addr.bdaddr, bdaddr); | |
5077 | ev.addr.type = type; | |
5078 | ||
5079 | return mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &ev, sizeof(ev), | |
5080 | cmd ? cmd->sk : NULL); | |
5081 | } | |
5082 | ||
5083 | int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) | |
5084 | { | |
5085 | struct pending_cmd *cmd; | |
5086 | struct mgmt_ev_device_unblocked ev; | |
5087 | ||
5088 | cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, hdev); | |
5089 | ||
5090 | bacpy(&ev.addr.bdaddr, bdaddr); | |
5091 | ev.addr.type = type; | |
5092 | ||
5093 | return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &ev, sizeof(ev), | |
5094 | cmd ? cmd->sk : NULL); | |
5095 | } | |
5096 | ||
5097 | static void adv_enable_complete(struct hci_dev *hdev, u8 status) | |
5098 | { | |
5099 | BT_DBG("%s status %u", hdev->name, status); | |
5100 | ||
5101 | /* Clear the advertising mgmt setting if we failed to re-enable it */ | |
5102 | if (status) { | |
5103 | clear_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
5104 | new_settings(hdev, NULL); | |
5105 | } | |
5106 | } | |
5107 | ||
5108 | void mgmt_reenable_advertising(struct hci_dev *hdev) | |
5109 | { | |
5110 | struct hci_request req; | |
5111 | ||
5112 | if (hci_conn_num(hdev, LE_LINK) > 0) | |
5113 | return; | |
5114 | ||
5115 | if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
5116 | return; | |
5117 | ||
5118 | hci_req_init(&req, hdev); | |
5119 | enable_advertising(&req); | |
5120 | ||
5121 | /* If this fails we have no option but to let user space know | |
5122 | * that we've disabled advertising. | |
5123 | */ | |
5124 | if (hci_req_run(&req, adv_enable_complete) < 0) { | |
5125 | clear_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
5126 | new_settings(hdev, NULL); | |
5127 | } | |
5128 | } |