net/bluetooth/mgmt.c

   1 /*
   2    BlueZ - Bluetooth protocol stack for Linux
   3    Copyright (C) 2010  Nokia Corporation
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License version 2 as
   7    published by the Free Software Foundation;
   8
   9    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  10    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  11    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
  12    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
  13    CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
  14    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17
  18    ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
  19    COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
  20    SOFTWARE IS DISCLAIMED.
  21 */
  22
  23 /* Bluetooth HCI Management interface */
  24
  25 #include <linux/uaccess.h>
  26 #include <asm/unaligned.h>
  27
  28 #include <net/bluetooth/bluetooth.h>
  29 #include <net/bluetooth/hci_core.h>
  30 #include <net/bluetooth/mgmt.h>
  31
  32 #define MGMT_VERSION    0
  33 #define MGMT_REVISION   1
  34
  35 struct pending_cmd {
  36         struct list_head list;
  37         __u16 opcode;
  38         int index;
  39         void *param;
  40         struct sock *sk;
  41         void *user_data;
  42 };
  43
  44 static LIST_HEAD(cmd_list);
  45
  46 static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
  47 {
  48         struct sk_buff *skb;
  49         struct mgmt_hdr *hdr;
  50         struct mgmt_ev_cmd_status *ev;
  51
  52         BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
  53
  54         skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC);
  55         if (!skb)
  56                 return -ENOMEM;
  57
  58         hdr = (void *) skb_put(skb, sizeof(*hdr));
  59
  60         hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
  61         hdr->index = cpu_to_le16(index);
  62         hdr->len = cpu_to_le16(sizeof(*ev));
  63
  64         ev = (void *) skb_put(skb, sizeof(*ev));
  65         ev->status = status;
  66         put_unaligned_le16(cmd, &ev->opcode);
  67
  68         if (sock_queue_rcv_skb(sk, skb) < 0)
  69                 kfree_skb(skb);
  70
  71         return 0;
  72 }
  73
  74 static int cmd_complete(struct sock *sk, u16 index, u16 cmd, void *rp,
  75                                                                 size_t rp_len)
  76 {
  77         struct sk_buff *skb;
  78         struct mgmt_hdr *hdr;
  79         struct mgmt_ev_cmd_complete *ev;
  80
  81         BT_DBG("sock %p", sk);
  82
  83         skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_ATOMIC);
  84         if (!skb)
  85                 return -ENOMEM;
  86
  87         hdr = (void *) skb_put(skb, sizeof(*hdr));
  88
  89         hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
  90         hdr->index = cpu_to_le16(index);
  91         hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
  92
  93         ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
  94         put_unaligned_le16(cmd, &ev->opcode);
  95
  96         if (rp)
  97                 memcpy(ev->data, rp, rp_len);
  98
  99         if (sock_queue_rcv_skb(sk, skb) < 0)
 100                 kfree_skb(skb);
 101
 102         return 0;
 103 }
 104
 105 static int read_version(struct sock *sk)
 106 {
 107         struct mgmt_rp_read_version rp;
 108
 109         BT_DBG("sock %p", sk);
 110
 111         rp.version = MGMT_VERSION;
 112         put_unaligned_le16(MGMT_REVISION, &rp.revision);
 113
 114         return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, &rp,
 115                                                                 sizeof(rp));
 116 }
 117
 118 static int read_index_list(struct sock *sk)
 119 {
 120         struct mgmt_rp_read_index_list *rp;
 121         struct list_head *p;
 122         size_t rp_len;
 123         u16 count;
 124         int i, err;
 125
 126         BT_DBG("sock %p", sk);
 127
 128         read_lock(&hci_dev_list_lock);
 129
 130         count = 0;
 131         list_for_each(p, &hci_dev_list) {
 132                 count++;
 133         }
 134
 135         rp_len = sizeof(*rp) + (2 * count);
 136         rp = kmalloc(rp_len, GFP_ATOMIC);
 137         if (!rp) {
 138                 read_unlock(&hci_dev_list_lock);
 139                 return -ENOMEM;
 140         }
 141
 142         put_unaligned_le16(count, &rp->num_controllers);
 143
 144         i = 0;
 145         list_for_each(p, &hci_dev_list) {
 146                 struct hci_dev *d = list_entry(p, struct hci_dev, list);
 147
 148                 hci_del_off_timer(d);
 149
 150                 set_bit(HCI_MGMT, &d->flags);
 151
 152                 if (test_bit(HCI_SETUP, &d->flags))
 153                         continue;
 154
 155                 put_unaligned_le16(d->id, &rp->index[i++]);
 156                 BT_DBG("Added hci%u", d->id);
 157         }
 158
 159         read_unlock(&hci_dev_list_lock);
 160
 161         err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, rp,
 162                                                                         rp_len);
 163
 164         kfree(rp);
 165
 166         return err;
 167 }
 168
 169 static int read_controller_info(struct sock *sk, u16 index)
 170 {
 171         struct mgmt_rp_read_info rp;
 172         struct hci_dev *hdev;
 173
 174         BT_DBG("sock %p hci%u", sk, index);
 175
 176         hdev = hci_dev_get(index);
 177         if (!hdev)
 178                 return cmd_status(sk, index, MGMT_OP_READ_INFO, ENODEV);
 179
 180         hci_del_off_timer(hdev);
 181
 182         hci_dev_lock_bh(hdev);
 183
 184         set_bit(HCI_MGMT, &hdev->flags);
 185
 186         memset(&rp, 0, sizeof(rp));
 187
 188         rp.type = hdev->dev_type;
 189
 190         rp.powered = test_bit(HCI_UP, &hdev->flags);
 191         rp.connectable = test_bit(HCI_PSCAN, &hdev->flags);
 192         rp.discoverable = test_bit(HCI_ISCAN, &hdev->flags);
 193         rp.pairable = test_bit(HCI_PSCAN, &hdev->flags);
 194
 195         if (test_bit(HCI_AUTH, &hdev->flags))
 196                 rp.sec_mode = 3;
 197         else if (hdev->ssp_mode > 0)
 198                 rp.sec_mode = 4;
 199         else
 200                 rp.sec_mode = 2;
 201
 202         bacpy(&rp.bdaddr, &hdev->bdaddr);
 203         memcpy(rp.features, hdev->features, 8);
 204         memcpy(rp.dev_class, hdev->dev_class, 3);
 205         put_unaligned_le16(hdev->manufacturer, &rp.manufacturer);
 206         rp.hci_ver = hdev->hci_ver;
 207         put_unaligned_le16(hdev->hci_rev, &rp.hci_rev);
 208
 209         memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
 210
 211         hci_dev_unlock_bh(hdev);
 212         hci_dev_put(hdev);
 213
 214         return cmd_complete(sk, index, MGMT_OP_READ_INFO, &rp, sizeof(rp));
 215 }
 216
 217 static void mgmt_pending_free(struct pending_cmd *cmd)
 218 {
 219         sock_put(cmd->sk);
 220         kfree(cmd->param);
 221         kfree(cmd);
 222 }
 223
 224 static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
 225                                                 u16 index, void *data, u16 len)
 226 {
 227         struct pending_cmd *cmd;
 228
 229         cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC);
 230         if (!cmd)
 231                 return NULL;
 232
 233         cmd->opcode = opcode;
 234         cmd->index = index;
 235
 236         cmd->param = kmalloc(len, GFP_ATOMIC);
 237         if (!cmd->param) {
 238                 kfree(cmd);
 239                 return NULL;
 240         }
 241
 242         if (data)
 243                 memcpy(cmd->param, data, len);
 244
 245         cmd->sk = sk;
 246         sock_hold(sk);
 247
 248         list_add(&cmd->list, &cmd_list);
 249
 250         return cmd;
 251 }
 252
 253 static void mgmt_pending_foreach(u16 opcode, int index,
 254                                 void (*cb)(struct pending_cmd *cmd, void *data),
 255                                 void *data)
 256 {
 257         struct list_head *p, *n;
 258
 259         list_for_each_safe(p, n, &cmd_list) {
 260                 struct pending_cmd *cmd;
 261
 262                 cmd = list_entry(p, struct pending_cmd, list);
 263
 264                 if (cmd->opcode != opcode)
 265                         continue;
 266
 267                 if (index >= 0 && cmd->index != index)
 268                         continue;
 269
 270                 cb(cmd, data);
 271         }
 272 }
 273
 274 static struct pending_cmd *mgmt_pending_find(u16 opcode, int index)
 275 {
 276         struct list_head *p;
 277
 278         list_for_each(p, &cmd_list) {
 279                 struct pending_cmd *cmd;
 280
 281                 cmd = list_entry(p, struct pending_cmd, list);
 282
 283                 if (cmd->opcode != opcode)
 284                         continue;
 285
 286                 if (index >= 0 && cmd->index != index)
 287                         continue;
 288
 289                 return cmd;
 290         }
 291
 292         return NULL;
 293 }
 294
 295 static void mgmt_pending_remove(struct pending_cmd *cmd)
 296 {
 297         list_del(&cmd->list);
 298         mgmt_pending_free(cmd);
 299 }
 300
 301 static int set_powered(struct sock *sk, u16 index, unsigned char *data, u16 len)
 302 {
 303         struct mgmt_mode *cp;
 304         struct hci_dev *hdev;
 305         struct pending_cmd *cmd;
 306         int err, up;
 307
 308         cp = (void *) data;
 309
 310         BT_DBG("request for hci%u", index);
 311
 312         if (len != sizeof(*cp))
 313                 return cmd_status(sk, index, MGMT_OP_SET_POWERED, EINVAL);
 314
 315         hdev = hci_dev_get(index);
 316         if (!hdev)
 317                 return cmd_status(sk, index, MGMT_OP_SET_POWERED, ENODEV);
 318
 319         hci_dev_lock_bh(hdev);
 320
 321         up = test_bit(HCI_UP, &hdev->flags);
 322         if ((cp->val && up) || (!cp->val && !up)) {
 323                 err = cmd_status(sk, index, MGMT_OP_SET_POWERED, EALREADY);
 324                 goto failed;
 325         }
 326
 327         if (mgmt_pending_find(MGMT_OP_SET_POWERED, index)) {
 328                 err = cmd_status(sk, index, MGMT_OP_SET_POWERED, EBUSY);
 329                 goto failed;
 330         }
 331
 332         cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, index, data, len);
 333         if (!cmd) {
 334                 err = -ENOMEM;
 335                 goto failed;
 336         }
 337
 338         if (cp->val)
 339                 queue_work(hdev->workqueue, &hdev->power_on);
 340         else
 341                 queue_work(hdev->workqueue, &hdev->power_off);
 342
 343         err = 0;
 344
 345 failed:
 346         hci_dev_unlock_bh(hdev);
 347         hci_dev_put(hdev);
 348         return err;
 349 }
 350
 351 static int set_discoverable(struct sock *sk, u16 index, unsigned char *data,
 352                                                                         u16 len)
 353 {
 354         struct mgmt_mode *cp;
 355         struct hci_dev *hdev;
 356         struct pending_cmd *cmd;
 357         u8 scan;
 358         int err;
 359
 360         cp = (void *) data;
 361
 362         BT_DBG("request for hci%u", index);
 363
 364         if (len != sizeof(*cp))
 365                 return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EINVAL);
 366
 367         hdev = hci_dev_get(index);
 368         if (!hdev)
 369                 return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENODEV);
 370
 371         hci_dev_lock_bh(hdev);
 372
 373         if (!test_bit(HCI_UP, &hdev->flags)) {
 374                 err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENETDOWN);
 375                 goto failed;
 376         }
 377
 378         if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, index) ||
 379                         mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, index)) {
 380                 err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EBUSY);
 381                 goto failed;
 382         }
 383
 384         if (cp->val == test_bit(HCI_ISCAN, &hdev->flags) &&
 385                                         test_bit(HCI_PSCAN, &hdev->flags)) {
 386                 err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EALREADY);
 387                 goto failed;
 388         }
 389
 390         cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, index, data, len);
 391         if (!cmd) {
 392                 err = -ENOMEM;
 393                 goto failed;
 394         }
 395
 396         scan = SCAN_PAGE;
 397
 398         if (cp->val)
 399                 scan |= SCAN_INQUIRY;
 400
 401         err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
 402         if (err < 0)
 403                 mgmt_pending_remove(cmd);
 404
 405 failed:
 406         hci_dev_unlock_bh(hdev);
 407         hci_dev_put(hdev);
 408
 409         return err;
 410 }
 411
 412 static int set_connectable(struct sock *sk, u16 index, unsigned char *data,
 413                                                                         u16 len)
 414 {
 415         struct mgmt_mode *cp;
 416         struct hci_dev *hdev;
 417         struct pending_cmd *cmd;
 418         u8 scan;
 419         int err;
 420
 421         cp = (void *) data;
 422
 423         BT_DBG("request for hci%u", index);
 424
 425         if (len != sizeof(*cp))
 426                 return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EINVAL);
 427
 428         hdev = hci_dev_get(index);
 429         if (!hdev)
 430                 return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENODEV);
 431
 432         hci_dev_lock_bh(hdev);
 433
 434         if (!test_bit(HCI_UP, &hdev->flags)) {
 435                 err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENETDOWN);
 436                 goto failed;
 437         }
 438
 439         if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, index) ||
 440                         mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, index)) {
 441                 err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EBUSY);
 442                 goto failed;
 443         }
 444
 445         if (cp->val == test_bit(HCI_PSCAN, &hdev->flags)) {
 446                 err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EALREADY);
 447                 goto failed;
 448         }
 449
 450         cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, index, data, len);
 451         if (!cmd) {
 452                 err = -ENOMEM;
 453                 goto failed;
 454         }
 455
 456         if (cp->val)
 457                 scan = SCAN_PAGE;
 458         else
 459                 scan = 0;
 460
 461         err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
 462         if (err < 0)
 463                 mgmt_pending_remove(cmd);
 464
 465 failed:
 466         hci_dev_unlock_bh(hdev);
 467         hci_dev_put(hdev);
 468
 469         return err;
 470 }
 471
 472 static int mgmt_event(u16 event, u16 index, void *data, u16 data_len,
 473                                                         struct sock *skip_sk)
 474 {
 475         struct sk_buff *skb;
 476         struct mgmt_hdr *hdr;
 477
 478         skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC);
 479         if (!skb)
 480                 return -ENOMEM;
 481
 482         bt_cb(skb)->channel = HCI_CHANNEL_CONTROL;
 483
 484         hdr = (void *) skb_put(skb, sizeof(*hdr));
 485         hdr->opcode = cpu_to_le16(event);
 486         hdr->index = cpu_to_le16(index);
 487         hdr->len = cpu_to_le16(data_len);
 488
 489         if (data)
 490                 memcpy(skb_put(skb, data_len), data, data_len);
 491
 492         hci_send_to_sock(NULL, skb, skip_sk);
 493         kfree_skb(skb);
 494
 495         return 0;
 496 }
 497
 498 static int send_mode_rsp(struct sock *sk, u16 opcode, u16 index, u8 val)
 499 {
 500         struct mgmt_mode rp;
 501
 502         rp.val = val;
 503
 504         return cmd_complete(sk, index, opcode, &rp, sizeof(rp));
 505 }
 506
 507 static int set_pairable(struct sock *sk, u16 index, unsigned char *data,
 508                                                                         u16 len)
 509 {
 510         struct mgmt_mode *cp, ev;
 511         struct hci_dev *hdev;
 512         int err;
 513
 514         cp = (void *) data;
 515
 516         BT_DBG("request for hci%u", index);
 517
 518         if (len != sizeof(*cp))
 519                 return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, EINVAL);
 520
 521         hdev = hci_dev_get(index);
 522         if (!hdev)
 523                 return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, ENODEV);
 524
 525         hci_dev_lock_bh(hdev);
 526
 527         if (cp->val)
 528                 set_bit(HCI_PAIRABLE, &hdev->flags);
 529         else
 530                 clear_bit(HCI_PAIRABLE, &hdev->flags);
 531
 532         err = send_mode_rsp(sk, MGMT_OP_SET_PAIRABLE, index, cp->val);
 533         if (err < 0)
 534                 goto failed;
 535
 536         ev.val = cp->val;
 537
 538         err = mgmt_event(MGMT_EV_PAIRABLE, index, &ev, sizeof(ev), sk);
 539
 540 failed:
 541         hci_dev_unlock_bh(hdev);
 542         hci_dev_put(hdev);
 543
 544         return err;
 545 }
 546
 547 #define EIR_FLAGS               0x01 /* flags */
 548 #define EIR_UUID16_SOME         0x02 /* 16-bit UUID, more available */
 549 #define EIR_UUID16_ALL          0x03 /* 16-bit UUID, all listed */
 550 #define EIR_UUID32_SOME         0x04 /* 32-bit UUID, more available */
 551 #define EIR_UUID32_ALL          0x05 /* 32-bit UUID, all listed */
 552 #define EIR_UUID128_SOME        0x06 /* 128-bit UUID, more available */
 553 #define EIR_UUID128_ALL         0x07 /* 128-bit UUID, all listed */
 554 #define EIR_NAME_SHORT          0x08 /* shortened local name */
 555 #define EIR_NAME_COMPLETE       0x09 /* complete local name */
 556 #define EIR_TX_POWER            0x0A /* transmit power level */
 557 #define EIR_DEVICE_ID           0x10 /* device ID */
 558
 559 #define PNP_INFO_SVCLASS_ID             0x1200
 560
 561 static u8 bluetooth_base_uuid[] = {
 562                         0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80,
 563                         0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 564 };
 565
 566 static u16 get_uuid16(u8 *uuid128)
 567 {
 568         u32 val;
 569         int i;
 570
 571         for (i = 0; i < 12; i++) {
 572                 if (bluetooth_base_uuid[i] != uuid128[i])
 573                         return 0;
 574         }
 575
 576         memcpy(&val, &uuid128[12], 4);
 577
 578         val = le32_to_cpu(val);
 579         if (val > 0xffff)
 580                 return 0;
 581
 582         return (u16) val;
 583 }
 584
 585 static void create_eir(struct hci_dev *hdev, u8 *data)
 586 {
 587         u8 *ptr = data;
 588         u16 eir_len = 0;
 589         u16 uuid16_list[HCI_MAX_EIR_LENGTH / sizeof(u16)];
 590         int i, truncated = 0;
 591         struct list_head *p;
 592         size_t name_len;
 593
 594         name_len = strlen(hdev->dev_name);
 595
 596         if (name_len > 0) {
 597                 /* EIR Data type */
 598                 if (name_len > 48) {
 599                         name_len = 48;
 600                         ptr[1] = EIR_NAME_SHORT;
 601                 } else
 602                         ptr[1] = EIR_NAME_COMPLETE;
 603
 604                 /* EIR Data length */
 605                 ptr[0] = name_len + 1;
 606
 607                 memcpy(ptr + 2, hdev->dev_name, name_len);
 608
 609                 eir_len += (name_len + 2);
 610                 ptr += (name_len + 2);
 611         }
 612
 613         memset(uuid16_list, 0, sizeof(uuid16_list));
 614
 615         /* Group all UUID16 types */
 616         list_for_each(p, &hdev->uuids) {
 617                 struct bt_uuid *uuid = list_entry(p, struct bt_uuid, list);
 618                 u16 uuid16;
 619
 620                 uuid16 = get_uuid16(uuid->uuid);
 621                 if (uuid16 == 0)
 622                         return;
 623
 624                 if (uuid16 < 0x1100)
 625                         continue;
 626
 627                 if (uuid16 == PNP_INFO_SVCLASS_ID)
 628                         continue;
 629
 630                 /* Stop if not enough space to put next UUID */
 631                 if (eir_len + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) {
 632                         truncated = 1;
 633                         break;
 634                 }
 635
 636                 /* Check for duplicates */
 637                 for (i = 0; uuid16_list[i] != 0; i++)
 638                         if (uuid16_list[i] == uuid16)
 639                                 break;
 640
 641                 if (uuid16_list[i] == 0) {
 642                         uuid16_list[i] = uuid16;
 643                         eir_len += sizeof(u16);
 644                 }
 645         }
 646
 647         if (uuid16_list[0] != 0) {
 648                 u8 *length = ptr;
 649
 650                 /* EIR Data type */
 651                 ptr[1] = truncated ? EIR_UUID16_SOME : EIR_UUID16_ALL;
 652
 653                 ptr += 2;
 654                 eir_len += 2;
 655
 656                 for (i = 0; uuid16_list[i] != 0; i++) {
 657                         *ptr++ = (uuid16_list[i] & 0x00ff);
 658                         *ptr++ = (uuid16_list[i] & 0xff00) >> 8;
 659                 }
 660
 661                 /* EIR Data length */
 662                 *length = (i * sizeof(u16)) + 1;
 663         }
 664 }
 665
 666 static int update_eir(struct hci_dev *hdev)
 667 {
 668         struct hci_cp_write_eir cp;
 669
 670         if (!(hdev->features[6] & LMP_EXT_INQ))
 671                 return 0;
 672
 673         if (hdev->ssp_mode == 0)
 674                 return 0;
 675
 676         if (test_bit(HCI_SERVICE_CACHE, &hdev->flags))
 677                 return 0;
 678
 679         memset(&cp, 0, sizeof(cp));
 680
 681         create_eir(hdev, cp.data);
 682
 683         if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
 684                 return 0;
 685
 686         memcpy(hdev->eir, cp.data, sizeof(cp.data));
 687
 688         return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
 689 }
 690
 691 static u8 get_service_classes(struct hci_dev *hdev)
 692 {
 693         struct list_head *p;
 694         u8 val = 0;
 695
 696         list_for_each(p, &hdev->uuids) {
 697                 struct bt_uuid *uuid = list_entry(p, struct bt_uuid, list);
 698
 699                 val |= uuid->svc_hint;
 700         }
 701
 702         return val;
 703 }
 704
 705 static int update_class(struct hci_dev *hdev)
 706 {
 707         u8 cod[3];
 708
 709         BT_DBG("%s", hdev->name);
 710
 711         if (test_bit(HCI_SERVICE_CACHE, &hdev->flags))
 712                 return 0;
 713
 714         cod[0] = hdev->minor_class;
 715         cod[1] = hdev->major_class;
 716         cod[2] = get_service_classes(hdev);
 717
 718         if (memcmp(cod, hdev->dev_class, 3) == 0)
 719                 return 0;
 720
 721         return hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
 722 }
 723
 724 static int add_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
 725 {
 726         struct mgmt_cp_add_uuid *cp;
 727         struct hci_dev *hdev;
 728         struct bt_uuid *uuid;
 729         int err;
 730
 731         cp = (void *) data;
 732
 733         BT_DBG("request for hci%u", index);
 734
 735         if (len != sizeof(*cp))
 736                 return cmd_status(sk, index, MGMT_OP_ADD_UUID, EINVAL);
 737
 738         hdev = hci_dev_get(index);
 739         if (!hdev)
 740                 return cmd_status(sk, index, MGMT_OP_ADD_UUID, ENODEV);
 741
 742         hci_dev_lock_bh(hdev);
 743
 744         uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC);
 745         if (!uuid) {
 746                 err = -ENOMEM;
 747                 goto failed;
 748         }
 749
 750         memcpy(uuid->uuid, cp->uuid, 16);
 751         uuid->svc_hint = cp->svc_hint;
 752
 753         list_add(&uuid->list, &hdev->uuids);
 754
 755         err = update_class(hdev);
 756         if (err < 0)
 757                 goto failed;
 758
 759         err = update_eir(hdev);
 760         if (err < 0)
 761                 goto failed;
 762
 763         err = cmd_complete(sk, index, MGMT_OP_ADD_UUID, NULL, 0);
 764
 765 failed:
 766         hci_dev_unlock_bh(hdev);
 767         hci_dev_put(hdev);
 768
 769         return err;
 770 }
 771
 772 static int remove_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
 773 {
 774         struct list_head *p, *n;
 775         struct mgmt_cp_remove_uuid *cp;
 776         struct hci_dev *hdev;
 777         u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 778         int err, found;
 779
 780         cp = (void *) data;
 781
 782         BT_DBG("request for hci%u", index);
 783
 784         if (len != sizeof(*cp))
 785                 return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, EINVAL);
 786
 787         hdev = hci_dev_get(index);
 788         if (!hdev)
 789                 return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, ENODEV);
 790
 791         hci_dev_lock_bh(hdev);
 792
 793         if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
 794                 err = hci_uuids_clear(hdev);
 795                 goto unlock;
 796         }
 797
 798         found = 0;
 799
 800         list_for_each_safe(p, n, &hdev->uuids) {
 801                 struct bt_uuid *match = list_entry(p, struct bt_uuid, list);
 802
 803                 if (memcmp(match->uuid, cp->uuid, 16) != 0)
 804                         continue;
 805
 806                 list_del(&match->list);
 807                 found++;
 808         }
 809
 810         if (found == 0) {
 811                 err = cmd_status(sk, index, MGMT_OP_REMOVE_UUID, ENOENT);
 812                 goto unlock;
 813         }
 814
 815         err = update_class(hdev);
 816         if (err < 0)
 817                 goto unlock;
 818
 819         err = update_eir(hdev);
 820         if (err < 0)
 821                 goto unlock;
 822
 823         err = cmd_complete(sk, index, MGMT_OP_REMOVE_UUID, NULL, 0);
 824
 825 unlock:
 826         hci_dev_unlock_bh(hdev);
 827         hci_dev_put(hdev);
 828
 829         return err;
 830 }
 831
 832 static int set_dev_class(struct sock *sk, u16 index, unsigned char *data,
 833                                                                         u16 len)
 834 {
 835         struct hci_dev *hdev;
 836         struct mgmt_cp_set_dev_class *cp;
 837         int err;
 838
 839         cp = (void *) data;
 840
 841         BT_DBG("request for hci%u", index);
 842
 843         if (len != sizeof(*cp))
 844                 return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, EINVAL);
 845
 846         hdev = hci_dev_get(index);
 847         if (!hdev)
 848                 return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, ENODEV);
 849
 850         hci_dev_lock_bh(hdev);
 851
 852         hdev->major_class = cp->major;
 853         hdev->minor_class = cp->minor;
 854
 855         err = update_class(hdev);
 856
 857         if (err == 0)
 858                 err = cmd_complete(sk, index, MGMT_OP_SET_DEV_CLASS, NULL, 0);
 859
 860         hci_dev_unlock_bh(hdev);
 861         hci_dev_put(hdev);
 862
 863         return err;
 864 }
 865
 866 static int set_service_cache(struct sock *sk, u16 index,  unsigned char *data,
 867                                                                         u16 len)
 868 {
 869         struct hci_dev *hdev;
 870         struct mgmt_cp_set_service_cache *cp;
 871         int err;
 872
 873         cp = (void *) data;
 874
 875         if (len != sizeof(*cp))
 876                 return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, EINVAL);
 877
 878         hdev = hci_dev_get(index);
 879         if (!hdev)
 880                 return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, ENODEV);
 881
 882         hci_dev_lock_bh(hdev);
 883
 884         BT_DBG("hci%u enable %d", index, cp->enable);
 885
 886         if (cp->enable) {
 887                 set_bit(HCI_SERVICE_CACHE, &hdev->flags);
 888                 err = 0;
 889         } else {
 890                 clear_bit(HCI_SERVICE_CACHE, &hdev->flags);
 891                 err = update_class(hdev);
 892                 if (err == 0)
 893                         err = update_eir(hdev);
 894         }
 895
 896         if (err == 0)
 897                 err = cmd_complete(sk, index, MGMT_OP_SET_SERVICE_CACHE, NULL,
 898                                                                         0);
 899
 900         hci_dev_unlock_bh(hdev);
 901         hci_dev_put(hdev);
 902
 903         return err;
 904 }
 905
 906 static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
 907 {
 908         struct hci_dev *hdev;
 909         struct mgmt_cp_load_keys *cp;
 910         u16 key_count, expected_len;
 911         int i, err;
 912
 913         cp = (void *) data;
 914
 915         if (len < sizeof(*cp))
 916                 return -EINVAL;
 917
 918         key_count = get_unaligned_le16(&cp->key_count);
 919
 920         expected_len = sizeof(*cp) + key_count * sizeof(struct mgmt_key_info);
 921         if (expected_len > len) {
 922                 BT_ERR("load_keys: expected at least %u bytes, got %u bytes",
 923                                                         expected_len, len);
 924                 return -EINVAL;
 925         }
 926
 927         hdev = hci_dev_get(index);
 928         if (!hdev)
 929                 return cmd_status(sk, index, MGMT_OP_LOAD_KEYS, ENODEV);
 930
 931         BT_DBG("hci%u debug_keys %u key_count %u", index, cp->debug_keys,
 932                                                                 key_count);
 933
 934         hci_dev_lock_bh(hdev);
 935
 936         hci_link_keys_clear(hdev);
 937
 938         set_bit(HCI_LINK_KEYS, &hdev->flags);
 939
 940         if (cp->debug_keys)
 941                 set_bit(HCI_DEBUG_KEYS, &hdev->flags);
 942         else
 943                 clear_bit(HCI_DEBUG_KEYS, &hdev->flags);
 944
 945         len -= sizeof(*cp);
 946         i = 0;
 947
 948         while (i < len) {
 949                 struct mgmt_key_info *key = (void *) cp->keys + i;
 950
 951                 i += sizeof(*key) + key->dlen;
 952
 953                 if (key->type == HCI_LK_SMP_LTK) {
 954                         struct key_master_id *id = (void *) key->data;
 955
 956                         if (key->dlen != sizeof(struct key_master_id))
 957                                 continue;
 958
 959                         hci_add_ltk(hdev, 0, &key->bdaddr, key->pin_len,
 960                                                 id->ediv, id->rand, key->val);
 961
 962                         continue;
 963                 }
 964
 965                 hci_add_link_key(hdev, NULL, 0, &key->bdaddr, key->val, key->type,
 966                                                                 key->pin_len);
 967         }
 968
 969         err = cmd_complete(sk, index, MGMT_OP_LOAD_KEYS, NULL, 0);
 970
 971         hci_dev_unlock_bh(hdev);
 972         hci_dev_put(hdev);
 973
 974         return err;
 975 }
 976
 977 static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len)
 978 {
 979         struct hci_dev *hdev;
 980         struct mgmt_cp_remove_key *cp;
 981         struct hci_conn *conn;
 982         int err;
 983
 984         cp = (void *) data;
 985
 986         if (len != sizeof(*cp))
 987                 return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, EINVAL);
 988
 989         hdev = hci_dev_get(index);
 990         if (!hdev)
 991                 return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, ENODEV);
 992
 993         hci_dev_lock_bh(hdev);
 994
 995         err = hci_remove_link_key(hdev, &cp->bdaddr);
 996         if (err < 0) {
 997                 err = cmd_status(sk, index, MGMT_OP_REMOVE_KEY, -err);
 998                 goto unlock;
 999         }
1000
1001         err = 0;
1002
1003         if (!test_bit(HCI_UP, &hdev->flags) || !cp->disconnect)
1004                 goto unlock;
1005
1006         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1007         if (conn) {
1008                 struct hci_cp_disconnect dc;
1009
1010                 put_unaligned_le16(conn->handle, &dc.handle);
1011                 dc.reason = 0x13; /* Remote User Terminated Connection */
1012                 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1013         }
1014
1015 unlock:
1016         hci_dev_unlock_bh(hdev);
1017         hci_dev_put(hdev);
1018
1019         return err;
1020 }
1021
1022 static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len)
1023 {
1024         struct hci_dev *hdev;
1025         struct mgmt_cp_disconnect *cp;
1026         struct hci_cp_disconnect dc;
1027         struct pending_cmd *cmd;
1028         struct hci_conn *conn;
1029         int err;
1030
1031         BT_DBG("");
1032
1033         cp = (void *) data;
1034
1035         if (len != sizeof(*cp))
1036                 return cmd_status(sk, index, MGMT_OP_DISCONNECT, EINVAL);
1037
1038         hdev = hci_dev_get(index);
1039         if (!hdev)
1040                 return cmd_status(sk, index, MGMT_OP_DISCONNECT, ENODEV);
1041
1042         hci_dev_lock_bh(hdev);
1043
1044         if (!test_bit(HCI_UP, &hdev->flags)) {
1045                 err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENETDOWN);
1046                 goto failed;
1047         }
1048
1049         if (mgmt_pending_find(MGMT_OP_DISCONNECT, index)) {
1050                 err = cmd_status(sk, index, MGMT_OP_DISCONNECT, EBUSY);
1051                 goto failed;
1052         }
1053
1054         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1055         if (!conn)
1056                 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->bdaddr);
1057
1058         if (!conn) {
1059                 err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENOTCONN);
1060                 goto failed;
1061         }
1062
1063         cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, index, data, len);
1064         if (!cmd) {
1065                 err = -ENOMEM;
1066                 goto failed;
1067         }
1068
1069         put_unaligned_le16(conn->handle, &dc.handle);
1070         dc.reason = 0x13; /* Remote User Terminated Connection */
1071
1072         err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1073         if (err < 0)
1074                 mgmt_pending_remove(cmd);
1075
1076 failed:
1077         hci_dev_unlock_bh(hdev);
1078         hci_dev_put(hdev);
1079
1080         return err;
1081 }
1082
1083 static int get_connections(struct sock *sk, u16 index)
1084 {
1085         struct mgmt_rp_get_connections *rp;
1086         struct hci_dev *hdev;
1087         struct list_head *p;
1088         size_t rp_len;
1089         u16 count;
1090         int i, err;
1091
1092         BT_DBG("");
1093
1094         hdev = hci_dev_get(index);
1095         if (!hdev)
1096                 return cmd_status(sk, index, MGMT_OP_GET_CONNECTIONS, ENODEV);
1097
1098         hci_dev_lock_bh(hdev);
1099
1100         count = 0;
1101         list_for_each(p, &hdev->conn_hash.list) {
1102                 count++;
1103         }
1104
1105         rp_len = sizeof(*rp) + (count * sizeof(bdaddr_t));
1106         rp = kmalloc(rp_len, GFP_ATOMIC);
1107         if (!rp) {
1108                 err = -ENOMEM;
1109                 goto unlock;
1110         }
1111
1112         put_unaligned_le16(count, &rp->conn_count);
1113
1114         i = 0;
1115         list_for_each(p, &hdev->conn_hash.list) {
1116                 struct hci_conn *c = list_entry(p, struct hci_conn, list);
1117
1118                 bacpy(&rp->conn[i++], &c->dst);
1119         }
1120
1121         err = cmd_complete(sk, index, MGMT_OP_GET_CONNECTIONS, rp, rp_len);
1122
1123 unlock:
1124         kfree(rp);
1125         hci_dev_unlock_bh(hdev);
1126         hci_dev_put(hdev);
1127         return err;
1128 }
1129
1130 static int send_pin_code_neg_reply(struct sock *sk, u16 index,
1131                 struct hci_dev *hdev, struct mgmt_cp_pin_code_neg_reply *cp)
1132 {
1133         struct pending_cmd *cmd;
1134         int err;
1135
1136         cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, index, cp,
1137                                                                 sizeof(*cp));
1138         if (!cmd)
1139                 return -ENOMEM;
1140
1141         err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, sizeof(cp->bdaddr),
1142                                                                 &cp->bdaddr);
1143         if (err < 0)
1144                 mgmt_pending_remove(cmd);
1145
1146         return err;
1147 }
1148
1149 static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data,
1150                                                                         u16 len)
1151 {
1152         struct hci_dev *hdev;
1153         struct hci_conn *conn;
1154         struct mgmt_cp_pin_code_reply *cp;
1155         struct mgmt_cp_pin_code_neg_reply ncp;
1156         struct hci_cp_pin_code_reply reply;
1157         struct pending_cmd *cmd;
1158         int err;
1159
1160         BT_DBG("");
1161
1162         cp = (void *) data;
1163
1164         if (len != sizeof(*cp))
1165                 return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, EINVAL);
1166
1167         hdev = hci_dev_get(index);
1168         if (!hdev)
1169                 return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENODEV);
1170
1171         hci_dev_lock_bh(hdev);
1172
1173         if (!test_bit(HCI_UP, &hdev->flags)) {
1174                 err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENETDOWN);
1175                 goto failed;
1176         }
1177
1178         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1179         if (!conn) {
1180                 err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENOTCONN);
1181                 goto failed;
1182         }
1183
1184         if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
1185                 bacpy(&ncp.bdaddr, &cp->bdaddr);
1186
1187                 BT_ERR("PIN code is not 16 bytes long");
1188
1189                 err = send_pin_code_neg_reply(sk, index, hdev, &ncp);
1190                 if (err >= 0)
1191                         err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY,
1192                                                                 EINVAL);
1193
1194                 goto failed;
1195         }
1196
1197         cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, index, data, len);
1198         if (!cmd) {
1199                 err = -ENOMEM;
1200                 goto failed;
1201         }
1202
1203         bacpy(&reply.bdaddr, &cp->bdaddr);
1204         reply.pin_len = cp->pin_len;
1205         memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
1206
1207         err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
1208         if (err < 0)
1209                 mgmt_pending_remove(cmd);
1210
1211 failed:
1212         hci_dev_unlock_bh(hdev);
1213         hci_dev_put(hdev);
1214
1215         return err;
1216 }
1217
1218 static int pin_code_neg_reply(struct sock *sk, u16 index, unsigned char *data,
1219                                                                         u16 len)
1220 {
1221         struct hci_dev *hdev;
1222         struct mgmt_cp_pin_code_neg_reply *cp;
1223         int err;
1224
1225         BT_DBG("");
1226
1227         cp = (void *) data;
1228
1229         if (len != sizeof(*cp))
1230                 return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
1231                                                                         EINVAL);
1232
1233         hdev = hci_dev_get(index);
1234         if (!hdev)
1235                 return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
1236                                                                         ENODEV);
1237
1238         hci_dev_lock_bh(hdev);
1239
1240         if (!test_bit(HCI_UP, &hdev->flags)) {
1241                 err = cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
1242                                                                 ENETDOWN);
1243                 goto failed;
1244         }
1245
1246         err = send_pin_code_neg_reply(sk, index, hdev, cp);
1247
1248 failed:
1249         hci_dev_unlock_bh(hdev);
1250         hci_dev_put(hdev);
1251
1252         return err;
1253 }
1254
1255 static int set_io_capability(struct sock *sk, u16 index, unsigned char *data,
1256                                                                         u16 len)
1257 {
1258         struct hci_dev *hdev;
1259         struct mgmt_cp_set_io_capability *cp;
1260
1261         BT_DBG("");
1262
1263         cp = (void *) data;
1264
1265         if (len != sizeof(*cp))
1266                 return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, EINVAL);
1267
1268         hdev = hci_dev_get(index);
1269         if (!hdev)
1270                 return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, ENODEV);
1271
1272         hci_dev_lock_bh(hdev);
1273
1274         hdev->io_capability = cp->io_capability;
1275
1276         BT_DBG("%s IO capability set to 0x%02x", hdev->name,
1277                                                         hdev->io_capability);
1278
1279         hci_dev_unlock_bh(hdev);
1280         hci_dev_put(hdev);
1281
1282         return cmd_complete(sk, index, MGMT_OP_SET_IO_CAPABILITY, NULL, 0);
1283 }
1284
1285 static inline struct pending_cmd *find_pairing(struct hci_conn *conn)
1286 {
1287         struct hci_dev *hdev = conn->hdev;
1288         struct list_head *p;
1289
1290         list_for_each(p, &cmd_list) {
1291                 struct pending_cmd *cmd;
1292
1293                 cmd = list_entry(p, struct pending_cmd, list);
1294
1295                 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
1296                         continue;
1297
1298                 if (cmd->index != hdev->id)
1299                         continue;
1300
1301                 if (cmd->user_data != conn)
1302                         continue;
1303
1304                 return cmd;
1305         }
1306
1307         return NULL;
1308 }
1309
1310 static void pairing_complete(struct pending_cmd *cmd, u8 status)
1311 {
1312         struct mgmt_rp_pair_device rp;
1313         struct hci_conn *conn = cmd->user_data;
1314
1315         bacpy(&rp.bdaddr, &conn->dst);
1316         rp.status = status;
1317
1318         cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, &rp, sizeof(rp));
1319
1320         /* So we don't get further callbacks for this connection */
1321         conn->connect_cfm_cb = NULL;
1322         conn->security_cfm_cb = NULL;
1323         conn->disconn_cfm_cb = NULL;
1324
1325         hci_conn_put(conn);
1326
1327         mgmt_pending_remove(cmd);
1328 }
1329
1330 static void pairing_complete_cb(struct hci_conn *conn, u8 status)
1331 {
1332         struct pending_cmd *cmd;
1333
1334         BT_DBG("status %u", status);
1335
1336         cmd = find_pairing(conn);
1337         if (!cmd) {
1338                 BT_DBG("Unable to find a pending command");
1339                 return;
1340         }
1341
1342         pairing_complete(cmd, status);
1343 }
1344
1345 static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)
1346 {
1347         struct hci_dev *hdev;
1348         struct mgmt_cp_pair_device *cp;
1349         struct pending_cmd *cmd;
1350         u8 sec_level, auth_type;
1351         struct hci_conn *conn;
1352         int err;
1353
1354         BT_DBG("");
1355
1356         cp = (void *) data;
1357
1358         if (len != sizeof(*cp))
1359                 return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, EINVAL);
1360
1361         hdev = hci_dev_get(index);
1362         if (!hdev)
1363                 return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, ENODEV);
1364
1365         hci_dev_lock_bh(hdev);
1366
1367         if (cp->io_cap == 0x03) {
1368                 sec_level = BT_SECURITY_MEDIUM;
1369                 auth_type = HCI_AT_DEDICATED_BONDING;
1370         } else {
1371                 sec_level = BT_SECURITY_HIGH;
1372                 auth_type = HCI_AT_DEDICATED_BONDING_MITM;
1373         }
1374
1375         conn = hci_connect(hdev, ACL_LINK, &cp->bdaddr, sec_level, auth_type);
1376         if (IS_ERR(conn)) {
1377                 err = PTR_ERR(conn);
1378                 goto unlock;
1379         }
1380
1381         if (conn->connect_cfm_cb) {
1382                 hci_conn_put(conn);
1383                 err = cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, EBUSY);
1384                 goto unlock;
1385         }
1386
1387         cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, index, data, len);
1388         if (!cmd) {
1389                 err = -ENOMEM;
1390                 hci_conn_put(conn);
1391                 goto unlock;
1392         }
1393
1394         conn->connect_cfm_cb = pairing_complete_cb;
1395         conn->security_cfm_cb = pairing_complete_cb;
1396         conn->disconn_cfm_cb = pairing_complete_cb;
1397         conn->io_capability = cp->io_cap;
1398         cmd->user_data = conn;
1399
1400         if (conn->state == BT_CONNECTED &&
1401                                 hci_conn_security(conn, sec_level, auth_type))
1402                 pairing_complete(cmd, 0);
1403
1404         err = 0;
1405
1406 unlock:
1407         hci_dev_unlock_bh(hdev);
1408         hci_dev_put(hdev);
1409
1410         return err;
1411 }
1412
1413 static int user_confirm_reply(struct sock *sk, u16 index, unsigned char *data,
1414                                                         u16 len, int success)
1415 {
1416         struct mgmt_cp_user_confirm_reply *cp = (void *) data;
1417         u16 mgmt_op, hci_op;
1418         struct pending_cmd *cmd;
1419         struct hci_dev *hdev;
1420         int err;
1421
1422         BT_DBG("");
1423
1424         if (success) {
1425                 mgmt_op = MGMT_OP_USER_CONFIRM_REPLY;
1426                 hci_op = HCI_OP_USER_CONFIRM_REPLY;
1427         } else {
1428                 mgmt_op = MGMT_OP_USER_CONFIRM_NEG_REPLY;
1429                 hci_op = HCI_OP_USER_CONFIRM_NEG_REPLY;
1430         }
1431
1432         if (len != sizeof(*cp))
1433                 return cmd_status(sk, index, mgmt_op, EINVAL);
1434
1435         hdev = hci_dev_get(index);
1436         if (!hdev)
1437                 return cmd_status(sk, index, mgmt_op, ENODEV);
1438
1439         hci_dev_lock_bh(hdev);
1440
1441         if (!test_bit(HCI_UP, &hdev->flags)) {
1442                 err = cmd_status(sk, index, mgmt_op, ENETDOWN);
1443                 goto failed;
1444         }
1445
1446         cmd = mgmt_pending_add(sk, mgmt_op, index, data, len);
1447         if (!cmd) {
1448                 err = -ENOMEM;
1449                 goto failed;
1450         }
1451
1452         err = hci_send_cmd(hdev, hci_op, sizeof(cp->bdaddr), &cp->bdaddr);
1453         if (err < 0)
1454                 mgmt_pending_remove(cmd);
1455
1456 failed:
1457         hci_dev_unlock_bh(hdev);
1458         hci_dev_put(hdev);
1459
1460         return err;
1461 }
1462
1463 static int set_local_name(struct sock *sk, u16 index, unsigned char *data,
1464                                                                 u16 len)
1465 {
1466         struct mgmt_cp_set_local_name *mgmt_cp = (void *) data;
1467         struct hci_cp_write_local_name hci_cp;
1468         struct hci_dev *hdev;
1469         struct pending_cmd *cmd;
1470         int err;
1471
1472         BT_DBG("");
1473
1474         if (len != sizeof(*mgmt_cp))
1475                 return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, EINVAL);
1476
1477         hdev = hci_dev_get(index);
1478         if (!hdev)
1479                 return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, ENODEV);
1480
1481         hci_dev_lock_bh(hdev);
1482
1483         cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, index, data, len);
1484         if (!cmd) {
1485                 err = -ENOMEM;
1486                 goto failed;
1487         }
1488
1489         memcpy(hci_cp.name, mgmt_cp->name, sizeof(hci_cp.name));
1490         err = hci_send_cmd(hdev, HCI_OP_WRITE_LOCAL_NAME, sizeof(hci_cp),
1491                                                                 &hci_cp);
1492         if (err < 0)
1493                 mgmt_pending_remove(cmd);
1494
1495 failed:
1496         hci_dev_unlock_bh(hdev);
1497         hci_dev_put(hdev);
1498
1499         return err;
1500 }
1501
1502 static int read_local_oob_data(struct sock *sk, u16 index)
1503 {
1504         struct hci_dev *hdev;
1505         struct pending_cmd *cmd;
1506         int err;
1507
1508         BT_DBG("hci%u", index);
1509
1510         hdev = hci_dev_get(index);
1511         if (!hdev)
1512                 return cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
1513                                                                         ENODEV);
1514
1515         hci_dev_lock_bh(hdev);
1516
1517         if (!test_bit(HCI_UP, &hdev->flags)) {
1518                 err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
1519                                                                 ENETDOWN);
1520                 goto unlock;
1521         }
1522
1523         if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) {
1524                 err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
1525                                                                 EOPNOTSUPP);
1526                 goto unlock;
1527         }
1528
1529         if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, index)) {
1530                 err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, EBUSY);
1531                 goto unlock;
1532         }
1533
1534         cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, index, NULL, 0);
1535         if (!cmd) {
1536                 err = -ENOMEM;
1537                 goto unlock;
1538         }
1539
1540         err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
1541         if (err < 0)
1542                 mgmt_pending_remove(cmd);
1543
1544 unlock:
1545         hci_dev_unlock_bh(hdev);
1546         hci_dev_put(hdev);
1547
1548         return err;
1549 }
1550
1551 static int add_remote_oob_data(struct sock *sk, u16 index, unsigned char *data,
1552                                                                         u16 len)
1553 {
1554         struct hci_dev *hdev;
1555         struct mgmt_cp_add_remote_oob_data *cp = (void *) data;
1556         int err;
1557
1558         BT_DBG("hci%u ", index);
1559
1560         if (len != sizeof(*cp))
1561                 return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA,
1562                                                                         EINVAL);
1563
1564         hdev = hci_dev_get(index);
1565         if (!hdev)
1566                 return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA,
1567                                                                         ENODEV);
1568
1569         hci_dev_lock_bh(hdev);
1570
1571         err = hci_add_remote_oob_data(hdev, &cp->bdaddr, cp->hash,
1572                                                                 cp->randomizer);
1573         if (err < 0)
1574                 err = cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, -err);
1575         else
1576                 err = cmd_complete(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, NULL,
1577                                                                         0);
1578
1579         hci_dev_unlock_bh(hdev);
1580         hci_dev_put(hdev);
1581
1582         return err;
1583 }
1584
1585 static int remove_remote_oob_data(struct sock *sk, u16 index,
1586                                                 unsigned char *data, u16 len)
1587 {
1588         struct hci_dev *hdev;
1589         struct mgmt_cp_remove_remote_oob_data *cp = (void *) data;
1590         int err;
1591
1592         BT_DBG("hci%u ", index);
1593
1594         if (len != sizeof(*cp))
1595                 return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
1596                                                                         EINVAL);
1597
1598         hdev = hci_dev_get(index);
1599         if (!hdev)
1600                 return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
1601                                                                         ENODEV);
1602
1603         hci_dev_lock_bh(hdev);
1604
1605         err = hci_remove_remote_oob_data(hdev, &cp->bdaddr);
1606         if (err < 0)
1607                 err = cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
1608                                                                         -err);
1609         else
1610                 err = cmd_complete(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
1611                                                                 NULL, 0);
1612
1613         hci_dev_unlock_bh(hdev);
1614         hci_dev_put(hdev);
1615
1616         return err;
1617 }
1618
1619 static int start_discovery(struct sock *sk, u16 index)
1620 {
1621         u8 lap[3] = { 0x33, 0x8b, 0x9e };
1622         struct hci_cp_inquiry cp;
1623         struct pending_cmd *cmd;
1624         struct hci_dev *hdev;
1625         int err;
1626
1627         BT_DBG("hci%u", index);
1628
1629         hdev = hci_dev_get(index);
1630         if (!hdev)
1631                 return cmd_status(sk, index, MGMT_OP_START_DISCOVERY, ENODEV);
1632
1633         hci_dev_lock_bh(hdev);
1634
1635         cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, index, NULL, 0);
1636         if (!cmd) {
1637                 err = -ENOMEM;
1638                 goto failed;
1639         }
1640
1641         memset(&cp, 0, sizeof(cp));
1642         memcpy(&cp.lap, lap, 3);
1643         cp.length  = 0x08;
1644         cp.num_rsp = 0x00;
1645
1646         err = hci_send_cmd(hdev, HCI_OP_INQUIRY, sizeof(cp), &cp);
1647         if (err < 0)
1648                 mgmt_pending_remove(cmd);
1649
1650 failed:
1651         hci_dev_unlock_bh(hdev);
1652         hci_dev_put(hdev);
1653
1654         return err;
1655 }
1656
1657 static int stop_discovery(struct sock *sk, u16 index)
1658 {
1659         struct hci_dev *hdev;
1660         struct pending_cmd *cmd;
1661         int err;
1662
1663         BT_DBG("hci%u", index);
1664
1665         hdev = hci_dev_get(index);
1666         if (!hdev)
1667                 return cmd_status(sk, index, MGMT_OP_STOP_DISCOVERY, ENODEV);
1668
1669         hci_dev_lock_bh(hdev);
1670
1671         cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, index, NULL, 0);
1672         if (!cmd) {
1673                 err = -ENOMEM;
1674                 goto failed;
1675         }
1676
1677         err = hci_send_cmd(hdev, HCI_OP_INQUIRY_CANCEL, 0, NULL);
1678         if (err < 0)
1679                 mgmt_pending_remove(cmd);
1680
1681 failed:
1682         hci_dev_unlock_bh(hdev);
1683         hci_dev_put(hdev);
1684
1685         return err;
1686 }
1687
1688 static int block_device(struct sock *sk, u16 index, unsigned char *data,
1689                                                                 u16 len)
1690 {
1691         struct hci_dev *hdev;
1692         struct mgmt_cp_block_device *cp;
1693         int err;
1694
1695         BT_DBG("hci%u", index);
1696
1697         cp = (void *) data;
1698
1699         if (len != sizeof(*cp))
1700                 return cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE,
1701                                                         EINVAL);
1702
1703         hdev = hci_dev_get(index);
1704         if (!hdev)
1705                 return cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE,
1706                                                         ENODEV);
1707
1708         err = hci_blacklist_add(hdev, &cp->bdaddr);
1709
1710         if (err < 0)
1711                 err = cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE, -err);
1712         else
1713                 err = cmd_complete(sk, index, MGMT_OP_BLOCK_DEVICE,
1714                                                         NULL, 0);
1715         hci_dev_put(hdev);
1716
1717         return err;
1718 }
1719
1720 static int unblock_device(struct sock *sk, u16 index, unsigned char *data,
1721                                                                 u16 len)
1722 {
1723         struct hci_dev *hdev;
1724         struct mgmt_cp_unblock_device *cp;
1725         int err;
1726
1727         BT_DBG("hci%u", index);
1728
1729         cp = (void *) data;
1730
1731         if (len != sizeof(*cp))
1732                 return cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE,
1733                                                                 EINVAL);
1734
1735         hdev = hci_dev_get(index);
1736         if (!hdev)
1737                 return cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE,
1738                                                                 ENODEV);
1739
1740         err = hci_blacklist_del(hdev, &cp->bdaddr);
1741
1742         if (err < 0)
1743                 err = cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE, -err);
1744         else
1745                 err = cmd_complete(sk, index, MGMT_OP_UNBLOCK_DEVICE,
1746                                                                 NULL, 0);
1747         hci_dev_put(hdev);
1748
1749         return err;
1750 }
1751
1752 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
1753 {
1754         unsigned char *buf;
1755         struct mgmt_hdr *hdr;
1756         u16 opcode, index, len;
1757         int err;
1758
1759         BT_DBG("got %zu bytes", msglen);
1760
1761         if (msglen < sizeof(*hdr))
1762                 return -EINVAL;
1763
1764         buf = kmalloc(msglen, GFP_KERNEL);
1765         if (!buf)
1766                 return -ENOMEM;
1767
1768         if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
1769                 err = -EFAULT;
1770                 goto done;
1771         }
1772
1773         hdr = (struct mgmt_hdr *) buf;
1774         opcode = get_unaligned_le16(&hdr->opcode);
1775         index = get_unaligned_le16(&hdr->index);
1776         len = get_unaligned_le16(&hdr->len);
1777
1778         if (len != msglen - sizeof(*hdr)) {
1779                 err = -EINVAL;
1780                 goto done;
1781         }
1782
1783         switch (opcode) {
1784         case MGMT_OP_READ_VERSION:
1785                 err = read_version(sk);
1786                 break;
1787         case MGMT_OP_READ_INDEX_LIST:
1788                 err = read_index_list(sk);
1789                 break;
1790         case MGMT_OP_READ_INFO:
1791                 err = read_controller_info(sk, index);
1792                 break;
1793         case MGMT_OP_SET_POWERED:
1794                 err = set_powered(sk, index, buf + sizeof(*hdr), len);
1795                 break;
1796         case MGMT_OP_SET_DISCOVERABLE:
1797                 err = set_discoverable(sk, index, buf + sizeof(*hdr), len);
1798                 break;
1799         case MGMT_OP_SET_CONNECTABLE:
1800                 err = set_connectable(sk, index, buf + sizeof(*hdr), len);
1801                 break;
1802         case MGMT_OP_SET_PAIRABLE:
1803                 err = set_pairable(sk, index, buf + sizeof(*hdr), len);
1804                 break;
1805         case MGMT_OP_ADD_UUID:
1806                 err = add_uuid(sk, index, buf + sizeof(*hdr), len);
1807                 break;
1808         case MGMT_OP_REMOVE_UUID:
1809                 err = remove_uuid(sk, index, buf + sizeof(*hdr), len);
1810                 break;
1811         case MGMT_OP_SET_DEV_CLASS:
1812                 err = set_dev_class(sk, index, buf + sizeof(*hdr), len);
1813                 break;
1814         case MGMT_OP_SET_SERVICE_CACHE:
1815                 err = set_service_cache(sk, index, buf + sizeof(*hdr), len);
1816                 break;
1817         case MGMT_OP_LOAD_KEYS:
1818                 err = load_keys(sk, index, buf + sizeof(*hdr), len);
1819                 break;
1820         case MGMT_OP_REMOVE_KEY:
1821                 err = remove_key(sk, index, buf + sizeof(*hdr), len);
1822                 break;
1823         case MGMT_OP_DISCONNECT:
1824                 err = disconnect(sk, index, buf + sizeof(*hdr), len);
1825                 break;
1826         case MGMT_OP_GET_CONNECTIONS:
1827                 err = get_connections(sk, index);
1828                 break;
1829         case MGMT_OP_PIN_CODE_REPLY:
1830                 err = pin_code_reply(sk, index, buf + sizeof(*hdr), len);
1831                 break;
1832         case MGMT_OP_PIN_CODE_NEG_REPLY:
1833                 err = pin_code_neg_reply(sk, index, buf + sizeof(*hdr), len);
1834                 break;
1835         case MGMT_OP_SET_IO_CAPABILITY:
1836                 err = set_io_capability(sk, index, buf + sizeof(*hdr), len);
1837                 break;
1838         case MGMT_OP_PAIR_DEVICE:
1839                 err = pair_device(sk, index, buf + sizeof(*hdr), len);
1840                 break;
1841         case MGMT_OP_USER_CONFIRM_REPLY:
1842                 err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len, 1);
1843                 break;
1844         case MGMT_OP_USER_CONFIRM_NEG_REPLY:
1845                 err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len, 0);
1846                 break;
1847         case MGMT_OP_SET_LOCAL_NAME:
1848                 err = set_local_name(sk, index, buf + sizeof(*hdr), len);
1849                 break;
1850         case MGMT_OP_READ_LOCAL_OOB_DATA:
1851                 err = read_local_oob_data(sk, index);
1852                 break;
1853         case MGMT_OP_ADD_REMOTE_OOB_DATA:
1854                 err = add_remote_oob_data(sk, index, buf + sizeof(*hdr), len);
1855                 break;
1856         case MGMT_OP_REMOVE_REMOTE_OOB_DATA:
1857                 err = remove_remote_oob_data(sk, index, buf + sizeof(*hdr),
1858                                                                         len);
1859                 break;
1860         case MGMT_OP_START_DISCOVERY:
1861                 err = start_discovery(sk, index);
1862                 break;
1863         case MGMT_OP_STOP_DISCOVERY:
1864                 err = stop_discovery(sk, index);
1865                 break;
1866         case MGMT_OP_BLOCK_DEVICE:
1867                 err = block_device(sk, index, buf + sizeof(*hdr), len);
1868                 break;
1869         case MGMT_OP_UNBLOCK_DEVICE:
1870                 err = unblock_device(sk, index, buf + sizeof(*hdr), len);
1871                 break;
1872         default:
1873                 BT_DBG("Unknown op %u", opcode);
1874                 err = cmd_status(sk, index, opcode, 0x01);
1875                 break;
1876         }
1877
1878         if (err < 0)
1879                 goto done;
1880
1881         err = msglen;
1882
1883 done:
1884         kfree(buf);
1885         return err;
1886 }
1887
1888 int mgmt_index_added(u16 index)
1889 {
1890         return mgmt_event(MGMT_EV_INDEX_ADDED, index, NULL, 0, NULL);
1891 }
1892
1893 int mgmt_index_removed(u16 index)
1894 {
1895         return mgmt_event(MGMT_EV_INDEX_REMOVED, index, NULL, 0, NULL);
1896 }
1897
1898 struct cmd_lookup {
1899         u8 val;
1900         struct sock *sk;
1901 };
1902
1903 static void mode_rsp(struct pending_cmd *cmd, void *data)
1904 {
1905         struct mgmt_mode *cp = cmd->param;
1906         struct cmd_lookup *match = data;
1907
1908         if (cp->val != match->val)
1909                 return;
1910
1911         send_mode_rsp(cmd->sk, cmd->opcode, cmd->index, cp->val);
1912
1913         list_del(&cmd->list);
1914
1915         if (match->sk == NULL) {
1916                 match->sk = cmd->sk;
1917                 sock_hold(match->sk);
1918         }
1919
1920         mgmt_pending_free(cmd);
1921 }
1922
1923 int mgmt_powered(u16 index, u8 powered)
1924 {
1925         struct mgmt_mode ev;
1926         struct cmd_lookup match = { powered, NULL };
1927         int ret;
1928
1929         mgmt_pending_foreach(MGMT_OP_SET_POWERED, index, mode_rsp, &match);
1930
1931         ev.val = powered;
1932
1933         ret = mgmt_event(MGMT_EV_POWERED, index, &ev, sizeof(ev), match.sk);
1934
1935         if (match.sk)
1936                 sock_put(match.sk);
1937
1938         return ret;
1939 }
1940
1941 int mgmt_discoverable(u16 index, u8 discoverable)
1942 {
1943         struct mgmt_mode ev;
1944         struct cmd_lookup match = { discoverable, NULL };
1945         int ret;
1946
1947         mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, index, mode_rsp, &match);
1948
1949         ev.val = discoverable;
1950
1951         ret = mgmt_event(MGMT_EV_DISCOVERABLE, index, &ev, sizeof(ev),
1952                                                                 match.sk);
1953
1954         if (match.sk)
1955                 sock_put(match.sk);
1956
1957         return ret;
1958 }
1959
1960 int mgmt_connectable(u16 index, u8 connectable)
1961 {
1962         struct mgmt_mode ev;
1963         struct cmd_lookup match = { connectable, NULL };
1964         int ret;
1965
1966         mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, index, mode_rsp, &match);
1967
1968         ev.val = connectable;
1969
1970         ret = mgmt_event(MGMT_EV_CONNECTABLE, index, &ev, sizeof(ev), match.sk);
1971
1972         if (match.sk)
1973                 sock_put(match.sk);
1974
1975         return ret;
1976 }
1977
1978 int mgmt_new_key(u16 index, struct link_key *key, u8 persistent)
1979 {
1980         struct mgmt_ev_new_key *ev;
1981         int err, total;
1982
1983         total = sizeof(struct mgmt_ev_new_key) + key->dlen;
1984         ev = kzalloc(total, GFP_ATOMIC);
1985         if (!ev)
1986                 return -ENOMEM;
1987
1988         bacpy(&ev->key.bdaddr, &key->bdaddr);
1989         ev->key.type = key->type;
1990         memcpy(ev->key.val, key->val, 16);
1991         ev->key.pin_len = key->pin_len;
1992         ev->key.dlen = key->dlen;
1993         ev->store_hint = persistent;
1994
1995         memcpy(ev->key.data, key->data, key->dlen);
1996
1997         err = mgmt_event(MGMT_EV_NEW_KEY, index, ev, total, NULL);
1998
1999         kfree(ev);
2000
2001         return err;
2002 }
2003
2004 int mgmt_connected(u16 index, bdaddr_t *bdaddr)
2005 {
2006         struct mgmt_ev_connected ev;
2007
2008         bacpy(&ev.bdaddr, bdaddr);
2009
2010         return mgmt_event(MGMT_EV_CONNECTED, index, &ev, sizeof(ev), NULL);
2011 }
2012
2013 static void disconnect_rsp(struct pending_cmd *cmd, void *data)
2014 {
2015         struct mgmt_cp_disconnect *cp = cmd->param;
2016         struct sock **sk = data;
2017         struct mgmt_rp_disconnect rp;
2018
2019         bacpy(&rp.bdaddr, &cp->bdaddr);
2020
2021         cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, &rp, sizeof(rp));
2022
2023         *sk = cmd->sk;
2024         sock_hold(*sk);
2025
2026         mgmt_pending_remove(cmd);
2027 }
2028
2029 int mgmt_disconnected(u16 index, bdaddr_t *bdaddr)
2030 {
2031         struct mgmt_ev_disconnected ev;
2032         struct sock *sk = NULL;
2033         int err;
2034
2035         mgmt_pending_foreach(MGMT_OP_DISCONNECT, index, disconnect_rsp, &sk);
2036
2037         bacpy(&ev.bdaddr, bdaddr);
2038
2039         err = mgmt_event(MGMT_EV_DISCONNECTED, index, &ev, sizeof(ev), sk);
2040
2041         if (sk)
2042                 sock_put(sk);
2043
2044         return err;
2045 }
2046
2047 int mgmt_disconnect_failed(u16 index)
2048 {
2049         struct pending_cmd *cmd;
2050         int err;
2051
2052         cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, index);
2053         if (!cmd)
2054                 return -ENOENT;
2055
2056         err = cmd_status(cmd->sk, index, MGMT_OP_DISCONNECT, EIO);
2057
2058         mgmt_pending_remove(cmd);
2059
2060         return err;
2061 }
2062
2063 int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status)
2064 {
2065         struct mgmt_ev_connect_failed ev;
2066
2067         bacpy(&ev.bdaddr, bdaddr);
2068         ev.status = status;
2069
2070         return mgmt_event(MGMT_EV_CONNECT_FAILED, index, &ev, sizeof(ev), NULL);
2071 }
2072
2073 int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure)
2074 {
2075         struct mgmt_ev_pin_code_request ev;
2076
2077         bacpy(&ev.bdaddr, bdaddr);
2078         ev.secure = secure;
2079
2080         return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, index, &ev, sizeof(ev),
2081                                                                         NULL);
2082 }
2083
2084 int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
2085 {
2086         struct pending_cmd *cmd;
2087         struct mgmt_rp_pin_code_reply rp;
2088         int err;
2089
2090         cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, index);
2091         if (!cmd)
2092                 return -ENOENT;
2093
2094         bacpy(&rp.bdaddr, bdaddr);
2095         rp.status = status;
2096
2097         err = cmd_complete(cmd->sk, index, MGMT_OP_PIN_CODE_REPLY, &rp,
2098                                                                 sizeof(rp));
2099
2100         mgmt_pending_remove(cmd);
2101
2102         return err;
2103 }
2104
2105 int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
2106 {
2107         struct pending_cmd *cmd;
2108         struct mgmt_rp_pin_code_reply rp;
2109         int err;
2110
2111         cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, index);
2112         if (!cmd)
2113                 return -ENOENT;
2114
2115         bacpy(&rp.bdaddr, bdaddr);
2116         rp.status = status;
2117
2118         err = cmd_complete(cmd->sk, index, MGMT_OP_PIN_CODE_NEG_REPLY, &rp,
2119                                                                 sizeof(rp));
2120
2121         mgmt_pending_remove(cmd);
2122
2123         return err;
2124 }
2125
2126 int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value,
2127                                                         u8 confirm_hint)
2128 {
2129         struct mgmt_ev_user_confirm_request ev;
2130
2131         BT_DBG("hci%u", index);
2132
2133         bacpy(&ev.bdaddr, bdaddr);
2134         ev.confirm_hint = confirm_hint;
2135         put_unaligned_le32(value, &ev.value);
2136
2137         return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, index, &ev, sizeof(ev),
2138                                                                         NULL);
2139 }
2140
2141 static int confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status,
2142                                                                 u8 opcode)
2143 {
2144         struct pending_cmd *cmd;
2145         struct mgmt_rp_user_confirm_reply rp;
2146         int err;
2147
2148         cmd = mgmt_pending_find(opcode, index);
2149         if (!cmd)
2150                 return -ENOENT;
2151
2152         bacpy(&rp.bdaddr, bdaddr);
2153         rp.status = status;
2154         err = cmd_complete(cmd->sk, index, opcode, &rp, sizeof(rp));
2155
2156         mgmt_pending_remove(cmd);
2157
2158         return err;
2159 }
2160
2161 int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
2162 {
2163         return confirm_reply_complete(index, bdaddr, status,
2164                                                 MGMT_OP_USER_CONFIRM_REPLY);
2165 }
2166
2167 int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
2168 {
2169         return confirm_reply_complete(index, bdaddr, status,
2170                                         MGMT_OP_USER_CONFIRM_NEG_REPLY);
2171 }
2172
2173 int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status)
2174 {
2175         struct mgmt_ev_auth_failed ev;
2176
2177         bacpy(&ev.bdaddr, bdaddr);
2178         ev.status = status;
2179
2180         return mgmt_event(MGMT_EV_AUTH_FAILED, index, &ev, sizeof(ev), NULL);
2181 }
2182
2183 int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status)
2184 {
2185         struct pending_cmd *cmd;
2186         struct hci_dev *hdev;
2187         struct mgmt_cp_set_local_name ev;
2188         int err;
2189
2190         memset(&ev, 0, sizeof(ev));
2191         memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
2192
2193         cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, index);
2194         if (!cmd)
2195                 goto send_event;
2196
2197         if (status) {
2198                 err = cmd_status(cmd->sk, index, MGMT_OP_SET_LOCAL_NAME, EIO);
2199                 goto failed;
2200         }
2201
2202         hdev = hci_dev_get(index);
2203         if (hdev) {
2204                 hci_dev_lock_bh(hdev);
2205                 update_eir(hdev);
2206                 hci_dev_unlock_bh(hdev);
2207                 hci_dev_put(hdev);
2208         }
2209
2210         err = cmd_complete(cmd->sk, index, MGMT_OP_SET_LOCAL_NAME, &ev,
2211                                                                 sizeof(ev));
2212         if (err < 0)
2213                 goto failed;
2214
2215 send_event:
2216         err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, index, &ev, sizeof(ev),
2217                                                         cmd ? cmd->sk : NULL);
2218
2219 failed:
2220         if (cmd)
2221                 mgmt_pending_remove(cmd);
2222         return err;
2223 }
2224
2225 int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
2226                                                                 u8 status)
2227 {
2228         struct pending_cmd *cmd;
2229         int err;
2230
2231         BT_DBG("hci%u status %u", index, status);
2232
2233         cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, index);
2234         if (!cmd)
2235                 return -ENOENT;
2236
2237         if (status) {
2238                 err = cmd_status(cmd->sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
2239                                                                         EIO);
2240         } else {
2241                 struct mgmt_rp_read_local_oob_data rp;
2242
2243                 memcpy(rp.hash, hash, sizeof(rp.hash));
2244                 memcpy(rp.randomizer, randomizer, sizeof(rp.randomizer));
2245
2246                 err = cmd_complete(cmd->sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
2247                                                         &rp, sizeof(rp));
2248         }
2249
2250         mgmt_pending_remove(cmd);
2251
2252         return err;
2253 }
2254
2255 int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
2256                                                                 u8 *eir)
2257 {
2258         struct mgmt_ev_device_found ev;
2259
2260         memset(&ev, 0, sizeof(ev));
2261
2262         bacpy(&ev.bdaddr, bdaddr);
2263         memcpy(ev.dev_class, dev_class, sizeof(ev.dev_class));
2264         ev.rssi = rssi;
2265
2266         if (eir)
2267                 memcpy(ev.eir, eir, sizeof(ev.eir));
2268
2269         return mgmt_event(MGMT_EV_DEVICE_FOUND, index, &ev, sizeof(ev), NULL);
2270 }
2271
2272 int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name)
2273 {
2274         struct mgmt_ev_remote_name ev;
2275
2276         memset(&ev, 0, sizeof(ev));
2277
2278         bacpy(&ev.bdaddr, bdaddr);
2279         memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
2280
2281         return mgmt_event(MGMT_EV_REMOTE_NAME, index, &ev, sizeof(ev), NULL);
2282 }
2283
2284 int mgmt_discovering(u16 index, u8 discovering)
2285 {
2286         return mgmt_event(MGMT_EV_DISCOVERING, index, &discovering,
2287                                                 sizeof(discovering), NULL);
2288 }