Commit | Line | Data |
---|---|---|
0381101f JH |
1 | /* |
2 | BlueZ - Bluetooth protocol stack for Linux | |
3 | Copyright (C) 2010 Nokia Corporation | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License version 2 as | |
7 | published by the Free Software Foundation; | |
8 | ||
9 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
10 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
11 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
12 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
13 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES | |
14 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
15 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
16 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
17 | ||
18 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, | |
19 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
20 | SOFTWARE IS DISCLAIMED. | |
21 | */ | |
22 | ||
23 | /* Bluetooth HCI Management interface */ | |
24 | ||
72359753 | 25 | #include <linux/uaccess.h> |
0381101f JH |
26 | #include <asm/unaligned.h> |
27 | ||
28 | #include <net/bluetooth/bluetooth.h> | |
29 | #include <net/bluetooth/hci_core.h> | |
30 | #include <net/bluetooth/mgmt.h> | |
31 | ||
02d98129 JH |
32 | #define MGMT_VERSION 0 |
33 | #define MGMT_REVISION 1 | |
34 | ||
2519a1fc AG |
35 | #define INQUIRY_LEN_BREDR 0x08 /* TGAP(100) */ |
36 | ||
eec8d2bc JH |
37 | struct pending_cmd { |
38 | struct list_head list; | |
39 | __u16 opcode; | |
40 | int index; | |
c68fb7ff | 41 | void *param; |
eec8d2bc | 42 | struct sock *sk; |
e9a416b5 | 43 | void *user_data; |
eec8d2bc JH |
44 | }; |
45 | ||
b5ad8b7f | 46 | static LIST_HEAD(cmd_list); |
eec8d2bc | 47 | |
4e51eae9 | 48 | static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status) |
f7b64e69 JH |
49 | { |
50 | struct sk_buff *skb; | |
51 | struct mgmt_hdr *hdr; | |
52 | struct mgmt_ev_cmd_status *ev; | |
56b7d137 | 53 | int err; |
f7b64e69 | 54 | |
34eb525c | 55 | BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status); |
f7b64e69 JH |
56 | |
57 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC); | |
58 | if (!skb) | |
59 | return -ENOMEM; | |
60 | ||
61 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
62 | ||
63 | hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS); | |
4e51eae9 | 64 | hdr->index = cpu_to_le16(index); |
f7b64e69 JH |
65 | hdr->len = cpu_to_le16(sizeof(*ev)); |
66 | ||
67 | ev = (void *) skb_put(skb, sizeof(*ev)); | |
68 | ev->status = status; | |
69 | put_unaligned_le16(cmd, &ev->opcode); | |
70 | ||
56b7d137 GP |
71 | err = sock_queue_rcv_skb(sk, skb); |
72 | if (err < 0) | |
f7b64e69 JH |
73 | kfree_skb(skb); |
74 | ||
56b7d137 | 75 | return err; |
f7b64e69 JH |
76 | } |
77 | ||
4e51eae9 SJ |
78 | static int cmd_complete(struct sock *sk, u16 index, u16 cmd, void *rp, |
79 | size_t rp_len) | |
02d98129 JH |
80 | { |
81 | struct sk_buff *skb; | |
82 | struct mgmt_hdr *hdr; | |
83 | struct mgmt_ev_cmd_complete *ev; | |
56b7d137 | 84 | int err; |
02d98129 JH |
85 | |
86 | BT_DBG("sock %p", sk); | |
87 | ||
a38528f1 | 88 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_ATOMIC); |
02d98129 JH |
89 | if (!skb) |
90 | return -ENOMEM; | |
91 | ||
92 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
02d98129 | 93 | |
a38528f1 | 94 | hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE); |
4e51eae9 | 95 | hdr->index = cpu_to_le16(index); |
a38528f1 | 96 | hdr->len = cpu_to_le16(sizeof(*ev) + rp_len); |
02d98129 | 97 | |
a38528f1 JH |
98 | ev = (void *) skb_put(skb, sizeof(*ev) + rp_len); |
99 | put_unaligned_le16(cmd, &ev->opcode); | |
8020c16a SJ |
100 | |
101 | if (rp) | |
102 | memcpy(ev->data, rp, rp_len); | |
02d98129 | 103 | |
56b7d137 GP |
104 | err = sock_queue_rcv_skb(sk, skb); |
105 | if (err < 0) | |
02d98129 JH |
106 | kfree_skb(skb); |
107 | ||
56b7d137 | 108 | return err;; |
02d98129 JH |
109 | } |
110 | ||
a38528f1 JH |
111 | static int read_version(struct sock *sk) |
112 | { | |
113 | struct mgmt_rp_read_version rp; | |
114 | ||
115 | BT_DBG("sock %p", sk); | |
116 | ||
117 | rp.version = MGMT_VERSION; | |
118 | put_unaligned_le16(MGMT_REVISION, &rp.revision); | |
119 | ||
4e51eae9 SJ |
120 | return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, &rp, |
121 | sizeof(rp)); | |
a38528f1 JH |
122 | } |
123 | ||
faba42eb JH |
124 | static int read_index_list(struct sock *sk) |
125 | { | |
faba42eb JH |
126 | struct mgmt_rp_read_index_list *rp; |
127 | struct list_head *p; | |
8035ded4 | 128 | struct hci_dev *d; |
a38528f1 | 129 | size_t rp_len; |
faba42eb | 130 | u16 count; |
a38528f1 | 131 | int i, err; |
faba42eb JH |
132 | |
133 | BT_DBG("sock %p", sk); | |
134 | ||
135 | read_lock(&hci_dev_list_lock); | |
136 | ||
137 | count = 0; | |
138 | list_for_each(p, &hci_dev_list) { | |
139 | count++; | |
140 | } | |
141 | ||
a38528f1 JH |
142 | rp_len = sizeof(*rp) + (2 * count); |
143 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
144 | if (!rp) { | |
b2c60d42 | 145 | read_unlock(&hci_dev_list_lock); |
faba42eb | 146 | return -ENOMEM; |
b2c60d42 | 147 | } |
faba42eb | 148 | |
faba42eb JH |
149 | put_unaligned_le16(count, &rp->num_controllers); |
150 | ||
151 | i = 0; | |
8035ded4 | 152 | list_for_each_entry(d, &hci_dev_list, list) { |
ab81cbf9 JH |
153 | hci_del_off_timer(d); |
154 | ||
155 | if (test_bit(HCI_SETUP, &d->flags)) | |
156 | continue; | |
157 | ||
faba42eb JH |
158 | put_unaligned_le16(d->id, &rp->index[i++]); |
159 | BT_DBG("Added hci%u", d->id); | |
160 | } | |
161 | ||
162 | read_unlock(&hci_dev_list_lock); | |
163 | ||
4e51eae9 SJ |
164 | err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, rp, |
165 | rp_len); | |
faba42eb | 166 | |
a38528f1 JH |
167 | kfree(rp); |
168 | ||
169 | return err; | |
faba42eb JH |
170 | } |
171 | ||
4e51eae9 | 172 | static int read_controller_info(struct sock *sk, u16 index) |
0381101f | 173 | { |
a38528f1 | 174 | struct mgmt_rp_read_info rp; |
f7b64e69 | 175 | struct hci_dev *hdev; |
0381101f | 176 | |
4e51eae9 | 177 | BT_DBG("sock %p hci%u", sk, index); |
f7b64e69 | 178 | |
4e51eae9 | 179 | hdev = hci_dev_get(index); |
a38528f1 | 180 | if (!hdev) |
4e51eae9 | 181 | return cmd_status(sk, index, MGMT_OP_READ_INFO, ENODEV); |
f7b64e69 | 182 | |
ab81cbf9 JH |
183 | hci_del_off_timer(hdev); |
184 | ||
8c156c32 | 185 | hci_dev_lock_bh(hdev); |
f7b64e69 | 186 | |
ebc99feb JH |
187 | set_bit(HCI_MGMT, &hdev->flags); |
188 | ||
dc4fe30b JH |
189 | memset(&rp, 0, sizeof(rp)); |
190 | ||
a38528f1 | 191 | rp.type = hdev->dev_type; |
f7b64e69 | 192 | |
a38528f1 JH |
193 | rp.powered = test_bit(HCI_UP, &hdev->flags); |
194 | rp.connectable = test_bit(HCI_PSCAN, &hdev->flags); | |
195 | rp.discoverable = test_bit(HCI_ISCAN, &hdev->flags); | |
196 | rp.pairable = test_bit(HCI_PSCAN, &hdev->flags); | |
f7b64e69 JH |
197 | |
198 | if (test_bit(HCI_AUTH, &hdev->flags)) | |
a38528f1 | 199 | rp.sec_mode = 3; |
f7b64e69 | 200 | else if (hdev->ssp_mode > 0) |
a38528f1 | 201 | rp.sec_mode = 4; |
f7b64e69 | 202 | else |
a38528f1 | 203 | rp.sec_mode = 2; |
f7b64e69 | 204 | |
a38528f1 JH |
205 | bacpy(&rp.bdaddr, &hdev->bdaddr); |
206 | memcpy(rp.features, hdev->features, 8); | |
207 | memcpy(rp.dev_class, hdev->dev_class, 3); | |
208 | put_unaligned_le16(hdev->manufacturer, &rp.manufacturer); | |
209 | rp.hci_ver = hdev->hci_ver; | |
210 | put_unaligned_le16(hdev->hci_rev, &rp.hci_rev); | |
f7b64e69 | 211 | |
dc4fe30b JH |
212 | memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name)); |
213 | ||
8c156c32 | 214 | hci_dev_unlock_bh(hdev); |
f7b64e69 | 215 | hci_dev_put(hdev); |
0381101f | 216 | |
4e51eae9 | 217 | return cmd_complete(sk, index, MGMT_OP_READ_INFO, &rp, sizeof(rp)); |
0381101f JH |
218 | } |
219 | ||
eec8d2bc JH |
220 | static void mgmt_pending_free(struct pending_cmd *cmd) |
221 | { | |
222 | sock_put(cmd->sk); | |
c68fb7ff | 223 | kfree(cmd->param); |
eec8d2bc JH |
224 | kfree(cmd); |
225 | } | |
226 | ||
366a0336 JH |
227 | static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, |
228 | u16 index, void *data, u16 len) | |
eec8d2bc JH |
229 | { |
230 | struct pending_cmd *cmd; | |
231 | ||
232 | cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC); | |
233 | if (!cmd) | |
366a0336 | 234 | return NULL; |
eec8d2bc JH |
235 | |
236 | cmd->opcode = opcode; | |
237 | cmd->index = index; | |
238 | ||
c68fb7ff SJ |
239 | cmd->param = kmalloc(len, GFP_ATOMIC); |
240 | if (!cmd->param) { | |
eec8d2bc | 241 | kfree(cmd); |
366a0336 | 242 | return NULL; |
eec8d2bc JH |
243 | } |
244 | ||
8fce6357 SJ |
245 | if (data) |
246 | memcpy(cmd->param, data, len); | |
eec8d2bc JH |
247 | |
248 | cmd->sk = sk; | |
249 | sock_hold(sk); | |
250 | ||
251 | list_add(&cmd->list, &cmd_list); | |
252 | ||
366a0336 | 253 | return cmd; |
eec8d2bc JH |
254 | } |
255 | ||
256 | static void mgmt_pending_foreach(u16 opcode, int index, | |
257 | void (*cb)(struct pending_cmd *cmd, void *data), | |
258 | void *data) | |
259 | { | |
260 | struct list_head *p, *n; | |
261 | ||
262 | list_for_each_safe(p, n, &cmd_list) { | |
263 | struct pending_cmd *cmd; | |
264 | ||
265 | cmd = list_entry(p, struct pending_cmd, list); | |
266 | ||
b24752fe | 267 | if (opcode > 0 && cmd->opcode != opcode) |
eec8d2bc JH |
268 | continue; |
269 | ||
270 | if (index >= 0 && cmd->index != index) | |
271 | continue; | |
272 | ||
273 | cb(cmd, data); | |
274 | } | |
275 | } | |
276 | ||
277 | static struct pending_cmd *mgmt_pending_find(u16 opcode, int index) | |
278 | { | |
8035ded4 | 279 | struct pending_cmd *cmd; |
eec8d2bc | 280 | |
8035ded4 | 281 | list_for_each_entry(cmd, &cmd_list, list) { |
eec8d2bc JH |
282 | if (cmd->opcode != opcode) |
283 | continue; | |
284 | ||
285 | if (index >= 0 && cmd->index != index) | |
286 | continue; | |
287 | ||
288 | return cmd; | |
289 | } | |
290 | ||
291 | return NULL; | |
292 | } | |
293 | ||
a664b5bc | 294 | static void mgmt_pending_remove(struct pending_cmd *cmd) |
73f22f62 | 295 | { |
73f22f62 JH |
296 | list_del(&cmd->list); |
297 | mgmt_pending_free(cmd); | |
298 | } | |
299 | ||
4e51eae9 | 300 | static int set_powered(struct sock *sk, u16 index, unsigned char *data, u16 len) |
eec8d2bc | 301 | { |
72a734ec | 302 | struct mgmt_mode *cp; |
eec8d2bc | 303 | struct hci_dev *hdev; |
366a0336 | 304 | struct pending_cmd *cmd; |
366a0336 | 305 | int err, up; |
eec8d2bc JH |
306 | |
307 | cp = (void *) data; | |
eec8d2bc | 308 | |
4e51eae9 | 309 | BT_DBG("request for hci%u", index); |
eec8d2bc | 310 | |
bdce7baf SJ |
311 | if (len != sizeof(*cp)) |
312 | return cmd_status(sk, index, MGMT_OP_SET_POWERED, EINVAL); | |
313 | ||
4e51eae9 | 314 | hdev = hci_dev_get(index); |
eec8d2bc | 315 | if (!hdev) |
4e51eae9 | 316 | return cmd_status(sk, index, MGMT_OP_SET_POWERED, ENODEV); |
eec8d2bc | 317 | |
8c156c32 | 318 | hci_dev_lock_bh(hdev); |
eec8d2bc JH |
319 | |
320 | up = test_bit(HCI_UP, &hdev->flags); | |
72a734ec | 321 | if ((cp->val && up) || (!cp->val && !up)) { |
4e51eae9 | 322 | err = cmd_status(sk, index, MGMT_OP_SET_POWERED, EALREADY); |
eec8d2bc JH |
323 | goto failed; |
324 | } | |
325 | ||
4e51eae9 SJ |
326 | if (mgmt_pending_find(MGMT_OP_SET_POWERED, index)) { |
327 | err = cmd_status(sk, index, MGMT_OP_SET_POWERED, EBUSY); | |
eec8d2bc JH |
328 | goto failed; |
329 | } | |
330 | ||
4e51eae9 | 331 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, index, data, len); |
366a0336 JH |
332 | if (!cmd) { |
333 | err = -ENOMEM; | |
eec8d2bc | 334 | goto failed; |
366a0336 | 335 | } |
eec8d2bc | 336 | |
72a734ec | 337 | if (cp->val) |
eec8d2bc JH |
338 | queue_work(hdev->workqueue, &hdev->power_on); |
339 | else | |
340 | queue_work(hdev->workqueue, &hdev->power_off); | |
341 | ||
366a0336 | 342 | err = 0; |
eec8d2bc JH |
343 | |
344 | failed: | |
8c156c32 | 345 | hci_dev_unlock_bh(hdev); |
eec8d2bc | 346 | hci_dev_put(hdev); |
366a0336 | 347 | return err; |
eec8d2bc JH |
348 | } |
349 | ||
4e51eae9 SJ |
350 | static int set_discoverable(struct sock *sk, u16 index, unsigned char *data, |
351 | u16 len) | |
73f22f62 | 352 | { |
72a734ec | 353 | struct mgmt_mode *cp; |
73f22f62 | 354 | struct hci_dev *hdev; |
366a0336 | 355 | struct pending_cmd *cmd; |
73f22f62 JH |
356 | u8 scan; |
357 | int err; | |
358 | ||
359 | cp = (void *) data; | |
73f22f62 | 360 | |
4e51eae9 | 361 | BT_DBG("request for hci%u", index); |
73f22f62 | 362 | |
bdce7baf SJ |
363 | if (len != sizeof(*cp)) |
364 | return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EINVAL); | |
365 | ||
4e51eae9 | 366 | hdev = hci_dev_get(index); |
73f22f62 | 367 | if (!hdev) |
4e51eae9 | 368 | return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENODEV); |
73f22f62 | 369 | |
8c156c32 | 370 | hci_dev_lock_bh(hdev); |
73f22f62 JH |
371 | |
372 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
4e51eae9 | 373 | err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENETDOWN); |
73f22f62 JH |
374 | goto failed; |
375 | } | |
376 | ||
4e51eae9 SJ |
377 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, index) || |
378 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, index)) { | |
379 | err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EBUSY); | |
73f22f62 JH |
380 | goto failed; |
381 | } | |
382 | ||
72a734ec | 383 | if (cp->val == test_bit(HCI_ISCAN, &hdev->flags) && |
73f22f62 | 384 | test_bit(HCI_PSCAN, &hdev->flags)) { |
4e51eae9 | 385 | err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EALREADY); |
73f22f62 JH |
386 | goto failed; |
387 | } | |
388 | ||
4e51eae9 | 389 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, index, data, len); |
366a0336 JH |
390 | if (!cmd) { |
391 | err = -ENOMEM; | |
73f22f62 | 392 | goto failed; |
366a0336 | 393 | } |
73f22f62 JH |
394 | |
395 | scan = SCAN_PAGE; | |
396 | ||
72a734ec | 397 | if (cp->val) |
73f22f62 JH |
398 | scan |= SCAN_INQUIRY; |
399 | ||
400 | err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
401 | if (err < 0) | |
a664b5bc | 402 | mgmt_pending_remove(cmd); |
73f22f62 JH |
403 | |
404 | failed: | |
8c156c32 | 405 | hci_dev_unlock_bh(hdev); |
73f22f62 JH |
406 | hci_dev_put(hdev); |
407 | ||
408 | return err; | |
409 | } | |
410 | ||
4e51eae9 SJ |
411 | static int set_connectable(struct sock *sk, u16 index, unsigned char *data, |
412 | u16 len) | |
9fbcbb45 | 413 | { |
72a734ec | 414 | struct mgmt_mode *cp; |
9fbcbb45 | 415 | struct hci_dev *hdev; |
366a0336 | 416 | struct pending_cmd *cmd; |
9fbcbb45 JH |
417 | u8 scan; |
418 | int err; | |
419 | ||
420 | cp = (void *) data; | |
9fbcbb45 | 421 | |
4e51eae9 | 422 | BT_DBG("request for hci%u", index); |
9fbcbb45 | 423 | |
bdce7baf SJ |
424 | if (len != sizeof(*cp)) |
425 | return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EINVAL); | |
426 | ||
4e51eae9 | 427 | hdev = hci_dev_get(index); |
9fbcbb45 | 428 | if (!hdev) |
4e51eae9 | 429 | return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENODEV); |
9fbcbb45 | 430 | |
8c156c32 | 431 | hci_dev_lock_bh(hdev); |
9fbcbb45 JH |
432 | |
433 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
4e51eae9 | 434 | err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENETDOWN); |
9fbcbb45 JH |
435 | goto failed; |
436 | } | |
437 | ||
4e51eae9 SJ |
438 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, index) || |
439 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, index)) { | |
440 | err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EBUSY); | |
9fbcbb45 JH |
441 | goto failed; |
442 | } | |
443 | ||
72a734ec | 444 | if (cp->val == test_bit(HCI_PSCAN, &hdev->flags)) { |
4e51eae9 | 445 | err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EALREADY); |
9fbcbb45 JH |
446 | goto failed; |
447 | } | |
448 | ||
4e51eae9 | 449 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, index, data, len); |
366a0336 JH |
450 | if (!cmd) { |
451 | err = -ENOMEM; | |
9fbcbb45 | 452 | goto failed; |
366a0336 | 453 | } |
9fbcbb45 | 454 | |
72a734ec | 455 | if (cp->val) |
9fbcbb45 JH |
456 | scan = SCAN_PAGE; |
457 | else | |
458 | scan = 0; | |
459 | ||
460 | err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
461 | if (err < 0) | |
a664b5bc | 462 | mgmt_pending_remove(cmd); |
9fbcbb45 JH |
463 | |
464 | failed: | |
8c156c32 | 465 | hci_dev_unlock_bh(hdev); |
9fbcbb45 JH |
466 | hci_dev_put(hdev); |
467 | ||
468 | return err; | |
469 | } | |
470 | ||
4e51eae9 SJ |
471 | static int mgmt_event(u16 event, u16 index, void *data, u16 data_len, |
472 | struct sock *skip_sk) | |
c542a06c JH |
473 | { |
474 | struct sk_buff *skb; | |
475 | struct mgmt_hdr *hdr; | |
476 | ||
477 | skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC); | |
478 | if (!skb) | |
479 | return -ENOMEM; | |
480 | ||
481 | bt_cb(skb)->channel = HCI_CHANNEL_CONTROL; | |
482 | ||
483 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
484 | hdr->opcode = cpu_to_le16(event); | |
4e51eae9 | 485 | hdr->index = cpu_to_le16(index); |
c542a06c JH |
486 | hdr->len = cpu_to_le16(data_len); |
487 | ||
4e51eae9 SJ |
488 | if (data) |
489 | memcpy(skb_put(skb, data_len), data, data_len); | |
c542a06c JH |
490 | |
491 | hci_send_to_sock(NULL, skb, skip_sk); | |
492 | kfree_skb(skb); | |
493 | ||
494 | return 0; | |
495 | } | |
496 | ||
053f0211 JH |
497 | static int send_mode_rsp(struct sock *sk, u16 opcode, u16 index, u8 val) |
498 | { | |
a38528f1 | 499 | struct mgmt_mode rp; |
053f0211 | 500 | |
a38528f1 | 501 | rp.val = val; |
053f0211 | 502 | |
4e51eae9 | 503 | return cmd_complete(sk, index, opcode, &rp, sizeof(rp)); |
053f0211 JH |
504 | } |
505 | ||
4e51eae9 SJ |
506 | static int set_pairable(struct sock *sk, u16 index, unsigned char *data, |
507 | u16 len) | |
c542a06c JH |
508 | { |
509 | struct mgmt_mode *cp, ev; | |
510 | struct hci_dev *hdev; | |
c542a06c JH |
511 | int err; |
512 | ||
513 | cp = (void *) data; | |
c542a06c | 514 | |
4e51eae9 | 515 | BT_DBG("request for hci%u", index); |
c542a06c | 516 | |
bdce7baf SJ |
517 | if (len != sizeof(*cp)) |
518 | return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, EINVAL); | |
519 | ||
4e51eae9 | 520 | hdev = hci_dev_get(index); |
c542a06c | 521 | if (!hdev) |
4e51eae9 | 522 | return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, ENODEV); |
c542a06c | 523 | |
8c156c32 | 524 | hci_dev_lock_bh(hdev); |
c542a06c JH |
525 | |
526 | if (cp->val) | |
527 | set_bit(HCI_PAIRABLE, &hdev->flags); | |
528 | else | |
529 | clear_bit(HCI_PAIRABLE, &hdev->flags); | |
530 | ||
4e51eae9 | 531 | err = send_mode_rsp(sk, MGMT_OP_SET_PAIRABLE, index, cp->val); |
c542a06c JH |
532 | if (err < 0) |
533 | goto failed; | |
534 | ||
c542a06c JH |
535 | ev.val = cp->val; |
536 | ||
4e51eae9 | 537 | err = mgmt_event(MGMT_EV_PAIRABLE, index, &ev, sizeof(ev), sk); |
c542a06c JH |
538 | |
539 | failed: | |
8c156c32 | 540 | hci_dev_unlock_bh(hdev); |
c542a06c JH |
541 | hci_dev_put(hdev); |
542 | ||
543 | return err; | |
544 | } | |
545 | ||
80a1e1db JH |
546 | #define EIR_FLAGS 0x01 /* flags */ |
547 | #define EIR_UUID16_SOME 0x02 /* 16-bit UUID, more available */ | |
548 | #define EIR_UUID16_ALL 0x03 /* 16-bit UUID, all listed */ | |
549 | #define EIR_UUID32_SOME 0x04 /* 32-bit UUID, more available */ | |
550 | #define EIR_UUID32_ALL 0x05 /* 32-bit UUID, all listed */ | |
551 | #define EIR_UUID128_SOME 0x06 /* 128-bit UUID, more available */ | |
552 | #define EIR_UUID128_ALL 0x07 /* 128-bit UUID, all listed */ | |
553 | #define EIR_NAME_SHORT 0x08 /* shortened local name */ | |
554 | #define EIR_NAME_COMPLETE 0x09 /* complete local name */ | |
555 | #define EIR_TX_POWER 0x0A /* transmit power level */ | |
556 | #define EIR_DEVICE_ID 0x10 /* device ID */ | |
557 | ||
558 | #define PNP_INFO_SVCLASS_ID 0x1200 | |
559 | ||
560 | static u8 bluetooth_base_uuid[] = { | |
561 | 0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, | |
562 | 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
563 | }; | |
564 | ||
565 | static u16 get_uuid16(u8 *uuid128) | |
566 | { | |
567 | u32 val; | |
568 | int i; | |
569 | ||
570 | for (i = 0; i < 12; i++) { | |
571 | if (bluetooth_base_uuid[i] != uuid128[i]) | |
572 | return 0; | |
573 | } | |
574 | ||
575 | memcpy(&val, &uuid128[12], 4); | |
576 | ||
577 | val = le32_to_cpu(val); | |
578 | if (val > 0xffff) | |
579 | return 0; | |
580 | ||
581 | return (u16) val; | |
582 | } | |
583 | ||
584 | static void create_eir(struct hci_dev *hdev, u8 *data) | |
585 | { | |
586 | u8 *ptr = data; | |
587 | u16 eir_len = 0; | |
588 | u16 uuid16_list[HCI_MAX_EIR_LENGTH / sizeof(u16)]; | |
589 | int i, truncated = 0; | |
8035ded4 | 590 | struct bt_uuid *uuid; |
80a1e1db JH |
591 | size_t name_len; |
592 | ||
593 | name_len = strlen(hdev->dev_name); | |
594 | ||
595 | if (name_len > 0) { | |
596 | /* EIR Data type */ | |
597 | if (name_len > 48) { | |
598 | name_len = 48; | |
599 | ptr[1] = EIR_NAME_SHORT; | |
600 | } else | |
601 | ptr[1] = EIR_NAME_COMPLETE; | |
602 | ||
603 | /* EIR Data length */ | |
604 | ptr[0] = name_len + 1; | |
605 | ||
606 | memcpy(ptr + 2, hdev->dev_name, name_len); | |
607 | ||
608 | eir_len += (name_len + 2); | |
609 | ptr += (name_len + 2); | |
610 | } | |
611 | ||
612 | memset(uuid16_list, 0, sizeof(uuid16_list)); | |
613 | ||
614 | /* Group all UUID16 types */ | |
8035ded4 | 615 | list_for_each_entry(uuid, &hdev->uuids, list) { |
80a1e1db JH |
616 | u16 uuid16; |
617 | ||
618 | uuid16 = get_uuid16(uuid->uuid); | |
619 | if (uuid16 == 0) | |
620 | return; | |
621 | ||
622 | if (uuid16 < 0x1100) | |
623 | continue; | |
624 | ||
625 | if (uuid16 == PNP_INFO_SVCLASS_ID) | |
626 | continue; | |
627 | ||
628 | /* Stop if not enough space to put next UUID */ | |
629 | if (eir_len + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) { | |
630 | truncated = 1; | |
631 | break; | |
632 | } | |
633 | ||
634 | /* Check for duplicates */ | |
635 | for (i = 0; uuid16_list[i] != 0; i++) | |
636 | if (uuid16_list[i] == uuid16) | |
637 | break; | |
638 | ||
639 | if (uuid16_list[i] == 0) { | |
640 | uuid16_list[i] = uuid16; | |
641 | eir_len += sizeof(u16); | |
642 | } | |
643 | } | |
644 | ||
645 | if (uuid16_list[0] != 0) { | |
646 | u8 *length = ptr; | |
647 | ||
648 | /* EIR Data type */ | |
649 | ptr[1] = truncated ? EIR_UUID16_SOME : EIR_UUID16_ALL; | |
650 | ||
651 | ptr += 2; | |
652 | eir_len += 2; | |
653 | ||
654 | for (i = 0; uuid16_list[i] != 0; i++) { | |
655 | *ptr++ = (uuid16_list[i] & 0x00ff); | |
656 | *ptr++ = (uuid16_list[i] & 0xff00) >> 8; | |
657 | } | |
658 | ||
659 | /* EIR Data length */ | |
660 | *length = (i * sizeof(u16)) + 1; | |
661 | } | |
662 | } | |
663 | ||
664 | static int update_eir(struct hci_dev *hdev) | |
665 | { | |
666 | struct hci_cp_write_eir cp; | |
667 | ||
668 | if (!(hdev->features[6] & LMP_EXT_INQ)) | |
669 | return 0; | |
670 | ||
671 | if (hdev->ssp_mode == 0) | |
672 | return 0; | |
673 | ||
674 | if (test_bit(HCI_SERVICE_CACHE, &hdev->flags)) | |
675 | return 0; | |
676 | ||
677 | memset(&cp, 0, sizeof(cp)); | |
678 | ||
679 | create_eir(hdev, cp.data); | |
680 | ||
681 | if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0) | |
682 | return 0; | |
683 | ||
684 | memcpy(hdev->eir, cp.data, sizeof(cp.data)); | |
685 | ||
686 | return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp); | |
687 | } | |
688 | ||
1aff6f09 JH |
689 | static u8 get_service_classes(struct hci_dev *hdev) |
690 | { | |
12dc0743 | 691 | struct bt_uuid *uuid; |
1aff6f09 JH |
692 | u8 val = 0; |
693 | ||
12dc0743 | 694 | list_for_each_entry(uuid, &hdev->uuids, list) |
1aff6f09 | 695 | val |= uuid->svc_hint; |
1aff6f09 JH |
696 | |
697 | return val; | |
698 | } | |
699 | ||
700 | static int update_class(struct hci_dev *hdev) | |
701 | { | |
702 | u8 cod[3]; | |
703 | ||
704 | BT_DBG("%s", hdev->name); | |
705 | ||
706 | if (test_bit(HCI_SERVICE_CACHE, &hdev->flags)) | |
707 | return 0; | |
708 | ||
709 | cod[0] = hdev->minor_class; | |
710 | cod[1] = hdev->major_class; | |
711 | cod[2] = get_service_classes(hdev); | |
712 | ||
713 | if (memcmp(cod, hdev->dev_class, 3) == 0) | |
714 | return 0; | |
715 | ||
716 | return hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); | |
717 | } | |
718 | ||
4e51eae9 | 719 | static int add_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len) |
2aeb9a1a JH |
720 | { |
721 | struct mgmt_cp_add_uuid *cp; | |
722 | struct hci_dev *hdev; | |
723 | struct bt_uuid *uuid; | |
2aeb9a1a JH |
724 | int err; |
725 | ||
726 | cp = (void *) data; | |
2aeb9a1a | 727 | |
4e51eae9 | 728 | BT_DBG("request for hci%u", index); |
2aeb9a1a | 729 | |
bdce7baf SJ |
730 | if (len != sizeof(*cp)) |
731 | return cmd_status(sk, index, MGMT_OP_ADD_UUID, EINVAL); | |
732 | ||
4e51eae9 | 733 | hdev = hci_dev_get(index); |
2aeb9a1a | 734 | if (!hdev) |
4e51eae9 | 735 | return cmd_status(sk, index, MGMT_OP_ADD_UUID, ENODEV); |
2aeb9a1a | 736 | |
8c156c32 | 737 | hci_dev_lock_bh(hdev); |
2aeb9a1a JH |
738 | |
739 | uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC); | |
740 | if (!uuid) { | |
741 | err = -ENOMEM; | |
742 | goto failed; | |
743 | } | |
744 | ||
745 | memcpy(uuid->uuid, cp->uuid, 16); | |
1aff6f09 | 746 | uuid->svc_hint = cp->svc_hint; |
2aeb9a1a JH |
747 | |
748 | list_add(&uuid->list, &hdev->uuids); | |
749 | ||
1aff6f09 JH |
750 | err = update_class(hdev); |
751 | if (err < 0) | |
752 | goto failed; | |
753 | ||
80a1e1db JH |
754 | err = update_eir(hdev); |
755 | if (err < 0) | |
756 | goto failed; | |
757 | ||
4e51eae9 | 758 | err = cmd_complete(sk, index, MGMT_OP_ADD_UUID, NULL, 0); |
2aeb9a1a JH |
759 | |
760 | failed: | |
8c156c32 | 761 | hci_dev_unlock_bh(hdev); |
2aeb9a1a JH |
762 | hci_dev_put(hdev); |
763 | ||
764 | return err; | |
765 | } | |
766 | ||
4e51eae9 | 767 | static int remove_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len) |
2aeb9a1a JH |
768 | { |
769 | struct list_head *p, *n; | |
779cb850 | 770 | struct mgmt_cp_remove_uuid *cp; |
2aeb9a1a JH |
771 | struct hci_dev *hdev; |
772 | u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; | |
2aeb9a1a JH |
773 | int err, found; |
774 | ||
775 | cp = (void *) data; | |
2aeb9a1a | 776 | |
4e51eae9 | 777 | BT_DBG("request for hci%u", index); |
2aeb9a1a | 778 | |
bdce7baf SJ |
779 | if (len != sizeof(*cp)) |
780 | return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, EINVAL); | |
781 | ||
4e51eae9 | 782 | hdev = hci_dev_get(index); |
2aeb9a1a | 783 | if (!hdev) |
4e51eae9 | 784 | return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, ENODEV); |
2aeb9a1a | 785 | |
8c156c32 | 786 | hci_dev_lock_bh(hdev); |
2aeb9a1a JH |
787 | |
788 | if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) { | |
789 | err = hci_uuids_clear(hdev); | |
790 | goto unlock; | |
791 | } | |
792 | ||
793 | found = 0; | |
794 | ||
795 | list_for_each_safe(p, n, &hdev->uuids) { | |
796 | struct bt_uuid *match = list_entry(p, struct bt_uuid, list); | |
797 | ||
798 | if (memcmp(match->uuid, cp->uuid, 16) != 0) | |
799 | continue; | |
800 | ||
801 | list_del(&match->list); | |
802 | found++; | |
803 | } | |
804 | ||
805 | if (found == 0) { | |
4e51eae9 | 806 | err = cmd_status(sk, index, MGMT_OP_REMOVE_UUID, ENOENT); |
2aeb9a1a JH |
807 | goto unlock; |
808 | } | |
809 | ||
1aff6f09 JH |
810 | err = update_class(hdev); |
811 | if (err < 0) | |
812 | goto unlock; | |
813 | ||
80a1e1db JH |
814 | err = update_eir(hdev); |
815 | if (err < 0) | |
816 | goto unlock; | |
817 | ||
4e51eae9 | 818 | err = cmd_complete(sk, index, MGMT_OP_REMOVE_UUID, NULL, 0); |
2aeb9a1a JH |
819 | |
820 | unlock: | |
8c156c32 | 821 | hci_dev_unlock_bh(hdev); |
2aeb9a1a JH |
822 | hci_dev_put(hdev); |
823 | ||
824 | return err; | |
825 | } | |
826 | ||
4e51eae9 SJ |
827 | static int set_dev_class(struct sock *sk, u16 index, unsigned char *data, |
828 | u16 len) | |
1aff6f09 JH |
829 | { |
830 | struct hci_dev *hdev; | |
831 | struct mgmt_cp_set_dev_class *cp; | |
1aff6f09 JH |
832 | int err; |
833 | ||
834 | cp = (void *) data; | |
1aff6f09 | 835 | |
4e51eae9 | 836 | BT_DBG("request for hci%u", index); |
1aff6f09 | 837 | |
bdce7baf SJ |
838 | if (len != sizeof(*cp)) |
839 | return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, EINVAL); | |
840 | ||
4e51eae9 | 841 | hdev = hci_dev_get(index); |
1aff6f09 | 842 | if (!hdev) |
4e51eae9 | 843 | return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, ENODEV); |
1aff6f09 | 844 | |
8c156c32 | 845 | hci_dev_lock_bh(hdev); |
1aff6f09 JH |
846 | |
847 | hdev->major_class = cp->major; | |
848 | hdev->minor_class = cp->minor; | |
849 | ||
850 | err = update_class(hdev); | |
851 | ||
852 | if (err == 0) | |
4e51eae9 | 853 | err = cmd_complete(sk, index, MGMT_OP_SET_DEV_CLASS, NULL, 0); |
1aff6f09 | 854 | |
8c156c32 | 855 | hci_dev_unlock_bh(hdev); |
1aff6f09 JH |
856 | hci_dev_put(hdev); |
857 | ||
858 | return err; | |
859 | } | |
860 | ||
4e51eae9 SJ |
861 | static int set_service_cache(struct sock *sk, u16 index, unsigned char *data, |
862 | u16 len) | |
1aff6f09 JH |
863 | { |
864 | struct hci_dev *hdev; | |
865 | struct mgmt_cp_set_service_cache *cp; | |
1aff6f09 JH |
866 | int err; |
867 | ||
868 | cp = (void *) data; | |
1aff6f09 | 869 | |
bdce7baf | 870 | if (len != sizeof(*cp)) |
b8534e0f | 871 | return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, EINVAL); |
bdce7baf | 872 | |
4e51eae9 | 873 | hdev = hci_dev_get(index); |
1aff6f09 | 874 | if (!hdev) |
4e51eae9 | 875 | return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, ENODEV); |
1aff6f09 | 876 | |
8c156c32 | 877 | hci_dev_lock_bh(hdev); |
1aff6f09 | 878 | |
4e51eae9 | 879 | BT_DBG("hci%u enable %d", index, cp->enable); |
1aff6f09 JH |
880 | |
881 | if (cp->enable) { | |
882 | set_bit(HCI_SERVICE_CACHE, &hdev->flags); | |
883 | err = 0; | |
884 | } else { | |
885 | clear_bit(HCI_SERVICE_CACHE, &hdev->flags); | |
886 | err = update_class(hdev); | |
80a1e1db JH |
887 | if (err == 0) |
888 | err = update_eir(hdev); | |
1aff6f09 JH |
889 | } |
890 | ||
891 | if (err == 0) | |
4e51eae9 SJ |
892 | err = cmd_complete(sk, index, MGMT_OP_SET_SERVICE_CACHE, NULL, |
893 | 0); | |
e5b82e58 GP |
894 | else |
895 | cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, -err); | |
896 | ||
1aff6f09 | 897 | |
8c156c32 | 898 | hci_dev_unlock_bh(hdev); |
1aff6f09 JH |
899 | hci_dev_put(hdev); |
900 | ||
901 | return err; | |
902 | } | |
903 | ||
4e51eae9 | 904 | static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len) |
55ed8ca1 JH |
905 | { |
906 | struct hci_dev *hdev; | |
907 | struct mgmt_cp_load_keys *cp; | |
4e51eae9 | 908 | u16 key_count, expected_len; |
a492cd52 | 909 | int i; |
55ed8ca1 JH |
910 | |
911 | cp = (void *) data; | |
bdce7baf SJ |
912 | |
913 | if (len < sizeof(*cp)) | |
b7059136 | 914 | return cmd_status(sk, index, MGMT_OP_LOAD_KEYS, EINVAL); |
bdce7baf | 915 | |
55ed8ca1 JH |
916 | key_count = get_unaligned_le16(&cp->key_count); |
917 | ||
918 | expected_len = sizeof(*cp) + key_count * sizeof(struct mgmt_key_info); | |
a492cd52 VCG |
919 | if (expected_len != len) { |
920 | BT_ERR("load_keys: expected %u bytes, got %u bytes", | |
921 | len, expected_len); | |
b7059136 | 922 | return cmd_status(sk, index, MGMT_OP_LOAD_KEYS, EINVAL); |
55ed8ca1 JH |
923 | } |
924 | ||
4e51eae9 | 925 | hdev = hci_dev_get(index); |
55ed8ca1 | 926 | if (!hdev) |
4e51eae9 | 927 | return cmd_status(sk, index, MGMT_OP_LOAD_KEYS, ENODEV); |
55ed8ca1 | 928 | |
4e51eae9 | 929 | BT_DBG("hci%u debug_keys %u key_count %u", index, cp->debug_keys, |
55ed8ca1 JH |
930 | key_count); |
931 | ||
8c156c32 | 932 | hci_dev_lock_bh(hdev); |
55ed8ca1 JH |
933 | |
934 | hci_link_keys_clear(hdev); | |
935 | ||
936 | set_bit(HCI_LINK_KEYS, &hdev->flags); | |
937 | ||
938 | if (cp->debug_keys) | |
939 | set_bit(HCI_DEBUG_KEYS, &hdev->flags); | |
940 | else | |
941 | clear_bit(HCI_DEBUG_KEYS, &hdev->flags); | |
942 | ||
a492cd52 VCG |
943 | for (i = 0; i < key_count; i++) { |
944 | struct mgmt_key_info *key = &cp->keys[i]; | |
55ed8ca1 | 945 | |
d25e28ab | 946 | hci_add_link_key(hdev, NULL, 0, &key->bdaddr, key->val, key->type, |
55ed8ca1 JH |
947 | key->pin_len); |
948 | } | |
949 | ||
8c156c32 | 950 | hci_dev_unlock_bh(hdev); |
55ed8ca1 JH |
951 | hci_dev_put(hdev); |
952 | ||
a492cd52 | 953 | return 0; |
55ed8ca1 JH |
954 | } |
955 | ||
4e51eae9 | 956 | static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len) |
55ed8ca1 JH |
957 | { |
958 | struct hci_dev *hdev; | |
959 | struct mgmt_cp_remove_key *cp; | |
960 | struct hci_conn *conn; | |
55ed8ca1 JH |
961 | int err; |
962 | ||
963 | cp = (void *) data; | |
55ed8ca1 | 964 | |
bdce7baf SJ |
965 | if (len != sizeof(*cp)) |
966 | return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, EINVAL); | |
967 | ||
4e51eae9 | 968 | hdev = hci_dev_get(index); |
55ed8ca1 | 969 | if (!hdev) |
4e51eae9 | 970 | return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, ENODEV); |
55ed8ca1 | 971 | |
8c156c32 | 972 | hci_dev_lock_bh(hdev); |
55ed8ca1 JH |
973 | |
974 | err = hci_remove_link_key(hdev, &cp->bdaddr); | |
975 | if (err < 0) { | |
4e51eae9 | 976 | err = cmd_status(sk, index, MGMT_OP_REMOVE_KEY, -err); |
55ed8ca1 JH |
977 | goto unlock; |
978 | } | |
979 | ||
980 | err = 0; | |
981 | ||
982 | if (!test_bit(HCI_UP, &hdev->flags) || !cp->disconnect) | |
983 | goto unlock; | |
984 | ||
985 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
986 | if (conn) { | |
987 | struct hci_cp_disconnect dc; | |
988 | ||
989 | put_unaligned_le16(conn->handle, &dc.handle); | |
990 | dc.reason = 0x13; /* Remote User Terminated Connection */ | |
94ac0272 | 991 | err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); |
55ed8ca1 JH |
992 | } |
993 | ||
994 | unlock: | |
8c156c32 | 995 | hci_dev_unlock_bh(hdev); |
55ed8ca1 JH |
996 | hci_dev_put(hdev); |
997 | ||
998 | return err; | |
999 | } | |
1000 | ||
4e51eae9 | 1001 | static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len) |
8962ee74 JH |
1002 | { |
1003 | struct hci_dev *hdev; | |
1004 | struct mgmt_cp_disconnect *cp; | |
1005 | struct hci_cp_disconnect dc; | |
366a0336 | 1006 | struct pending_cmd *cmd; |
8962ee74 | 1007 | struct hci_conn *conn; |
8962ee74 JH |
1008 | int err; |
1009 | ||
1010 | BT_DBG(""); | |
1011 | ||
1012 | cp = (void *) data; | |
8962ee74 | 1013 | |
bdce7baf SJ |
1014 | if (len != sizeof(*cp)) |
1015 | return cmd_status(sk, index, MGMT_OP_DISCONNECT, EINVAL); | |
1016 | ||
4e51eae9 | 1017 | hdev = hci_dev_get(index); |
8962ee74 | 1018 | if (!hdev) |
4e51eae9 | 1019 | return cmd_status(sk, index, MGMT_OP_DISCONNECT, ENODEV); |
8962ee74 | 1020 | |
8c156c32 | 1021 | hci_dev_lock_bh(hdev); |
8962ee74 JH |
1022 | |
1023 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
4e51eae9 | 1024 | err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENETDOWN); |
8962ee74 JH |
1025 | goto failed; |
1026 | } | |
1027 | ||
4e51eae9 SJ |
1028 | if (mgmt_pending_find(MGMT_OP_DISCONNECT, index)) { |
1029 | err = cmd_status(sk, index, MGMT_OP_DISCONNECT, EBUSY); | |
8962ee74 JH |
1030 | goto failed; |
1031 | } | |
1032 | ||
1033 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
365227e5 VCG |
1034 | if (!conn) |
1035 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->bdaddr); | |
1036 | ||
8962ee74 | 1037 | if (!conn) { |
4e51eae9 | 1038 | err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENOTCONN); |
8962ee74 JH |
1039 | goto failed; |
1040 | } | |
1041 | ||
4e51eae9 | 1042 | cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, index, data, len); |
366a0336 JH |
1043 | if (!cmd) { |
1044 | err = -ENOMEM; | |
8962ee74 | 1045 | goto failed; |
366a0336 | 1046 | } |
8962ee74 JH |
1047 | |
1048 | put_unaligned_le16(conn->handle, &dc.handle); | |
1049 | dc.reason = 0x13; /* Remote User Terminated Connection */ | |
1050 | ||
1051 | err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); | |
1052 | if (err < 0) | |
a664b5bc | 1053 | mgmt_pending_remove(cmd); |
8962ee74 JH |
1054 | |
1055 | failed: | |
8c156c32 | 1056 | hci_dev_unlock_bh(hdev); |
8962ee74 JH |
1057 | hci_dev_put(hdev); |
1058 | ||
1059 | return err; | |
1060 | } | |
1061 | ||
8ce6284e | 1062 | static int get_connections(struct sock *sk, u16 index) |
2784eb41 | 1063 | { |
2784eb41 JH |
1064 | struct mgmt_rp_get_connections *rp; |
1065 | struct hci_dev *hdev; | |
8035ded4 | 1066 | struct hci_conn *c; |
2784eb41 | 1067 | struct list_head *p; |
a38528f1 | 1068 | size_t rp_len; |
4e51eae9 | 1069 | u16 count; |
2784eb41 JH |
1070 | int i, err; |
1071 | ||
1072 | BT_DBG(""); | |
1073 | ||
4e51eae9 | 1074 | hdev = hci_dev_get(index); |
2784eb41 | 1075 | if (!hdev) |
4e51eae9 | 1076 | return cmd_status(sk, index, MGMT_OP_GET_CONNECTIONS, ENODEV); |
2784eb41 | 1077 | |
8c156c32 | 1078 | hci_dev_lock_bh(hdev); |
2784eb41 JH |
1079 | |
1080 | count = 0; | |
1081 | list_for_each(p, &hdev->conn_hash.list) { | |
1082 | count++; | |
1083 | } | |
1084 | ||
a38528f1 JH |
1085 | rp_len = sizeof(*rp) + (count * sizeof(bdaddr_t)); |
1086 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
1087 | if (!rp) { | |
2784eb41 JH |
1088 | err = -ENOMEM; |
1089 | goto unlock; | |
1090 | } | |
1091 | ||
2784eb41 JH |
1092 | put_unaligned_le16(count, &rp->conn_count); |
1093 | ||
2784eb41 | 1094 | i = 0; |
8035ded4 | 1095 | list_for_each_entry(c, &hdev->conn_hash.list, list) |
2784eb41 | 1096 | bacpy(&rp->conn[i++], &c->dst); |
2784eb41 | 1097 | |
4e51eae9 | 1098 | err = cmd_complete(sk, index, MGMT_OP_GET_CONNECTIONS, rp, rp_len); |
2784eb41 JH |
1099 | |
1100 | unlock: | |
a38528f1 | 1101 | kfree(rp); |
8c156c32 | 1102 | hci_dev_unlock_bh(hdev); |
2784eb41 JH |
1103 | hci_dev_put(hdev); |
1104 | return err; | |
1105 | } | |
1106 | ||
96d97a67 WR |
1107 | static int send_pin_code_neg_reply(struct sock *sk, u16 index, |
1108 | struct hci_dev *hdev, struct mgmt_cp_pin_code_neg_reply *cp) | |
1109 | { | |
1110 | struct pending_cmd *cmd; | |
1111 | int err; | |
1112 | ||
1113 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, index, cp, | |
1114 | sizeof(*cp)); | |
1115 | if (!cmd) | |
1116 | return -ENOMEM; | |
1117 | ||
1118 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, sizeof(cp->bdaddr), | |
1119 | &cp->bdaddr); | |
1120 | if (err < 0) | |
1121 | mgmt_pending_remove(cmd); | |
1122 | ||
1123 | return err; | |
1124 | } | |
1125 | ||
4e51eae9 SJ |
1126 | static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data, |
1127 | u16 len) | |
980e1a53 JH |
1128 | { |
1129 | struct hci_dev *hdev; | |
96d97a67 | 1130 | struct hci_conn *conn; |
980e1a53 | 1131 | struct mgmt_cp_pin_code_reply *cp; |
96d97a67 | 1132 | struct mgmt_cp_pin_code_neg_reply ncp; |
980e1a53 | 1133 | struct hci_cp_pin_code_reply reply; |
366a0336 | 1134 | struct pending_cmd *cmd; |
980e1a53 JH |
1135 | int err; |
1136 | ||
1137 | BT_DBG(""); | |
1138 | ||
1139 | cp = (void *) data; | |
980e1a53 | 1140 | |
bdce7baf SJ |
1141 | if (len != sizeof(*cp)) |
1142 | return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, EINVAL); | |
1143 | ||
4e51eae9 | 1144 | hdev = hci_dev_get(index); |
980e1a53 | 1145 | if (!hdev) |
4e51eae9 | 1146 | return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENODEV); |
980e1a53 | 1147 | |
8c156c32 | 1148 | hci_dev_lock_bh(hdev); |
980e1a53 JH |
1149 | |
1150 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
4e51eae9 | 1151 | err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENETDOWN); |
980e1a53 JH |
1152 | goto failed; |
1153 | } | |
1154 | ||
96d97a67 WR |
1155 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); |
1156 | if (!conn) { | |
1157 | err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENOTCONN); | |
1158 | goto failed; | |
1159 | } | |
1160 | ||
1161 | if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) { | |
1162 | bacpy(&ncp.bdaddr, &cp->bdaddr); | |
1163 | ||
1164 | BT_ERR("PIN code is not 16 bytes long"); | |
1165 | ||
1166 | err = send_pin_code_neg_reply(sk, index, hdev, &ncp); | |
1167 | if (err >= 0) | |
1168 | err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, | |
1169 | EINVAL); | |
1170 | ||
1171 | goto failed; | |
1172 | } | |
1173 | ||
4e51eae9 | 1174 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, index, data, len); |
366a0336 JH |
1175 | if (!cmd) { |
1176 | err = -ENOMEM; | |
980e1a53 | 1177 | goto failed; |
366a0336 | 1178 | } |
980e1a53 JH |
1179 | |
1180 | bacpy(&reply.bdaddr, &cp->bdaddr); | |
1181 | reply.pin_len = cp->pin_len; | |
24718ca5 | 1182 | memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code)); |
980e1a53 JH |
1183 | |
1184 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply); | |
1185 | if (err < 0) | |
a664b5bc | 1186 | mgmt_pending_remove(cmd); |
980e1a53 JH |
1187 | |
1188 | failed: | |
8c156c32 | 1189 | hci_dev_unlock_bh(hdev); |
980e1a53 JH |
1190 | hci_dev_put(hdev); |
1191 | ||
1192 | return err; | |
1193 | } | |
1194 | ||
4e51eae9 SJ |
1195 | static int pin_code_neg_reply(struct sock *sk, u16 index, unsigned char *data, |
1196 | u16 len) | |
980e1a53 JH |
1197 | { |
1198 | struct hci_dev *hdev; | |
1199 | struct mgmt_cp_pin_code_neg_reply *cp; | |
980e1a53 JH |
1200 | int err; |
1201 | ||
1202 | BT_DBG(""); | |
1203 | ||
1204 | cp = (void *) data; | |
980e1a53 | 1205 | |
bdce7baf SJ |
1206 | if (len != sizeof(*cp)) |
1207 | return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY, | |
1208 | EINVAL); | |
1209 | ||
4e51eae9 | 1210 | hdev = hci_dev_get(index); |
980e1a53 | 1211 | if (!hdev) |
4e51eae9 SJ |
1212 | return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY, |
1213 | ENODEV); | |
980e1a53 | 1214 | |
8c156c32 | 1215 | hci_dev_lock_bh(hdev); |
980e1a53 JH |
1216 | |
1217 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
4e51eae9 SJ |
1218 | err = cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY, |
1219 | ENETDOWN); | |
980e1a53 JH |
1220 | goto failed; |
1221 | } | |
1222 | ||
96d97a67 | 1223 | err = send_pin_code_neg_reply(sk, index, hdev, cp); |
980e1a53 JH |
1224 | |
1225 | failed: | |
8c156c32 | 1226 | hci_dev_unlock_bh(hdev); |
980e1a53 JH |
1227 | hci_dev_put(hdev); |
1228 | ||
1229 | return err; | |
1230 | } | |
1231 | ||
4e51eae9 SJ |
1232 | static int set_io_capability(struct sock *sk, u16 index, unsigned char *data, |
1233 | u16 len) | |
17fa4b9d JH |
1234 | { |
1235 | struct hci_dev *hdev; | |
1236 | struct mgmt_cp_set_io_capability *cp; | |
17fa4b9d JH |
1237 | |
1238 | BT_DBG(""); | |
1239 | ||
1240 | cp = (void *) data; | |
17fa4b9d | 1241 | |
bdce7baf | 1242 | if (len != sizeof(*cp)) |
b8534e0f | 1243 | return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, EINVAL); |
bdce7baf | 1244 | |
4e51eae9 | 1245 | hdev = hci_dev_get(index); |
17fa4b9d | 1246 | if (!hdev) |
4e51eae9 | 1247 | return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, ENODEV); |
17fa4b9d | 1248 | |
8c156c32 | 1249 | hci_dev_lock_bh(hdev); |
17fa4b9d JH |
1250 | |
1251 | hdev->io_capability = cp->io_capability; | |
1252 | ||
1253 | BT_DBG("%s IO capability set to 0x%02x", hdev->name, | |
b8534e0f | 1254 | hdev->io_capability); |
17fa4b9d | 1255 | |
8c156c32 | 1256 | hci_dev_unlock_bh(hdev); |
17fa4b9d JH |
1257 | hci_dev_put(hdev); |
1258 | ||
4e51eae9 | 1259 | return cmd_complete(sk, index, MGMT_OP_SET_IO_CAPABILITY, NULL, 0); |
17fa4b9d JH |
1260 | } |
1261 | ||
e9a416b5 JH |
1262 | static inline struct pending_cmd *find_pairing(struct hci_conn *conn) |
1263 | { | |
1264 | struct hci_dev *hdev = conn->hdev; | |
8035ded4 | 1265 | struct pending_cmd *cmd; |
e9a416b5 | 1266 | |
8035ded4 | 1267 | list_for_each_entry(cmd, &cmd_list, list) { |
e9a416b5 JH |
1268 | if (cmd->opcode != MGMT_OP_PAIR_DEVICE) |
1269 | continue; | |
1270 | ||
1271 | if (cmd->index != hdev->id) | |
1272 | continue; | |
1273 | ||
1274 | if (cmd->user_data != conn) | |
1275 | continue; | |
1276 | ||
1277 | return cmd; | |
1278 | } | |
1279 | ||
1280 | return NULL; | |
1281 | } | |
1282 | ||
1283 | static void pairing_complete(struct pending_cmd *cmd, u8 status) | |
1284 | { | |
1285 | struct mgmt_rp_pair_device rp; | |
1286 | struct hci_conn *conn = cmd->user_data; | |
1287 | ||
e9a416b5 JH |
1288 | bacpy(&rp.bdaddr, &conn->dst); |
1289 | rp.status = status; | |
1290 | ||
4e51eae9 | 1291 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, &rp, sizeof(rp)); |
e9a416b5 JH |
1292 | |
1293 | /* So we don't get further callbacks for this connection */ | |
1294 | conn->connect_cfm_cb = NULL; | |
1295 | conn->security_cfm_cb = NULL; | |
1296 | conn->disconn_cfm_cb = NULL; | |
1297 | ||
1298 | hci_conn_put(conn); | |
1299 | ||
a664b5bc | 1300 | mgmt_pending_remove(cmd); |
e9a416b5 JH |
1301 | } |
1302 | ||
1303 | static void pairing_complete_cb(struct hci_conn *conn, u8 status) | |
1304 | { | |
1305 | struct pending_cmd *cmd; | |
1306 | ||
1307 | BT_DBG("status %u", status); | |
1308 | ||
1309 | cmd = find_pairing(conn); | |
1310 | if (!cmd) { | |
1311 | BT_DBG("Unable to find a pending command"); | |
1312 | return; | |
1313 | } | |
1314 | ||
1315 | pairing_complete(cmd, status); | |
1316 | } | |
1317 | ||
4e51eae9 | 1318 | static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len) |
e9a416b5 JH |
1319 | { |
1320 | struct hci_dev *hdev; | |
1321 | struct mgmt_cp_pair_device *cp; | |
1322 | struct pending_cmd *cmd; | |
7a512d01 | 1323 | struct adv_entry *entry; |
e9a416b5 JH |
1324 | u8 sec_level, auth_type; |
1325 | struct hci_conn *conn; | |
e9a416b5 JH |
1326 | int err; |
1327 | ||
1328 | BT_DBG(""); | |
1329 | ||
1330 | cp = (void *) data; | |
e9a416b5 | 1331 | |
bdce7baf SJ |
1332 | if (len != sizeof(*cp)) |
1333 | return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, EINVAL); | |
1334 | ||
4e51eae9 | 1335 | hdev = hci_dev_get(index); |
e9a416b5 | 1336 | if (!hdev) |
4e51eae9 | 1337 | return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, ENODEV); |
e9a416b5 | 1338 | |
8c156c32 | 1339 | hci_dev_lock_bh(hdev); |
e9a416b5 | 1340 | |
c908df36 VCG |
1341 | sec_level = BT_SECURITY_MEDIUM; |
1342 | if (cp->io_cap == 0x03) | |
e9a416b5 | 1343 | auth_type = HCI_AT_DEDICATED_BONDING; |
c908df36 | 1344 | else |
e9a416b5 | 1345 | auth_type = HCI_AT_DEDICATED_BONDING_MITM; |
e9a416b5 | 1346 | |
7a512d01 VCG |
1347 | entry = hci_find_adv_entry(hdev, &cp->bdaddr); |
1348 | if (entry) | |
1349 | conn = hci_connect(hdev, LE_LINK, &cp->bdaddr, sec_level, | |
1350 | auth_type); | |
1351 | else | |
1352 | conn = hci_connect(hdev, ACL_LINK, &cp->bdaddr, sec_level, | |
1353 | auth_type); | |
1354 | ||
30e76272 VT |
1355 | if (IS_ERR(conn)) { |
1356 | err = PTR_ERR(conn); | |
e9a416b5 JH |
1357 | goto unlock; |
1358 | } | |
1359 | ||
1360 | if (conn->connect_cfm_cb) { | |
1361 | hci_conn_put(conn); | |
4e51eae9 | 1362 | err = cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, EBUSY); |
e9a416b5 JH |
1363 | goto unlock; |
1364 | } | |
1365 | ||
4e51eae9 | 1366 | cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, index, data, len); |
e9a416b5 JH |
1367 | if (!cmd) { |
1368 | err = -ENOMEM; | |
1369 | hci_conn_put(conn); | |
1370 | goto unlock; | |
1371 | } | |
1372 | ||
7a512d01 VCG |
1373 | /* For LE, just connecting isn't a proof that the pairing finished */ |
1374 | if (!entry) | |
1375 | conn->connect_cfm_cb = pairing_complete_cb; | |
1376 | ||
e9a416b5 JH |
1377 | conn->security_cfm_cb = pairing_complete_cb; |
1378 | conn->disconn_cfm_cb = pairing_complete_cb; | |
1379 | conn->io_capability = cp->io_cap; | |
1380 | cmd->user_data = conn; | |
1381 | ||
1382 | if (conn->state == BT_CONNECTED && | |
1383 | hci_conn_security(conn, sec_level, auth_type)) | |
1384 | pairing_complete(cmd, 0); | |
1385 | ||
1386 | err = 0; | |
1387 | ||
1388 | unlock: | |
8c156c32 | 1389 | hci_dev_unlock_bh(hdev); |
e9a416b5 JH |
1390 | hci_dev_put(hdev); |
1391 | ||
1392 | return err; | |
1393 | } | |
1394 | ||
4e51eae9 SJ |
1395 | static int user_confirm_reply(struct sock *sk, u16 index, unsigned char *data, |
1396 | u16 len, int success) | |
a5c29683 JH |
1397 | { |
1398 | struct mgmt_cp_user_confirm_reply *cp = (void *) data; | |
4e51eae9 | 1399 | u16 mgmt_op, hci_op; |
a5c29683 JH |
1400 | struct pending_cmd *cmd; |
1401 | struct hci_dev *hdev; | |
1402 | int err; | |
1403 | ||
1404 | BT_DBG(""); | |
1405 | ||
a5c29683 JH |
1406 | if (success) { |
1407 | mgmt_op = MGMT_OP_USER_CONFIRM_REPLY; | |
1408 | hci_op = HCI_OP_USER_CONFIRM_REPLY; | |
1409 | } else { | |
1410 | mgmt_op = MGMT_OP_USER_CONFIRM_NEG_REPLY; | |
1411 | hci_op = HCI_OP_USER_CONFIRM_NEG_REPLY; | |
1412 | } | |
1413 | ||
bdce7baf SJ |
1414 | if (len != sizeof(*cp)) |
1415 | return cmd_status(sk, index, mgmt_op, EINVAL); | |
1416 | ||
4e51eae9 | 1417 | hdev = hci_dev_get(index); |
a5c29683 | 1418 | if (!hdev) |
4e51eae9 | 1419 | return cmd_status(sk, index, mgmt_op, ENODEV); |
a5c29683 | 1420 | |
8c156c32 | 1421 | hci_dev_lock_bh(hdev); |
08ba5382 | 1422 | |
a5c29683 | 1423 | if (!test_bit(HCI_UP, &hdev->flags)) { |
4e51eae9 | 1424 | err = cmd_status(sk, index, mgmt_op, ENETDOWN); |
a5c29683 JH |
1425 | goto failed; |
1426 | } | |
1427 | ||
4e51eae9 | 1428 | cmd = mgmt_pending_add(sk, mgmt_op, index, data, len); |
a5c29683 JH |
1429 | if (!cmd) { |
1430 | err = -ENOMEM; | |
1431 | goto failed; | |
1432 | } | |
1433 | ||
1434 | err = hci_send_cmd(hdev, hci_op, sizeof(cp->bdaddr), &cp->bdaddr); | |
a664b5bc JH |
1435 | if (err < 0) |
1436 | mgmt_pending_remove(cmd); | |
a5c29683 JH |
1437 | |
1438 | failed: | |
8c156c32 | 1439 | hci_dev_unlock_bh(hdev); |
a5c29683 JH |
1440 | hci_dev_put(hdev); |
1441 | ||
1442 | return err; | |
1443 | } | |
1444 | ||
b312b161 JH |
1445 | static int set_local_name(struct sock *sk, u16 index, unsigned char *data, |
1446 | u16 len) | |
1447 | { | |
1448 | struct mgmt_cp_set_local_name *mgmt_cp = (void *) data; | |
1449 | struct hci_cp_write_local_name hci_cp; | |
1450 | struct hci_dev *hdev; | |
1451 | struct pending_cmd *cmd; | |
1452 | int err; | |
1453 | ||
1454 | BT_DBG(""); | |
1455 | ||
1456 | if (len != sizeof(*mgmt_cp)) | |
1457 | return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, EINVAL); | |
1458 | ||
1459 | hdev = hci_dev_get(index); | |
1460 | if (!hdev) | |
1461 | return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, ENODEV); | |
1462 | ||
8c156c32 | 1463 | hci_dev_lock_bh(hdev); |
b312b161 JH |
1464 | |
1465 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, index, data, len); | |
1466 | if (!cmd) { | |
1467 | err = -ENOMEM; | |
1468 | goto failed; | |
1469 | } | |
1470 | ||
1471 | memcpy(hci_cp.name, mgmt_cp->name, sizeof(hci_cp.name)); | |
1472 | err = hci_send_cmd(hdev, HCI_OP_WRITE_LOCAL_NAME, sizeof(hci_cp), | |
1473 | &hci_cp); | |
1474 | if (err < 0) | |
1475 | mgmt_pending_remove(cmd); | |
1476 | ||
1477 | failed: | |
8c156c32 | 1478 | hci_dev_unlock_bh(hdev); |
b312b161 JH |
1479 | hci_dev_put(hdev); |
1480 | ||
1481 | return err; | |
1482 | } | |
1483 | ||
c35938b2 SJ |
1484 | static int read_local_oob_data(struct sock *sk, u16 index) |
1485 | { | |
1486 | struct hci_dev *hdev; | |
1487 | struct pending_cmd *cmd; | |
1488 | int err; | |
1489 | ||
1490 | BT_DBG("hci%u", index); | |
1491 | ||
1492 | hdev = hci_dev_get(index); | |
1493 | if (!hdev) | |
1494 | return cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, | |
1495 | ENODEV); | |
1496 | ||
8c156c32 | 1497 | hci_dev_lock_bh(hdev); |
c35938b2 SJ |
1498 | |
1499 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
1500 | err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, | |
1501 | ENETDOWN); | |
1502 | goto unlock; | |
1503 | } | |
1504 | ||
1505 | if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) { | |
1506 | err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, | |
1507 | EOPNOTSUPP); | |
1508 | goto unlock; | |
1509 | } | |
1510 | ||
1511 | if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, index)) { | |
1512 | err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, EBUSY); | |
1513 | goto unlock; | |
1514 | } | |
1515 | ||
1516 | cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, index, NULL, 0); | |
1517 | if (!cmd) { | |
1518 | err = -ENOMEM; | |
1519 | goto unlock; | |
1520 | } | |
1521 | ||
1522 | err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL); | |
1523 | if (err < 0) | |
1524 | mgmt_pending_remove(cmd); | |
1525 | ||
1526 | unlock: | |
8c156c32 | 1527 | hci_dev_unlock_bh(hdev); |
c35938b2 SJ |
1528 | hci_dev_put(hdev); |
1529 | ||
1530 | return err; | |
1531 | } | |
1532 | ||
2763eda6 SJ |
1533 | static int add_remote_oob_data(struct sock *sk, u16 index, unsigned char *data, |
1534 | u16 len) | |
1535 | { | |
1536 | struct hci_dev *hdev; | |
1537 | struct mgmt_cp_add_remote_oob_data *cp = (void *) data; | |
1538 | int err; | |
1539 | ||
1540 | BT_DBG("hci%u ", index); | |
1541 | ||
1542 | if (len != sizeof(*cp)) | |
1543 | return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, | |
1544 | EINVAL); | |
1545 | ||
1546 | hdev = hci_dev_get(index); | |
1547 | if (!hdev) | |
1548 | return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, | |
1549 | ENODEV); | |
1550 | ||
8c156c32 | 1551 | hci_dev_lock_bh(hdev); |
2763eda6 SJ |
1552 | |
1553 | err = hci_add_remote_oob_data(hdev, &cp->bdaddr, cp->hash, | |
1554 | cp->randomizer); | |
1555 | if (err < 0) | |
1556 | err = cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, -err); | |
1557 | else | |
1558 | err = cmd_complete(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, NULL, | |
1559 | 0); | |
1560 | ||
8c156c32 | 1561 | hci_dev_unlock_bh(hdev); |
2763eda6 SJ |
1562 | hci_dev_put(hdev); |
1563 | ||
1564 | return err; | |
1565 | } | |
1566 | ||
1567 | static int remove_remote_oob_data(struct sock *sk, u16 index, | |
1568 | unsigned char *data, u16 len) | |
1569 | { | |
1570 | struct hci_dev *hdev; | |
1571 | struct mgmt_cp_remove_remote_oob_data *cp = (void *) data; | |
1572 | int err; | |
1573 | ||
1574 | BT_DBG("hci%u ", index); | |
1575 | ||
1576 | if (len != sizeof(*cp)) | |
1577 | return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
1578 | EINVAL); | |
1579 | ||
1580 | hdev = hci_dev_get(index); | |
1581 | if (!hdev) | |
1582 | return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
1583 | ENODEV); | |
1584 | ||
8c156c32 | 1585 | hci_dev_lock_bh(hdev); |
2763eda6 SJ |
1586 | |
1587 | err = hci_remove_remote_oob_data(hdev, &cp->bdaddr); | |
1588 | if (err < 0) | |
1589 | err = cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
1590 | -err); | |
1591 | else | |
1592 | err = cmd_complete(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
1593 | NULL, 0); | |
1594 | ||
8c156c32 | 1595 | hci_dev_unlock_bh(hdev); |
2763eda6 SJ |
1596 | hci_dev_put(hdev); |
1597 | ||
1598 | return err; | |
1599 | } | |
1600 | ||
14a53664 JH |
1601 | static int start_discovery(struct sock *sk, u16 index) |
1602 | { | |
14a53664 JH |
1603 | struct pending_cmd *cmd; |
1604 | struct hci_dev *hdev; | |
1605 | int err; | |
1606 | ||
1607 | BT_DBG("hci%u", index); | |
1608 | ||
1609 | hdev = hci_dev_get(index); | |
1610 | if (!hdev) | |
1611 | return cmd_status(sk, index, MGMT_OP_START_DISCOVERY, ENODEV); | |
1612 | ||
1613 | hci_dev_lock_bh(hdev); | |
1614 | ||
1615 | cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, index, NULL, 0); | |
1616 | if (!cmd) { | |
1617 | err = -ENOMEM; | |
1618 | goto failed; | |
1619 | } | |
1620 | ||
2519a1fc | 1621 | err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR); |
14a53664 JH |
1622 | if (err < 0) |
1623 | mgmt_pending_remove(cmd); | |
1624 | ||
1625 | failed: | |
1626 | hci_dev_unlock_bh(hdev); | |
1627 | hci_dev_put(hdev); | |
1628 | ||
1629 | return err; | |
1630 | } | |
1631 | ||
1632 | static int stop_discovery(struct sock *sk, u16 index) | |
1633 | { | |
1634 | struct hci_dev *hdev; | |
1635 | struct pending_cmd *cmd; | |
1636 | int err; | |
1637 | ||
1638 | BT_DBG("hci%u", index); | |
1639 | ||
1640 | hdev = hci_dev_get(index); | |
1641 | if (!hdev) | |
1642 | return cmd_status(sk, index, MGMT_OP_STOP_DISCOVERY, ENODEV); | |
1643 | ||
1644 | hci_dev_lock_bh(hdev); | |
1645 | ||
1646 | cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, index, NULL, 0); | |
1647 | if (!cmd) { | |
1648 | err = -ENOMEM; | |
1649 | goto failed; | |
1650 | } | |
1651 | ||
023d5049 | 1652 | err = hci_cancel_inquiry(hdev); |
14a53664 JH |
1653 | if (err < 0) |
1654 | mgmt_pending_remove(cmd); | |
1655 | ||
1656 | failed: | |
1657 | hci_dev_unlock_bh(hdev); | |
1658 | hci_dev_put(hdev); | |
1659 | ||
1660 | return err; | |
1661 | } | |
1662 | ||
7fbec224 AJ |
1663 | static int block_device(struct sock *sk, u16 index, unsigned char *data, |
1664 | u16 len) | |
1665 | { | |
1666 | struct hci_dev *hdev; | |
5e762444 AJ |
1667 | struct pending_cmd *cmd; |
1668 | struct mgmt_cp_block_device *cp = (void *) data; | |
7fbec224 AJ |
1669 | int err; |
1670 | ||
1671 | BT_DBG("hci%u", index); | |
1672 | ||
7fbec224 AJ |
1673 | if (len != sizeof(*cp)) |
1674 | return cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE, | |
1675 | EINVAL); | |
1676 | ||
1677 | hdev = hci_dev_get(index); | |
1678 | if (!hdev) | |
1679 | return cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE, | |
1680 | ENODEV); | |
1681 | ||
5e762444 AJ |
1682 | hci_dev_lock_bh(hdev); |
1683 | ||
1684 | cmd = mgmt_pending_add(sk, MGMT_OP_BLOCK_DEVICE, index, NULL, 0); | |
1685 | if (!cmd) { | |
1686 | err = -ENOMEM; | |
1687 | goto failed; | |
1688 | } | |
1689 | ||
7fbec224 AJ |
1690 | err = hci_blacklist_add(hdev, &cp->bdaddr); |
1691 | ||
1692 | if (err < 0) | |
1693 | err = cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE, -err); | |
1694 | else | |
1695 | err = cmd_complete(sk, index, MGMT_OP_BLOCK_DEVICE, | |
1696 | NULL, 0); | |
5e762444 AJ |
1697 | |
1698 | mgmt_pending_remove(cmd); | |
1699 | ||
1700 | failed: | |
1701 | hci_dev_unlock_bh(hdev); | |
7fbec224 AJ |
1702 | hci_dev_put(hdev); |
1703 | ||
1704 | return err; | |
1705 | } | |
1706 | ||
1707 | static int unblock_device(struct sock *sk, u16 index, unsigned char *data, | |
1708 | u16 len) | |
1709 | { | |
1710 | struct hci_dev *hdev; | |
5e762444 AJ |
1711 | struct pending_cmd *cmd; |
1712 | struct mgmt_cp_unblock_device *cp = (void *) data; | |
7fbec224 AJ |
1713 | int err; |
1714 | ||
1715 | BT_DBG("hci%u", index); | |
1716 | ||
7fbec224 AJ |
1717 | if (len != sizeof(*cp)) |
1718 | return cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE, | |
1719 | EINVAL); | |
1720 | ||
1721 | hdev = hci_dev_get(index); | |
1722 | if (!hdev) | |
1723 | return cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE, | |
1724 | ENODEV); | |
1725 | ||
5e762444 AJ |
1726 | hci_dev_lock_bh(hdev); |
1727 | ||
1728 | cmd = mgmt_pending_add(sk, MGMT_OP_UNBLOCK_DEVICE, index, NULL, 0); | |
1729 | if (!cmd) { | |
1730 | err = -ENOMEM; | |
1731 | goto failed; | |
1732 | } | |
1733 | ||
7fbec224 AJ |
1734 | err = hci_blacklist_del(hdev, &cp->bdaddr); |
1735 | ||
1736 | if (err < 0) | |
1737 | err = cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE, -err); | |
1738 | else | |
1739 | err = cmd_complete(sk, index, MGMT_OP_UNBLOCK_DEVICE, | |
1740 | NULL, 0); | |
5e762444 AJ |
1741 | |
1742 | mgmt_pending_remove(cmd); | |
1743 | ||
1744 | failed: | |
1745 | hci_dev_unlock_bh(hdev); | |
7fbec224 AJ |
1746 | hci_dev_put(hdev); |
1747 | ||
1748 | return err; | |
1749 | } | |
1750 | ||
f6422ec6 AJ |
1751 | static int set_fast_connectable(struct sock *sk, u16 index, |
1752 | unsigned char *data, u16 len) | |
1753 | { | |
1754 | struct hci_dev *hdev; | |
1755 | struct mgmt_cp_set_fast_connectable *cp = (void *) data; | |
1756 | struct hci_cp_write_page_scan_activity acp; | |
1757 | u8 type; | |
1758 | int err; | |
1759 | ||
1760 | BT_DBG("hci%u", index); | |
1761 | ||
1762 | if (len != sizeof(*cp)) | |
1763 | return cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE, | |
1764 | EINVAL); | |
1765 | ||
1766 | hdev = hci_dev_get(index); | |
1767 | if (!hdev) | |
1768 | return cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE, | |
1769 | ENODEV); | |
1770 | ||
1771 | hci_dev_lock(hdev); | |
1772 | ||
1773 | if (cp->enable) { | |
1774 | type = PAGE_SCAN_TYPE_INTERLACED; | |
1775 | acp.interval = 0x0024; /* 22.5 msec page scan interval */ | |
1776 | } else { | |
1777 | type = PAGE_SCAN_TYPE_STANDARD; /* default */ | |
1778 | acp.interval = 0x0800; /* default 1.28 sec page scan */ | |
1779 | } | |
1780 | ||
1781 | acp.window = 0x0012; /* default 11.25 msec page scan window */ | |
1782 | ||
1783 | err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, | |
1784 | sizeof(acp), &acp); | |
1785 | if (err < 0) { | |
1786 | err = cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE, | |
1787 | -err); | |
1788 | goto done; | |
1789 | } | |
1790 | ||
1791 | err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); | |
1792 | if (err < 0) { | |
1793 | err = cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE, | |
1794 | -err); | |
1795 | goto done; | |
1796 | } | |
1797 | ||
1798 | err = cmd_complete(sk, index, MGMT_OP_SET_FAST_CONNECTABLE, | |
1799 | NULL, 0); | |
1800 | done: | |
1801 | hci_dev_unlock(hdev); | |
1802 | hci_dev_put(hdev); | |
1803 | ||
1804 | return err; | |
1805 | } | |
1806 | ||
0381101f JH |
1807 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) |
1808 | { | |
1809 | unsigned char *buf; | |
1810 | struct mgmt_hdr *hdr; | |
4e51eae9 | 1811 | u16 opcode, index, len; |
0381101f JH |
1812 | int err; |
1813 | ||
1814 | BT_DBG("got %zu bytes", msglen); | |
1815 | ||
1816 | if (msglen < sizeof(*hdr)) | |
1817 | return -EINVAL; | |
1818 | ||
e63a15ec | 1819 | buf = kmalloc(msglen, GFP_KERNEL); |
0381101f JH |
1820 | if (!buf) |
1821 | return -ENOMEM; | |
1822 | ||
1823 | if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) { | |
1824 | err = -EFAULT; | |
1825 | goto done; | |
1826 | } | |
1827 | ||
1828 | hdr = (struct mgmt_hdr *) buf; | |
1829 | opcode = get_unaligned_le16(&hdr->opcode); | |
4e51eae9 | 1830 | index = get_unaligned_le16(&hdr->index); |
0381101f JH |
1831 | len = get_unaligned_le16(&hdr->len); |
1832 | ||
1833 | if (len != msglen - sizeof(*hdr)) { | |
1834 | err = -EINVAL; | |
1835 | goto done; | |
1836 | } | |
1837 | ||
1838 | switch (opcode) { | |
02d98129 JH |
1839 | case MGMT_OP_READ_VERSION: |
1840 | err = read_version(sk); | |
1841 | break; | |
faba42eb JH |
1842 | case MGMT_OP_READ_INDEX_LIST: |
1843 | err = read_index_list(sk); | |
1844 | break; | |
f7b64e69 | 1845 | case MGMT_OP_READ_INFO: |
4e51eae9 | 1846 | err = read_controller_info(sk, index); |
f7b64e69 | 1847 | break; |
eec8d2bc | 1848 | case MGMT_OP_SET_POWERED: |
4e51eae9 | 1849 | err = set_powered(sk, index, buf + sizeof(*hdr), len); |
eec8d2bc | 1850 | break; |
73f22f62 | 1851 | case MGMT_OP_SET_DISCOVERABLE: |
4e51eae9 | 1852 | err = set_discoverable(sk, index, buf + sizeof(*hdr), len); |
73f22f62 | 1853 | break; |
9fbcbb45 | 1854 | case MGMT_OP_SET_CONNECTABLE: |
4e51eae9 | 1855 | err = set_connectable(sk, index, buf + sizeof(*hdr), len); |
9fbcbb45 | 1856 | break; |
c542a06c | 1857 | case MGMT_OP_SET_PAIRABLE: |
4e51eae9 | 1858 | err = set_pairable(sk, index, buf + sizeof(*hdr), len); |
c542a06c | 1859 | break; |
2aeb9a1a | 1860 | case MGMT_OP_ADD_UUID: |
4e51eae9 | 1861 | err = add_uuid(sk, index, buf + sizeof(*hdr), len); |
2aeb9a1a JH |
1862 | break; |
1863 | case MGMT_OP_REMOVE_UUID: | |
4e51eae9 | 1864 | err = remove_uuid(sk, index, buf + sizeof(*hdr), len); |
2aeb9a1a | 1865 | break; |
1aff6f09 | 1866 | case MGMT_OP_SET_DEV_CLASS: |
4e51eae9 | 1867 | err = set_dev_class(sk, index, buf + sizeof(*hdr), len); |
1aff6f09 JH |
1868 | break; |
1869 | case MGMT_OP_SET_SERVICE_CACHE: | |
4e51eae9 | 1870 | err = set_service_cache(sk, index, buf + sizeof(*hdr), len); |
1aff6f09 | 1871 | break; |
55ed8ca1 | 1872 | case MGMT_OP_LOAD_KEYS: |
4e51eae9 | 1873 | err = load_keys(sk, index, buf + sizeof(*hdr), len); |
55ed8ca1 JH |
1874 | break; |
1875 | case MGMT_OP_REMOVE_KEY: | |
4e51eae9 | 1876 | err = remove_key(sk, index, buf + sizeof(*hdr), len); |
55ed8ca1 | 1877 | break; |
8962ee74 | 1878 | case MGMT_OP_DISCONNECT: |
4e51eae9 | 1879 | err = disconnect(sk, index, buf + sizeof(*hdr), len); |
8962ee74 | 1880 | break; |
2784eb41 | 1881 | case MGMT_OP_GET_CONNECTIONS: |
8ce6284e | 1882 | err = get_connections(sk, index); |
2784eb41 | 1883 | break; |
980e1a53 | 1884 | case MGMT_OP_PIN_CODE_REPLY: |
4e51eae9 | 1885 | err = pin_code_reply(sk, index, buf + sizeof(*hdr), len); |
980e1a53 JH |
1886 | break; |
1887 | case MGMT_OP_PIN_CODE_NEG_REPLY: | |
4e51eae9 | 1888 | err = pin_code_neg_reply(sk, index, buf + sizeof(*hdr), len); |
980e1a53 | 1889 | break; |
17fa4b9d | 1890 | case MGMT_OP_SET_IO_CAPABILITY: |
4e51eae9 | 1891 | err = set_io_capability(sk, index, buf + sizeof(*hdr), len); |
17fa4b9d | 1892 | break; |
e9a416b5 | 1893 | case MGMT_OP_PAIR_DEVICE: |
4e51eae9 | 1894 | err = pair_device(sk, index, buf + sizeof(*hdr), len); |
e9a416b5 | 1895 | break; |
a5c29683 | 1896 | case MGMT_OP_USER_CONFIRM_REPLY: |
4e51eae9 | 1897 | err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len, 1); |
a5c29683 JH |
1898 | break; |
1899 | case MGMT_OP_USER_CONFIRM_NEG_REPLY: | |
4e51eae9 | 1900 | err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len, 0); |
a5c29683 | 1901 | break; |
b312b161 JH |
1902 | case MGMT_OP_SET_LOCAL_NAME: |
1903 | err = set_local_name(sk, index, buf + sizeof(*hdr), len); | |
1904 | break; | |
c35938b2 SJ |
1905 | case MGMT_OP_READ_LOCAL_OOB_DATA: |
1906 | err = read_local_oob_data(sk, index); | |
1907 | break; | |
2763eda6 SJ |
1908 | case MGMT_OP_ADD_REMOTE_OOB_DATA: |
1909 | err = add_remote_oob_data(sk, index, buf + sizeof(*hdr), len); | |
1910 | break; | |
1911 | case MGMT_OP_REMOVE_REMOTE_OOB_DATA: | |
1912 | err = remove_remote_oob_data(sk, index, buf + sizeof(*hdr), | |
1913 | len); | |
1914 | break; | |
14a53664 JH |
1915 | case MGMT_OP_START_DISCOVERY: |
1916 | err = start_discovery(sk, index); | |
1917 | break; | |
1918 | case MGMT_OP_STOP_DISCOVERY: | |
1919 | err = stop_discovery(sk, index); | |
1920 | break; | |
7fbec224 AJ |
1921 | case MGMT_OP_BLOCK_DEVICE: |
1922 | err = block_device(sk, index, buf + sizeof(*hdr), len); | |
1923 | break; | |
1924 | case MGMT_OP_UNBLOCK_DEVICE: | |
1925 | err = unblock_device(sk, index, buf + sizeof(*hdr), len); | |
1926 | break; | |
f6422ec6 AJ |
1927 | case MGMT_OP_SET_FAST_CONNECTABLE: |
1928 | err = set_fast_connectable(sk, index, buf + sizeof(*hdr), | |
1929 | len); | |
1930 | break; | |
0381101f JH |
1931 | default: |
1932 | BT_DBG("Unknown op %u", opcode); | |
4e51eae9 | 1933 | err = cmd_status(sk, index, opcode, 0x01); |
0381101f JH |
1934 | break; |
1935 | } | |
1936 | ||
e41d8b4e JH |
1937 | if (err < 0) |
1938 | goto done; | |
1939 | ||
0381101f JH |
1940 | err = msglen; |
1941 | ||
1942 | done: | |
1943 | kfree(buf); | |
1944 | return err; | |
1945 | } | |
c71e97bf | 1946 | |
b24752fe JH |
1947 | static void cmd_status_rsp(struct pending_cmd *cmd, void *data) |
1948 | { | |
1949 | u8 *status = data; | |
1950 | ||
1951 | cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); | |
1952 | mgmt_pending_remove(cmd); | |
1953 | } | |
1954 | ||
c71e97bf JH |
1955 | int mgmt_index_added(u16 index) |
1956 | { | |
4e51eae9 | 1957 | return mgmt_event(MGMT_EV_INDEX_ADDED, index, NULL, 0, NULL); |
c71e97bf JH |
1958 | } |
1959 | ||
1960 | int mgmt_index_removed(u16 index) | |
1961 | { | |
b24752fe JH |
1962 | u8 status = ENODEV; |
1963 | ||
1964 | mgmt_pending_foreach(0, index, cmd_status_rsp, &status); | |
1965 | ||
4e51eae9 | 1966 | return mgmt_event(MGMT_EV_INDEX_REMOVED, index, NULL, 0, NULL); |
eec8d2bc JH |
1967 | } |
1968 | ||
73f22f62 | 1969 | struct cmd_lookup { |
72a734ec | 1970 | u8 val; |
eec8d2bc JH |
1971 | struct sock *sk; |
1972 | }; | |
1973 | ||
72a734ec | 1974 | static void mode_rsp(struct pending_cmd *cmd, void *data) |
eec8d2bc | 1975 | { |
c68fb7ff | 1976 | struct mgmt_mode *cp = cmd->param; |
73f22f62 | 1977 | struct cmd_lookup *match = data; |
eec8d2bc | 1978 | |
72a734ec | 1979 | if (cp->val != match->val) |
eec8d2bc JH |
1980 | return; |
1981 | ||
053f0211 | 1982 | send_mode_rsp(cmd->sk, cmd->opcode, cmd->index, cp->val); |
eec8d2bc JH |
1983 | |
1984 | list_del(&cmd->list); | |
1985 | ||
1986 | if (match->sk == NULL) { | |
1987 | match->sk = cmd->sk; | |
1988 | sock_hold(match->sk); | |
1989 | } | |
1990 | ||
1991 | mgmt_pending_free(cmd); | |
c71e97bf | 1992 | } |
5add6af8 JH |
1993 | |
1994 | int mgmt_powered(u16 index, u8 powered) | |
1995 | { | |
72a734ec | 1996 | struct mgmt_mode ev; |
73f22f62 | 1997 | struct cmd_lookup match = { powered, NULL }; |
eec8d2bc | 1998 | int ret; |
5add6af8 | 1999 | |
72a734ec | 2000 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, index, mode_rsp, &match); |
5add6af8 | 2001 | |
b24752fe JH |
2002 | if (!powered) { |
2003 | u8 status = ENETDOWN; | |
2004 | mgmt_pending_foreach(0, index, cmd_status_rsp, &status); | |
2005 | } | |
2006 | ||
72a734ec | 2007 | ev.val = powered; |
eec8d2bc | 2008 | |
4e51eae9 | 2009 | ret = mgmt_event(MGMT_EV_POWERED, index, &ev, sizeof(ev), match.sk); |
eec8d2bc JH |
2010 | |
2011 | if (match.sk) | |
2012 | sock_put(match.sk); | |
2013 | ||
2014 | return ret; | |
5add6af8 | 2015 | } |
73f22f62 | 2016 | |
73f22f62 JH |
2017 | int mgmt_discoverable(u16 index, u8 discoverable) |
2018 | { | |
72a734ec | 2019 | struct mgmt_mode ev; |
73f22f62 JH |
2020 | struct cmd_lookup match = { discoverable, NULL }; |
2021 | int ret; | |
2022 | ||
b8534e0f | 2023 | mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, index, mode_rsp, &match); |
72a734ec | 2024 | |
72a734ec | 2025 | ev.val = discoverable; |
73f22f62 | 2026 | |
4e51eae9 SJ |
2027 | ret = mgmt_event(MGMT_EV_DISCOVERABLE, index, &ev, sizeof(ev), |
2028 | match.sk); | |
73f22f62 JH |
2029 | |
2030 | if (match.sk) | |
2031 | sock_put(match.sk); | |
2032 | ||
2033 | return ret; | |
2034 | } | |
9fbcbb45 | 2035 | |
9fbcbb45 JH |
2036 | int mgmt_connectable(u16 index, u8 connectable) |
2037 | { | |
72a734ec | 2038 | struct mgmt_mode ev; |
9fbcbb45 JH |
2039 | struct cmd_lookup match = { connectable, NULL }; |
2040 | int ret; | |
2041 | ||
72a734ec | 2042 | mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, index, mode_rsp, &match); |
9fbcbb45 | 2043 | |
72a734ec | 2044 | ev.val = connectable; |
9fbcbb45 | 2045 | |
4e51eae9 | 2046 | ret = mgmt_event(MGMT_EV_CONNECTABLE, index, &ev, sizeof(ev), match.sk); |
9fbcbb45 JH |
2047 | |
2048 | if (match.sk) | |
2049 | sock_put(match.sk); | |
2050 | ||
2051 | return ret; | |
2052 | } | |
55ed8ca1 | 2053 | |
4df378a1 | 2054 | int mgmt_new_key(u16 index, struct link_key *key, u8 persistent) |
55ed8ca1 | 2055 | { |
a492cd52 | 2056 | struct mgmt_ev_new_key ev; |
55ed8ca1 | 2057 | |
a492cd52 | 2058 | memset(&ev, 0, sizeof(ev)); |
55ed8ca1 | 2059 | |
a492cd52 VCG |
2060 | ev.store_hint = persistent; |
2061 | bacpy(&ev.key.bdaddr, &key->bdaddr); | |
2062 | ev.key.type = key->type; | |
2063 | memcpy(ev.key.val, key->val, 16); | |
2064 | ev.key.pin_len = key->pin_len; | |
55ed8ca1 | 2065 | |
a492cd52 | 2066 | return mgmt_event(MGMT_EV_NEW_KEY, index, &ev, sizeof(ev), NULL); |
55ed8ca1 | 2067 | } |
f7520543 | 2068 | |
cfafccf7 | 2069 | int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type) |
f7520543 JH |
2070 | { |
2071 | struct mgmt_ev_connected ev; | |
2072 | ||
f7520543 | 2073 | bacpy(&ev.bdaddr, bdaddr); |
cfafccf7 | 2074 | ev.link_type = link_type; |
f7520543 | 2075 | |
4e51eae9 | 2076 | return mgmt_event(MGMT_EV_CONNECTED, index, &ev, sizeof(ev), NULL); |
f7520543 JH |
2077 | } |
2078 | ||
8962ee74 JH |
2079 | static void disconnect_rsp(struct pending_cmd *cmd, void *data) |
2080 | { | |
c68fb7ff | 2081 | struct mgmt_cp_disconnect *cp = cmd->param; |
8962ee74 | 2082 | struct sock **sk = data; |
a38528f1 | 2083 | struct mgmt_rp_disconnect rp; |
8962ee74 | 2084 | |
a38528f1 | 2085 | bacpy(&rp.bdaddr, &cp->bdaddr); |
8962ee74 | 2086 | |
4e51eae9 | 2087 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, &rp, sizeof(rp)); |
8962ee74 JH |
2088 | |
2089 | *sk = cmd->sk; | |
2090 | sock_hold(*sk); | |
2091 | ||
a664b5bc | 2092 | mgmt_pending_remove(cmd); |
8962ee74 JH |
2093 | } |
2094 | ||
f7520543 JH |
2095 | int mgmt_disconnected(u16 index, bdaddr_t *bdaddr) |
2096 | { | |
2097 | struct mgmt_ev_disconnected ev; | |
8962ee74 JH |
2098 | struct sock *sk = NULL; |
2099 | int err; | |
2100 | ||
2101 | mgmt_pending_foreach(MGMT_OP_DISCONNECT, index, disconnect_rsp, &sk); | |
f7520543 | 2102 | |
f7520543 JH |
2103 | bacpy(&ev.bdaddr, bdaddr); |
2104 | ||
4e51eae9 | 2105 | err = mgmt_event(MGMT_EV_DISCONNECTED, index, &ev, sizeof(ev), sk); |
8962ee74 JH |
2106 | |
2107 | if (sk) | |
2108 | sock_put(sk); | |
2109 | ||
2110 | return err; | |
2111 | } | |
2112 | ||
2113 | int mgmt_disconnect_failed(u16 index) | |
2114 | { | |
2115 | struct pending_cmd *cmd; | |
2116 | int err; | |
2117 | ||
2118 | cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, index); | |
2119 | if (!cmd) | |
2120 | return -ENOENT; | |
2121 | ||
4e51eae9 | 2122 | err = cmd_status(cmd->sk, index, MGMT_OP_DISCONNECT, EIO); |
8962ee74 | 2123 | |
a664b5bc | 2124 | mgmt_pending_remove(cmd); |
8962ee74 JH |
2125 | |
2126 | return err; | |
f7520543 | 2127 | } |
17d5c04c JH |
2128 | |
2129 | int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status) | |
2130 | { | |
2131 | struct mgmt_ev_connect_failed ev; | |
2132 | ||
17d5c04c JH |
2133 | bacpy(&ev.bdaddr, bdaddr); |
2134 | ev.status = status; | |
2135 | ||
4e51eae9 | 2136 | return mgmt_event(MGMT_EV_CONNECT_FAILED, index, &ev, sizeof(ev), NULL); |
17d5c04c | 2137 | } |
980e1a53 | 2138 | |
a770bb5a | 2139 | int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure) |
980e1a53 JH |
2140 | { |
2141 | struct mgmt_ev_pin_code_request ev; | |
2142 | ||
980e1a53 | 2143 | bacpy(&ev.bdaddr, bdaddr); |
a770bb5a | 2144 | ev.secure = secure; |
980e1a53 | 2145 | |
4e51eae9 SJ |
2146 | return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, index, &ev, sizeof(ev), |
2147 | NULL); | |
980e1a53 JH |
2148 | } |
2149 | ||
2150 | int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) | |
2151 | { | |
2152 | struct pending_cmd *cmd; | |
ac56fb13 | 2153 | struct mgmt_rp_pin_code_reply rp; |
980e1a53 JH |
2154 | int err; |
2155 | ||
2156 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, index); | |
2157 | if (!cmd) | |
2158 | return -ENOENT; | |
2159 | ||
ac56fb13 JH |
2160 | bacpy(&rp.bdaddr, bdaddr); |
2161 | rp.status = status; | |
2162 | ||
4e51eae9 SJ |
2163 | err = cmd_complete(cmd->sk, index, MGMT_OP_PIN_CODE_REPLY, &rp, |
2164 | sizeof(rp)); | |
980e1a53 | 2165 | |
a664b5bc | 2166 | mgmt_pending_remove(cmd); |
980e1a53 JH |
2167 | |
2168 | return err; | |
2169 | } | |
2170 | ||
2171 | int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) | |
2172 | { | |
2173 | struct pending_cmd *cmd; | |
ac56fb13 | 2174 | struct mgmt_rp_pin_code_reply rp; |
980e1a53 JH |
2175 | int err; |
2176 | ||
2177 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, index); | |
2178 | if (!cmd) | |
2179 | return -ENOENT; | |
2180 | ||
ac56fb13 JH |
2181 | bacpy(&rp.bdaddr, bdaddr); |
2182 | rp.status = status; | |
2183 | ||
4e51eae9 SJ |
2184 | err = cmd_complete(cmd->sk, index, MGMT_OP_PIN_CODE_NEG_REPLY, &rp, |
2185 | sizeof(rp)); | |
980e1a53 | 2186 | |
a664b5bc | 2187 | mgmt_pending_remove(cmd); |
980e1a53 JH |
2188 | |
2189 | return err; | |
2190 | } | |
a5c29683 | 2191 | |
55bc1a37 JH |
2192 | int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value, |
2193 | u8 confirm_hint) | |
a5c29683 JH |
2194 | { |
2195 | struct mgmt_ev_user_confirm_request ev; | |
2196 | ||
2197 | BT_DBG("hci%u", index); | |
2198 | ||
a5c29683 | 2199 | bacpy(&ev.bdaddr, bdaddr); |
55bc1a37 | 2200 | ev.confirm_hint = confirm_hint; |
a5c29683 JH |
2201 | put_unaligned_le32(value, &ev.value); |
2202 | ||
4e51eae9 SJ |
2203 | return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, index, &ev, sizeof(ev), |
2204 | NULL); | |
a5c29683 JH |
2205 | } |
2206 | ||
2207 | static int confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status, | |
2208 | u8 opcode) | |
2209 | { | |
2210 | struct pending_cmd *cmd; | |
2211 | struct mgmt_rp_user_confirm_reply rp; | |
2212 | int err; | |
2213 | ||
2214 | cmd = mgmt_pending_find(opcode, index); | |
2215 | if (!cmd) | |
2216 | return -ENOENT; | |
2217 | ||
a5c29683 JH |
2218 | bacpy(&rp.bdaddr, bdaddr); |
2219 | rp.status = status; | |
4e51eae9 | 2220 | err = cmd_complete(cmd->sk, index, opcode, &rp, sizeof(rp)); |
a5c29683 | 2221 | |
a664b5bc | 2222 | mgmt_pending_remove(cmd); |
a5c29683 JH |
2223 | |
2224 | return err; | |
2225 | } | |
2226 | ||
2227 | int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) | |
2228 | { | |
2229 | return confirm_reply_complete(index, bdaddr, status, | |
2230 | MGMT_OP_USER_CONFIRM_REPLY); | |
2231 | } | |
2232 | ||
b8534e0f | 2233 | int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) |
a5c29683 JH |
2234 | { |
2235 | return confirm_reply_complete(index, bdaddr, status, | |
2236 | MGMT_OP_USER_CONFIRM_NEG_REPLY); | |
2237 | } | |
2a611692 JH |
2238 | |
2239 | int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status) | |
2240 | { | |
2241 | struct mgmt_ev_auth_failed ev; | |
2242 | ||
2a611692 JH |
2243 | bacpy(&ev.bdaddr, bdaddr); |
2244 | ev.status = status; | |
2245 | ||
4e51eae9 | 2246 | return mgmt_event(MGMT_EV_AUTH_FAILED, index, &ev, sizeof(ev), NULL); |
2a611692 | 2247 | } |
b312b161 JH |
2248 | |
2249 | int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status) | |
2250 | { | |
2251 | struct pending_cmd *cmd; | |
80a1e1db | 2252 | struct hci_dev *hdev; |
b312b161 JH |
2253 | struct mgmt_cp_set_local_name ev; |
2254 | int err; | |
2255 | ||
2256 | memset(&ev, 0, sizeof(ev)); | |
2257 | memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); | |
2258 | ||
2259 | cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, index); | |
2260 | if (!cmd) | |
2261 | goto send_event; | |
2262 | ||
2263 | if (status) { | |
2264 | err = cmd_status(cmd->sk, index, MGMT_OP_SET_LOCAL_NAME, EIO); | |
2265 | goto failed; | |
2266 | } | |
2267 | ||
80a1e1db JH |
2268 | hdev = hci_dev_get(index); |
2269 | if (hdev) { | |
2270 | hci_dev_lock_bh(hdev); | |
2271 | update_eir(hdev); | |
2272 | hci_dev_unlock_bh(hdev); | |
2273 | hci_dev_put(hdev); | |
2274 | } | |
2275 | ||
b312b161 JH |
2276 | err = cmd_complete(cmd->sk, index, MGMT_OP_SET_LOCAL_NAME, &ev, |
2277 | sizeof(ev)); | |
2278 | if (err < 0) | |
2279 | goto failed; | |
2280 | ||
2281 | send_event: | |
2282 | err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, index, &ev, sizeof(ev), | |
2283 | cmd ? cmd->sk : NULL); | |
2284 | ||
2285 | failed: | |
2286 | if (cmd) | |
2287 | mgmt_pending_remove(cmd); | |
2288 | return err; | |
2289 | } | |
c35938b2 SJ |
2290 | |
2291 | int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, | |
2292 | u8 status) | |
2293 | { | |
2294 | struct pending_cmd *cmd; | |
2295 | int err; | |
2296 | ||
2297 | BT_DBG("hci%u status %u", index, status); | |
2298 | ||
2299 | cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, index); | |
2300 | if (!cmd) | |
2301 | return -ENOENT; | |
2302 | ||
2303 | if (status) { | |
2304 | err = cmd_status(cmd->sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, | |
2305 | EIO); | |
2306 | } else { | |
2307 | struct mgmt_rp_read_local_oob_data rp; | |
2308 | ||
2309 | memcpy(rp.hash, hash, sizeof(rp.hash)); | |
2310 | memcpy(rp.randomizer, randomizer, sizeof(rp.randomizer)); | |
2311 | ||
2312 | err = cmd_complete(cmd->sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, | |
2313 | &rp, sizeof(rp)); | |
2314 | } | |
2315 | ||
2316 | mgmt_pending_remove(cmd); | |
2317 | ||
2318 | return err; | |
2319 | } | |
e17acd40 JH |
2320 | |
2321 | int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi, | |
2322 | u8 *eir) | |
2323 | { | |
2324 | struct mgmt_ev_device_found ev; | |
2325 | ||
2326 | memset(&ev, 0, sizeof(ev)); | |
2327 | ||
2328 | bacpy(&ev.bdaddr, bdaddr); | |
e17acd40 JH |
2329 | ev.rssi = rssi; |
2330 | ||
2331 | if (eir) | |
2332 | memcpy(ev.eir, eir, sizeof(ev.eir)); | |
2333 | ||
f8523598 AG |
2334 | if (dev_class) |
2335 | memcpy(ev.dev_class, dev_class, sizeof(ev.dev_class)); | |
2336 | ||
e17acd40 JH |
2337 | return mgmt_event(MGMT_EV_DEVICE_FOUND, index, &ev, sizeof(ev), NULL); |
2338 | } | |
a88a9652 JH |
2339 | |
2340 | int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name) | |
2341 | { | |
2342 | struct mgmt_ev_remote_name ev; | |
2343 | ||
2344 | memset(&ev, 0, sizeof(ev)); | |
2345 | ||
2346 | bacpy(&ev.bdaddr, bdaddr); | |
2347 | memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); | |
2348 | ||
2349 | return mgmt_event(MGMT_EV_REMOTE_NAME, index, &ev, sizeof(ev), NULL); | |
2350 | } | |
314b2381 | 2351 | |
164a6e78 JH |
2352 | int mgmt_inquiry_failed(u16 index, u8 status) |
2353 | { | |
2354 | struct pending_cmd *cmd; | |
2355 | int err; | |
2356 | ||
2357 | cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, index); | |
2358 | if (!cmd) | |
2359 | return -ENOENT; | |
2360 | ||
2361 | err = cmd_status(cmd->sk, index, cmd->opcode, status); | |
2362 | mgmt_pending_remove(cmd); | |
2363 | ||
2364 | return err; | |
2365 | } | |
2366 | ||
314b2381 JH |
2367 | int mgmt_discovering(u16 index, u8 discovering) |
2368 | { | |
164a6e78 JH |
2369 | struct pending_cmd *cmd; |
2370 | ||
2371 | if (discovering) | |
2372 | cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, index); | |
2373 | else | |
2374 | cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, index); | |
2375 | ||
2376 | if (cmd != NULL) { | |
2377 | cmd_complete(cmd->sk, index, cmd->opcode, NULL, 0); | |
2378 | mgmt_pending_remove(cmd); | |
2379 | } | |
2380 | ||
314b2381 JH |
2381 | return mgmt_event(MGMT_EV_DISCOVERING, index, &discovering, |
2382 | sizeof(discovering), NULL); | |
2383 | } | |
5e762444 AJ |
2384 | |
2385 | int mgmt_device_blocked(u16 index, bdaddr_t *bdaddr) | |
2386 | { | |
2387 | struct pending_cmd *cmd; | |
2388 | struct mgmt_ev_device_blocked ev; | |
2389 | ||
2390 | cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, index); | |
2391 | ||
2392 | bacpy(&ev.bdaddr, bdaddr); | |
2393 | ||
2394 | return mgmt_event(MGMT_EV_DEVICE_BLOCKED, index, &ev, sizeof(ev), | |
2395 | cmd ? cmd->sk : NULL); | |
2396 | } | |
2397 | ||
2398 | int mgmt_device_unblocked(u16 index, bdaddr_t *bdaddr) | |
2399 | { | |
2400 | struct pending_cmd *cmd; | |
2401 | struct mgmt_ev_device_unblocked ev; | |
2402 | ||
2403 | cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, index); | |
2404 | ||
2405 | bacpy(&ev.bdaddr, bdaddr); | |
2406 | ||
2407 | return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, index, &ev, sizeof(ev), | |
2408 | cmd ? cmd->sk : NULL); | |
2409 | } |