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net/bluetooth/hci_sock.c
45.2 KB
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/* |
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BlueZ - Bluetooth protocol stack for Linux Copyright (C) 2000-2001 Qualcomm Incorporated Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY |
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CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
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SOFTWARE IS DISCLAIMED. */ /* Bluetooth HCI sockets. */ |
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#include <linux/compat.h> |
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#include <linux/export.h> |
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#include <linux/utsname.h> |
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#include <linux/sched.h> |
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#include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> |
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#include <net/bluetooth/hci_mon.h> |
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#include <net/bluetooth/mgmt.h> #include "mgmt_util.h" |
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|
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static LIST_HEAD(mgmt_chan_list); static DEFINE_MUTEX(mgmt_chan_list_lock); |
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static DEFINE_IDA(sock_cookie_ida); |
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static atomic_t monitor_promisc = ATOMIC_INIT(0); |
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/* ----- HCI socket interface ----- */ |
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/* Socket info */ #define hci_pi(sk) ((struct hci_pinfo *) sk) struct hci_pinfo { struct bt_sock bt; struct hci_dev *hdev; struct hci_filter filter; |
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__u8 cmsg_mask; |
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unsigned short channel; |
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unsigned long flags; |
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__u32 cookie; char comm[TASK_COMM_LEN]; |
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}; |
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void hci_sock_set_flag(struct sock *sk, int nr) { set_bit(nr, &hci_pi(sk)->flags); } void hci_sock_clear_flag(struct sock *sk, int nr) { clear_bit(nr, &hci_pi(sk)->flags); } |
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int hci_sock_test_flag(struct sock *sk, int nr) { return test_bit(nr, &hci_pi(sk)->flags); } |
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unsigned short hci_sock_get_channel(struct sock *sk) { return hci_pi(sk)->channel; } |
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u32 hci_sock_get_cookie(struct sock *sk) { return hci_pi(sk)->cookie; } |
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static bool hci_sock_gen_cookie(struct sock *sk) { int id = hci_pi(sk)->cookie; if (!id) { id = ida_simple_get(&sock_cookie_ida, 1, 0, GFP_KERNEL); if (id < 0) id = 0xffffffff; hci_pi(sk)->cookie = id; get_task_comm(hci_pi(sk)->comm, current); return true; } return false; } static void hci_sock_free_cookie(struct sock *sk) { int id = hci_pi(sk)->cookie; if (id) { hci_pi(sk)->cookie = 0xffffffff; ida_simple_remove(&sock_cookie_ida, id); } } |
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static inline int hci_test_bit(int nr, const void *addr) |
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{ |
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return *((const __u32 *) addr + (nr >> 5)) & ((__u32) 1 << (nr & 31)); |
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} /* Security filter */ |
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#define HCI_SFLT_MAX_OGF 5 struct hci_sec_filter { __u32 type_mask; __u32 event_mask[2]; __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; }; |
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static const struct hci_sec_filter hci_sec_filter = { |
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/* Packet types */ 0x10, /* Events */ |
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{ 0x1000d9fe, 0x0000b00c }, |
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/* Commands */ { { 0x0 }, /* OGF_LINK_CTL */ |
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{ 0xbe000006, 0x00000001, 0x00000000, 0x00 }, |
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/* OGF_LINK_POLICY */ |
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{ 0x00005200, 0x00000000, 0x00000000, 0x00 }, |
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/* OGF_HOST_CTL */ |
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{ 0xaab00200, 0x2b402aaa, 0x05220154, 0x00 }, |
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/* OGF_INFO_PARAM */ |
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{ 0x000002be, 0x00000000, 0x00000000, 0x00 }, |
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/* OGF_STATUS_PARAM */ |
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{ 0x000000ea, 0x00000000, 0x00000000, 0x00 } |
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} }; static struct bt_sock_list hci_sk_list = { |
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.lock = __RW_LOCK_UNLOCKED(hci_sk_list.lock) |
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}; |
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static bool is_filtered_packet(struct sock *sk, struct sk_buff *skb) { struct hci_filter *flt; int flt_type, flt_event; /* Apply filter */ flt = &hci_pi(sk)->filter; |
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flt_type = hci_skb_pkt_type(skb) & HCI_FLT_TYPE_BITS; |
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if (!test_bit(flt_type, &flt->type_mask)) return true; /* Extra filter for event packets only */ |
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if (hci_skb_pkt_type(skb) != HCI_EVENT_PKT) |
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return false; flt_event = (*(__u8 *)skb->data & HCI_FLT_EVENT_BITS); if (!hci_test_bit(flt_event, &flt->event_mask)) return true; /* Check filter only when opcode is set */ if (!flt->opcode) return false; if (flt_event == HCI_EV_CMD_COMPLETE && flt->opcode != get_unaligned((__le16 *)(skb->data + 3))) return true; if (flt_event == HCI_EV_CMD_STATUS && flt->opcode != get_unaligned((__le16 *)(skb->data + 4))) return true; return false; } |
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/* Send frame to RAW socket */ |
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void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb) |
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{ struct sock *sk; |
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struct sk_buff *skb_copy = NULL; |
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BT_DBG("hdev %p len %d", hdev, skb->len); read_lock(&hci_sk_list.lock); |
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|
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sk_for_each(sk, &hci_sk_list.head) { |
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struct sk_buff *nskb; if (sk->sk_state != BT_BOUND || hci_pi(sk)->hdev != hdev) continue; /* Don't send frame to the socket it came from */ if (skb->sk == sk) continue; |
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if (hci_pi(sk)->channel == HCI_CHANNEL_RAW) { |
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if (hci_skb_pkt_type(skb) != HCI_COMMAND_PKT && hci_skb_pkt_type(skb) != HCI_EVENT_PKT && hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT && |
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hci_skb_pkt_type(skb) != HCI_SCODATA_PKT && hci_skb_pkt_type(skb) != HCI_ISODATA_PKT) |
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continue; |
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if (is_filtered_packet(sk, skb)) continue; } else if (hci_pi(sk)->channel == HCI_CHANNEL_USER) { if (!bt_cb(skb)->incoming) continue; |
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if (hci_skb_pkt_type(skb) != HCI_EVENT_PKT && hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT && |
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hci_skb_pkt_type(skb) != HCI_SCODATA_PKT && hci_skb_pkt_type(skb) != HCI_ISODATA_PKT) |
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continue; } else { /* Don't send frame to other channel types */ |
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continue; |
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} |
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|
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if (!skb_copy) { /* Create a private copy with headroom */ |
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skb_copy = __pskb_copy_fclone(skb, 1, GFP_ATOMIC, true); |
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if (!skb_copy) continue; /* Put type byte before the data */ |
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memcpy(skb_push(skb_copy, 1), &hci_skb_pkt_type(skb), 1); |
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} nskb = skb_clone(skb_copy, GFP_ATOMIC); |
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if (!nskb) |
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continue; |
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if (sock_queue_rcv_skb(sk, nskb)) kfree_skb(nskb); } read_unlock(&hci_sk_list.lock); |
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kfree_skb(skb_copy); |
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} |
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/* Send frame to sockets with specific channel */ |
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static void __hci_send_to_channel(unsigned short channel, struct sk_buff *skb, int flag, struct sock *skip_sk) |
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{ struct sock *sk; |
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|
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BT_DBG("channel %u len %d", channel, skb->len); |
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|
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sk_for_each(sk, &hci_sk_list.head) { |
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struct sk_buff *nskb; |
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/* Ignore socket without the flag set */ |
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if (!hci_sock_test_flag(sk, flag)) |
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continue; |
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/* Skip the original socket */ if (sk == skip_sk) |
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continue; if (sk->sk_state != BT_BOUND) continue; if (hci_pi(sk)->channel != channel) continue; nskb = skb_clone(skb, GFP_ATOMIC); if (!nskb) continue; if (sock_queue_rcv_skb(sk, nskb)) kfree_skb(nskb); } |
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} void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, int flag, struct sock *skip_sk) { read_lock(&hci_sk_list.lock); __hci_send_to_channel(channel, skb, flag, skip_sk); |
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read_unlock(&hci_sk_list.lock); } |
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/* Send frame to monitor socket */ void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb) { |
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struct sk_buff *skb_copy = NULL; |
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struct hci_mon_hdr *hdr; |
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__le16 opcode; if (!atomic_read(&monitor_promisc)) return; BT_DBG("hdev %p len %d", hdev, skb->len); |
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switch (hci_skb_pkt_type(skb)) { |
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case HCI_COMMAND_PKT: |
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opcode = cpu_to_le16(HCI_MON_COMMAND_PKT); |
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break; case HCI_EVENT_PKT: |
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opcode = cpu_to_le16(HCI_MON_EVENT_PKT); |
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break; case HCI_ACLDATA_PKT: if (bt_cb(skb)->incoming) |
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opcode = cpu_to_le16(HCI_MON_ACL_RX_PKT); |
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else |
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opcode = cpu_to_le16(HCI_MON_ACL_TX_PKT); |
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break; case HCI_SCODATA_PKT: if (bt_cb(skb)->incoming) |
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opcode = cpu_to_le16(HCI_MON_SCO_RX_PKT); |
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else |
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opcode = cpu_to_le16(HCI_MON_SCO_TX_PKT); |
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break; |
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case HCI_ISODATA_PKT: if (bt_cb(skb)->incoming) opcode = cpu_to_le16(HCI_MON_ISO_RX_PKT); else opcode = cpu_to_le16(HCI_MON_ISO_TX_PKT); break; |
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case HCI_DIAG_PKT: opcode = cpu_to_le16(HCI_MON_VENDOR_DIAG); break; |
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default: return; } |
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/* Create a private copy with headroom */ skb_copy = __pskb_copy_fclone(skb, HCI_MON_HDR_SIZE, GFP_ATOMIC, true); if (!skb_copy) return; /* Put header before the data */ |
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hdr = skb_push(skb_copy, HCI_MON_HDR_SIZE); |
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hdr->opcode = opcode; hdr->index = cpu_to_le16(hdev->id); hdr->len = cpu_to_le16(skb->len); |
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hci_send_to_channel(HCI_CHANNEL_MONITOR, skb_copy, HCI_SOCK_TRUSTED, NULL); |
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kfree_skb(skb_copy); } |
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void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, void *data, u16 data_len, ktime_t tstamp, int flag, struct sock *skip_sk) { struct sock *sk; __le16 index; if (hdev) index = cpu_to_le16(hdev->id); else index = cpu_to_le16(MGMT_INDEX_NONE); read_lock(&hci_sk_list.lock); sk_for_each(sk, &hci_sk_list.head) { struct hci_mon_hdr *hdr; struct sk_buff *skb; if (hci_pi(sk)->channel != HCI_CHANNEL_CONTROL) continue; /* Ignore socket without the flag set */ if (!hci_sock_test_flag(sk, flag)) continue; /* Skip the original socket */ if (sk == skip_sk) continue; skb = bt_skb_alloc(6 + data_len, GFP_ATOMIC); if (!skb) continue; put_unaligned_le32(hci_pi(sk)->cookie, skb_put(skb, 4)); put_unaligned_le16(event, skb_put(skb, 2)); if (data) |
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skb_put_data(skb, data, data_len); |
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skb->tstamp = tstamp; |
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hdr = skb_push(skb, HCI_MON_HDR_SIZE); |
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hdr->opcode = cpu_to_le16(HCI_MON_CTRL_EVENT); hdr->index = index; hdr->len = cpu_to_le16(skb->len - HCI_MON_HDR_SIZE); |
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__hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); |
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kfree_skb(skb); } read_unlock(&hci_sk_list.lock); } |
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static struct sk_buff *create_monitor_event(struct hci_dev *hdev, int event) { struct hci_mon_hdr *hdr; struct hci_mon_new_index *ni; |
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struct hci_mon_index_info *ii; |
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struct sk_buff *skb; __le16 opcode; switch (event) { case HCI_DEV_REG: skb = bt_skb_alloc(HCI_MON_NEW_INDEX_SIZE, GFP_ATOMIC); if (!skb) return NULL; |
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ni = skb_put(skb, HCI_MON_NEW_INDEX_SIZE); |
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ni->type = hdev->dev_type; ni->bus = hdev->bus; bacpy(&ni->bdaddr, &hdev->bdaddr); memcpy(ni->name, hdev->name, 8); |
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opcode = cpu_to_le16(HCI_MON_NEW_INDEX); |
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break; case HCI_DEV_UNREG: skb = bt_skb_alloc(0, GFP_ATOMIC); if (!skb) return NULL; |
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opcode = cpu_to_le16(HCI_MON_DEL_INDEX); |
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break; |
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case HCI_DEV_SETUP: if (hdev->manufacturer == 0xffff) return NULL; |
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fallthrough; |
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|
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case HCI_DEV_UP: skb = bt_skb_alloc(HCI_MON_INDEX_INFO_SIZE, GFP_ATOMIC); if (!skb) return NULL; |
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ii = skb_put(skb, HCI_MON_INDEX_INFO_SIZE); |
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bacpy(&ii->bdaddr, &hdev->bdaddr); ii->manufacturer = cpu_to_le16(hdev->manufacturer); opcode = cpu_to_le16(HCI_MON_INDEX_INFO); break; |
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case HCI_DEV_OPEN: skb = bt_skb_alloc(0, GFP_ATOMIC); if (!skb) return NULL; opcode = cpu_to_le16(HCI_MON_OPEN_INDEX); break; case HCI_DEV_CLOSE: skb = bt_skb_alloc(0, GFP_ATOMIC); if (!skb) return NULL; opcode = cpu_to_le16(HCI_MON_CLOSE_INDEX); break; |
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default: return NULL; } __net_timestamp(skb); |
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hdr = skb_push(skb, HCI_MON_HDR_SIZE); |
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hdr->opcode = opcode; hdr->index = cpu_to_le16(hdev->id); hdr->len = cpu_to_le16(skb->len - HCI_MON_HDR_SIZE); return skb; } |
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static struct sk_buff *create_monitor_ctrl_open(struct sock *sk) { struct hci_mon_hdr *hdr; struct sk_buff *skb; |
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u16 format; |
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u8 ver[3]; u32 flags; |
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/* No message needed when cookie is not present */ if (!hci_pi(sk)->cookie) return NULL; |
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switch (hci_pi(sk)->channel) { |
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case HCI_CHANNEL_RAW: format = 0x0000; ver[0] = BT_SUBSYS_VERSION; put_unaligned_le16(BT_SUBSYS_REVISION, ver + 1); break; |
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case HCI_CHANNEL_USER: format = 0x0001; ver[0] = BT_SUBSYS_VERSION; put_unaligned_le16(BT_SUBSYS_REVISION, ver + 1); break; |
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case HCI_CHANNEL_CONTROL: format = 0x0002; mgmt_fill_version_info(ver); break; default: /* No message for unsupported format */ return NULL; } |
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skb = bt_skb_alloc(14 + TASK_COMM_LEN , GFP_ATOMIC); if (!skb) return NULL; |
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flags = hci_sock_test_flag(sk, HCI_SOCK_TRUSTED) ? 0x1 : 0x0; put_unaligned_le32(hci_pi(sk)->cookie, skb_put(skb, 4)); put_unaligned_le16(format, skb_put(skb, 2)); |
59ae1d127 networking: intro... |
488 |
skb_put_data(skb, ver, sizeof(ver)); |
249fa1699 Bluetooth: Add su... |
489 |
put_unaligned_le32(flags, skb_put(skb, 4)); |
634fef610 networking: add a... |
490 |
skb_put_u8(skb, TASK_COMM_LEN); |
59ae1d127 networking: intro... |
491 |
skb_put_data(skb, hci_pi(sk)->comm, TASK_COMM_LEN); |
249fa1699 Bluetooth: Add su... |
492 493 |
__net_timestamp(skb); |
d58ff3512 networking: make ... |
494 |
hdr = skb_push(skb, HCI_MON_HDR_SIZE); |
249fa1699 Bluetooth: Add su... |
495 |
hdr->opcode = cpu_to_le16(HCI_MON_CTRL_OPEN); |
0ef2c42f8 Bluetooth: Send c... |
496 497 498 499 |
if (hci_pi(sk)->hdev) hdr->index = cpu_to_le16(hci_pi(sk)->hdev->id); else hdr->index = cpu_to_le16(HCI_DEV_NONE); |
249fa1699 Bluetooth: Add su... |
500 501 502 503 504 505 506 507 508 |
hdr->len = cpu_to_le16(skb->len - HCI_MON_HDR_SIZE); return skb; } static struct sk_buff *create_monitor_ctrl_close(struct sock *sk) { struct hci_mon_hdr *hdr; struct sk_buff *skb; |
0ef2c42f8 Bluetooth: Send c... |
509 510 511 |
/* No message needed when cookie is not present */ if (!hci_pi(sk)->cookie) return NULL; |
d0bef1d26 Bluetooth: Add ex... |
512 |
switch (hci_pi(sk)->channel) { |
f81f5b2db Bluetooth: Send c... |
513 |
case HCI_CHANNEL_RAW: |
aa1638dde Bluetooth: Send c... |
514 |
case HCI_CHANNEL_USER: |
d0bef1d26 Bluetooth: Add ex... |
515 516 517 518 519 520 |
case HCI_CHANNEL_CONTROL: break; default: /* No message for unsupported format */ return NULL; } |
249fa1699 Bluetooth: Add su... |
521 522 523 524 525 526 527 |
skb = bt_skb_alloc(4, GFP_ATOMIC); if (!skb) return NULL; put_unaligned_le32(hci_pi(sk)->cookie, skb_put(skb, 4)); __net_timestamp(skb); |
d58ff3512 networking: make ... |
528 |
hdr = skb_push(skb, HCI_MON_HDR_SIZE); |
249fa1699 Bluetooth: Add su... |
529 |
hdr->opcode = cpu_to_le16(HCI_MON_CTRL_CLOSE); |
0ef2c42f8 Bluetooth: Send c... |
530 531 532 533 |
if (hci_pi(sk)->hdev) hdr->index = cpu_to_le16(hci_pi(sk)->hdev->id); else hdr->index = cpu_to_le16(HCI_DEV_NONE); |
249fa1699 Bluetooth: Add su... |
534 535 536 537 |
hdr->len = cpu_to_le16(skb->len - HCI_MON_HDR_SIZE); return skb; } |
38ceaa00d Bluetooth: Add su... |
538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 |
static struct sk_buff *create_monitor_ctrl_command(struct sock *sk, u16 index, u16 opcode, u16 len, const void *buf) { struct hci_mon_hdr *hdr; struct sk_buff *skb; skb = bt_skb_alloc(6 + len, GFP_ATOMIC); if (!skb) return NULL; put_unaligned_le32(hci_pi(sk)->cookie, skb_put(skb, 4)); put_unaligned_le16(opcode, skb_put(skb, 2)); if (buf) |
59ae1d127 networking: intro... |
553 |
skb_put_data(skb, buf, len); |
38ceaa00d Bluetooth: Add su... |
554 555 |
__net_timestamp(skb); |
d58ff3512 networking: make ... |
556 |
hdr = skb_push(skb, HCI_MON_HDR_SIZE); |
38ceaa00d Bluetooth: Add su... |
557 558 559 560 561 562 |
hdr->opcode = cpu_to_le16(HCI_MON_CTRL_COMMAND); hdr->index = cpu_to_le16(index); hdr->len = cpu_to_le16(skb->len - HCI_MON_HDR_SIZE); return skb; } |
787b306cf Bluetooth: avoid ... |
563 564 |
static void __printf(2, 3) send_monitor_note(struct sock *sk, const char *fmt, ...) |
dd31506d4 Bluetooth: Add su... |
565 |
{ |
787b306cf Bluetooth: avoid ... |
566 |
size_t len; |
dd31506d4 Bluetooth: Add su... |
567 568 |
struct hci_mon_hdr *hdr; struct sk_buff *skb; |
787b306cf Bluetooth: avoid ... |
569 570 571 572 573 |
va_list args; va_start(args, fmt); len = vsnprintf(NULL, 0, fmt, args); va_end(args); |
dd31506d4 Bluetooth: Add su... |
574 575 576 577 |
skb = bt_skb_alloc(len + 1, GFP_ATOMIC); if (!skb) return; |
787b306cf Bluetooth: avoid ... |
578 579 |
va_start(args, fmt); vsprintf(skb_put(skb, len), fmt, args); |
4df864c1d networking: make ... |
580 |
*(u8 *)skb_put(skb, 1) = 0; |
787b306cf Bluetooth: avoid ... |
581 |
va_end(args); |
dd31506d4 Bluetooth: Add su... |
582 583 584 585 586 587 588 589 590 591 592 |
__net_timestamp(skb); hdr = (void *)skb_push(skb, HCI_MON_HDR_SIZE); hdr->opcode = cpu_to_le16(HCI_MON_SYSTEM_NOTE); hdr->index = cpu_to_le16(HCI_DEV_NONE); hdr->len = cpu_to_le16(skb->len - HCI_MON_HDR_SIZE); if (sock_queue_rcv_skb(sk, skb)) kfree_skb(skb); } |
cd82e61c1 Bluetooth: Add su... |
593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 |
static void send_monitor_replay(struct sock *sk) { struct hci_dev *hdev; read_lock(&hci_dev_list_lock); list_for_each_entry(hdev, &hci_dev_list, list) { struct sk_buff *skb; skb = create_monitor_event(hdev, HCI_DEV_REG); if (!skb) continue; if (sock_queue_rcv_skb(sk, skb)) kfree_skb(skb); |
22db3cbcf Bluetooth: Send t... |
608 609 610 611 612 613 614 615 616 617 |
if (!test_bit(HCI_RUNNING, &hdev->flags)) continue; skb = create_monitor_event(hdev, HCI_DEV_OPEN); if (!skb) continue; if (sock_queue_rcv_skb(sk, skb)) kfree_skb(skb); |
6c566dd5a Bluetooth: Send i... |
618 |
|
e131d74a3 Bluetooth: Add su... |
619 620 621 622 623 624 |
if (test_bit(HCI_UP, &hdev->flags)) skb = create_monitor_event(hdev, HCI_DEV_UP); else if (hci_dev_test_flag(hdev, HCI_SETUP)) skb = create_monitor_event(hdev, HCI_DEV_SETUP); else skb = NULL; |
6c566dd5a Bluetooth: Send i... |
625 |
|
e131d74a3 Bluetooth: Add su... |
626 627 628 629 |
if (skb) { if (sock_queue_rcv_skb(sk, skb)) kfree_skb(skb); } |
cd82e61c1 Bluetooth: Add su... |
630 631 632 633 |
} read_unlock(&hci_dev_list_lock); } |
249fa1699 Bluetooth: Add su... |
634 635 636 637 638 639 640 641 |
static void send_monitor_control_replay(struct sock *mon_sk) { struct sock *sk; read_lock(&hci_sk_list.lock); sk_for_each(sk, &hci_sk_list.head) { struct sk_buff *skb; |
249fa1699 Bluetooth: Add su... |
642 643 644 645 646 647 648 649 650 651 |
skb = create_monitor_ctrl_open(sk); if (!skb) continue; if (sock_queue_rcv_skb(mon_sk, skb)) kfree_skb(skb); } read_unlock(&hci_sk_list.lock); } |
040030ef7 Bluetooth: Remove... |
652 653 654 655 656 657 658 659 660 661 |
/* Generate internal stack event */ static void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) { struct hci_event_hdr *hdr; struct hci_ev_stack_internal *ev; struct sk_buff *skb; skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC); if (!skb) return; |
4df864c1d networking: make ... |
662 |
hdr = skb_put(skb, HCI_EVENT_HDR_SIZE); |
040030ef7 Bluetooth: Remove... |
663 664 |
hdr->evt = HCI_EV_STACK_INTERNAL; hdr->plen = sizeof(*ev) + dlen; |
4df864c1d networking: make ... |
665 |
ev = skb_put(skb, sizeof(*ev) + dlen); |
040030ef7 Bluetooth: Remove... |
666 667 668 669 670 |
ev->type = type; memcpy(ev->data, data, dlen); bt_cb(skb)->incoming = 1; __net_timestamp(skb); |
d79f34e32 Bluetooth: Use ne... |
671 |
hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
040030ef7 Bluetooth: Remove... |
672 673 674 675 676 677 |
hci_send_to_sock(hdev, skb); kfree_skb(skb); } void hci_sock_dev_event(struct hci_dev *hdev, int event) { |
040030ef7 Bluetooth: Remove... |
678 |
BT_DBG("hdev %s event %d", hdev->name, event); |
cd82e61c1 Bluetooth: Add su... |
679 680 |
if (atomic_read(&monitor_promisc)) { struct sk_buff *skb; |
ed1b28a48 Bluetooth: Limit ... |
681 |
/* Send event to monitor */ |
cd82e61c1 Bluetooth: Add su... |
682 683 |
skb = create_monitor_event(hdev, event); if (skb) { |
c08b1a1db Bluetooth: Consol... |
684 685 |
hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); |
cd82e61c1 Bluetooth: Add su... |
686 687 688 |
kfree_skb(skb); } } |
ed1b28a48 Bluetooth: Limit ... |
689 690 691 692 693 694 695 696 |
if (event <= HCI_DEV_DOWN) { struct hci_ev_si_device ev; /* Send event to sockets */ ev.event = event; ev.dev_id = hdev->id; hci_si_event(NULL, HCI_EV_SI_DEVICE, sizeof(ev), &ev); } |
040030ef7 Bluetooth: Remove... |
697 698 699 |
if (event == HCI_DEV_UNREG) { struct sock *sk; |
040030ef7 Bluetooth: Remove... |
700 701 702 |
/* Detach sockets from device */ read_lock(&hci_sk_list.lock); |
b67bfe0d4 hlist: drop the n... |
703 |
sk_for_each(sk, &hci_sk_list.head) { |
040030ef7 Bluetooth: Remove... |
704 705 706 707 708 709 710 711 712 713 714 715 716 717 |
bh_lock_sock_nested(sk); if (hci_pi(sk)->hdev == hdev) { hci_pi(sk)->hdev = NULL; sk->sk_err = EPIPE; sk->sk_state = BT_OPEN; sk->sk_state_change(sk); hci_dev_put(hdev); } bh_unlock_sock(sk); } read_unlock(&hci_sk_list.lock); } } |
801c1e8da Bluetooth: Add mg... |
718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 |
static struct hci_mgmt_chan *__hci_mgmt_chan_find(unsigned short channel) { struct hci_mgmt_chan *c; list_for_each_entry(c, &mgmt_chan_list, list) { if (c->channel == channel) return c; } return NULL; } static struct hci_mgmt_chan *hci_mgmt_chan_find(unsigned short channel) { struct hci_mgmt_chan *c; mutex_lock(&mgmt_chan_list_lock); c = __hci_mgmt_chan_find(channel); mutex_unlock(&mgmt_chan_list_lock); return c; } int hci_mgmt_chan_register(struct hci_mgmt_chan *c) { if (c->channel < HCI_CHANNEL_CONTROL) return -EINVAL; mutex_lock(&mgmt_chan_list_lock); if (__hci_mgmt_chan_find(c->channel)) { mutex_unlock(&mgmt_chan_list_lock); return -EALREADY; } list_add_tail(&c->list, &mgmt_chan_list); mutex_unlock(&mgmt_chan_list_lock); return 0; } EXPORT_SYMBOL(hci_mgmt_chan_register); void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c) { mutex_lock(&mgmt_chan_list_lock); list_del(&c->list); mutex_unlock(&mgmt_chan_list_lock); } EXPORT_SYMBOL(hci_mgmt_chan_unregister); |
1da177e4c Linux-2.6.12-rc2 |
767 768 769 |
static int hci_sock_release(struct socket *sock) { struct sock *sk = sock->sk; |
7b005bd34 [Bluetooth] Fix N... |
770 |
struct hci_dev *hdev; |
249fa1699 Bluetooth: Add su... |
771 |
struct sk_buff *skb; |
1da177e4c Linux-2.6.12-rc2 |
772 773 774 775 776 |
BT_DBG("sock %p sk %p", sock, sk); if (!sk) return 0; |
11eb85ec4 Bluetooth: Fix ra... |
777 |
lock_sock(sk); |
70ecce91e Bluetooth: Store ... |
778 779 |
switch (hci_pi(sk)->channel) { case HCI_CHANNEL_MONITOR: |
cd82e61c1 Bluetooth: Add su... |
780 |
atomic_dec(&monitor_promisc); |
70ecce91e Bluetooth: Store ... |
781 |
break; |
f81f5b2db Bluetooth: Send c... |
782 |
case HCI_CHANNEL_RAW: |
aa1638dde Bluetooth: Send c... |
783 |
case HCI_CHANNEL_USER: |
70ecce91e Bluetooth: Store ... |
784 |
case HCI_CHANNEL_CONTROL: |
249fa1699 Bluetooth: Add su... |
785 786 787 788 789 790 791 |
/* Send event to monitor */ skb = create_monitor_ctrl_close(sk); if (skb) { hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); kfree_skb(skb); } |
df1cb87af Bluetooth: Introd... |
792 |
hci_sock_free_cookie(sk); |
70ecce91e Bluetooth: Store ... |
793 794 |
break; } |
cd82e61c1 Bluetooth: Add su... |
795 |
|
1da177e4c Linux-2.6.12-rc2 |
796 |
bt_sock_unlink(&hci_sk_list, sk); |
e20a2e9c4 Bluetooth: Fix de... |
797 |
hdev = hci_pi(sk)->hdev; |
1da177e4c Linux-2.6.12-rc2 |
798 |
if (hdev) { |
23500189d Bluetooth: Introd... |
799 |
if (hci_pi(sk)->channel == HCI_CHANNEL_USER) { |
9332ef9db scripts/spelling.... |
800 |
/* When releasing a user channel exclusive access, |
6b3cc1db6 Bluetooth: close ... |
801 802 803 804 805 806 807 808 809 |
* call hci_dev_do_close directly instead of calling * hci_dev_close to ensure the exclusive access will * be released and the controller brought back down. * * The checking of HCI_AUTO_OFF is not needed in this * case since it will have been cleared already when * opening the user channel. */ hci_dev_do_close(hdev); |
9380f9eac Bluetooth: Reorde... |
810 811 |
hci_dev_clear_flag(hdev, HCI_USER_CHANNEL); mgmt_index_added(hdev); |
23500189d Bluetooth: Introd... |
812 |
} |
1da177e4c Linux-2.6.12-rc2 |
813 814 815 816 817 818 819 820 |
atomic_dec(&hdev->promisc); hci_dev_put(hdev); } sock_orphan(sk); skb_queue_purge(&sk->sk_receive_queue); skb_queue_purge(&sk->sk_write_queue); |
11eb85ec4 Bluetooth: Fix ra... |
821 |
release_sock(sk); |
1da177e4c Linux-2.6.12-rc2 |
822 823 824 |
sock_put(sk); return 0; } |
b2a66aad8 Bluetooth: Move b... |
825 |
static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg) |
f03585689 Bluetooth: Add bl... |
826 827 |
{ bdaddr_t bdaddr; |
5e762444b Bluetooth: Add mg... |
828 |
int err; |
f03585689 Bluetooth: Add bl... |
829 830 831 |
if (copy_from_user(&bdaddr, arg, sizeof(bdaddr))) return -EFAULT; |
09fd0de5b Bluetooth: Replac... |
832 |
hci_dev_lock(hdev); |
5e762444b Bluetooth: Add mg... |
833 |
|
dcc36c16c Bluetooth: Unify ... |
834 |
err = hci_bdaddr_list_add(&hdev->blacklist, &bdaddr, BDADDR_BREDR); |
5e762444b Bluetooth: Add mg... |
835 |
|
09fd0de5b Bluetooth: Replac... |
836 |
hci_dev_unlock(hdev); |
5e762444b Bluetooth: Add mg... |
837 838 |
return err; |
f03585689 Bluetooth: Add bl... |
839 |
} |
b2a66aad8 Bluetooth: Move b... |
840 |
static int hci_sock_blacklist_del(struct hci_dev *hdev, void __user *arg) |
f03585689 Bluetooth: Add bl... |
841 842 |
{ bdaddr_t bdaddr; |
5e762444b Bluetooth: Add mg... |
843 |
int err; |
f03585689 Bluetooth: Add bl... |
844 845 846 |
if (copy_from_user(&bdaddr, arg, sizeof(bdaddr))) return -EFAULT; |
09fd0de5b Bluetooth: Replac... |
847 |
hci_dev_lock(hdev); |
5e762444b Bluetooth: Add mg... |
848 |
|
dcc36c16c Bluetooth: Unify ... |
849 |
err = hci_bdaddr_list_del(&hdev->blacklist, &bdaddr, BDADDR_BREDR); |
5e762444b Bluetooth: Add mg... |
850 |
|
09fd0de5b Bluetooth: Replac... |
851 |
hci_dev_unlock(hdev); |
5e762444b Bluetooth: Add mg... |
852 853 |
return err; |
f03585689 Bluetooth: Add bl... |
854 |
} |
8e87d1425 [NET] BLUETOOTH: ... |
855 |
/* Ioctls that require bound socket */ |
6039aa73a Bluetooth: Remove... |
856 857 |
static int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd, unsigned long arg) |
1da177e4c Linux-2.6.12-rc2 |
858 859 860 861 862 |
{ struct hci_dev *hdev = hci_pi(sk)->hdev; if (!hdev) return -EBADFD; |
d7a5a11d7 Bluetooth: Introd... |
863 |
if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) |
0736cfa8e Bluetooth: Introd... |
864 |
return -EBUSY; |
d7a5a11d7 Bluetooth: Introd... |
865 |
if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) |
fee746b0b Bluetooth: Restri... |
866 |
return -EOPNOTSUPP; |
ca8bee5dd Bluetooth: Rename... |
867 |
if (hdev->dev_type != HCI_PRIMARY) |
5b69bef54 Bluetooth: AMP co... |
868 |
return -EOPNOTSUPP; |
1da177e4c Linux-2.6.12-rc2 |
869 870 871 |
switch (cmd) { case HCISETRAW: if (!capable(CAP_NET_ADMIN)) |
bf5b30b8a net: change retur... |
872 |
return -EPERM; |
db5966816 Bluetooth: Return... |
873 |
return -EOPNOTSUPP; |
1da177e4c Linux-2.6.12-rc2 |
874 |
|
1da177e4c Linux-2.6.12-rc2 |
875 |
case HCIGETCONNINFO: |
8528d3f73 Bluetooth: Fix ca... |
876 |
return hci_get_conn_info(hdev, (void __user *)arg); |
40be492fe [Bluetooth] Expor... |
877 878 |
case HCIGETAUTHINFO: |
8528d3f73 Bluetooth: Fix ca... |
879 |
return hci_get_auth_info(hdev, (void __user *)arg); |
1da177e4c Linux-2.6.12-rc2 |
880 |
|
f03585689 Bluetooth: Add bl... |
881 882 |
case HCIBLOCKADDR: if (!capable(CAP_NET_ADMIN)) |
bf5b30b8a net: change retur... |
883 |
return -EPERM; |
8528d3f73 Bluetooth: Fix ca... |
884 |
return hci_sock_blacklist_add(hdev, (void __user *)arg); |
f03585689 Bluetooth: Add bl... |
885 886 887 |
case HCIUNBLOCKADDR: if (!capable(CAP_NET_ADMIN)) |
bf5b30b8a net: change retur... |
888 |
return -EPERM; |
8528d3f73 Bluetooth: Fix ca... |
889 |
return hci_sock_blacklist_del(hdev, (void __user *)arg); |
1da177e4c Linux-2.6.12-rc2 |
890 |
} |
0736cfa8e Bluetooth: Introd... |
891 |
|
324d36ed2 Bluetooth: Remove... |
892 |
return -ENOIOCTLCMD; |
1da177e4c Linux-2.6.12-rc2 |
893 |
} |
8fc9ced39 Bluetooth: Fix co... |
894 895 |
static int hci_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) |
1da177e4c Linux-2.6.12-rc2 |
896 |
{ |
8528d3f73 Bluetooth: Fix ca... |
897 |
void __user *argp = (void __user *)arg; |
0736cfa8e Bluetooth: Introd... |
898 |
struct sock *sk = sock->sk; |
1da177e4c Linux-2.6.12-rc2 |
899 900 901 |
int err; BT_DBG("cmd %x arg %lx", cmd, arg); |
c1c4f9567 Bluetooth: Restri... |
902 903 904 905 906 907 |
lock_sock(sk); if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) { err = -EBADFD; goto done; } |
f81f5b2db Bluetooth: Send c... |
908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 |
/* When calling an ioctl on an unbound raw socket, then ensure * that the monitor gets informed. Ensure that the resulting event * is only send once by checking if the cookie exists or not. The * socket cookie will be only ever generated once for the lifetime * of a given socket. */ if (hci_sock_gen_cookie(sk)) { struct sk_buff *skb; if (capable(CAP_NET_ADMIN)) hci_sock_set_flag(sk, HCI_SOCK_TRUSTED); /* Send event to monitor */ skb = create_monitor_ctrl_open(sk); if (skb) { hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); kfree_skb(skb); } } |
c1c4f9567 Bluetooth: Restri... |
928 |
release_sock(sk); |
1da177e4c Linux-2.6.12-rc2 |
929 930 931 932 933 934 935 936 937 938 939 940 |
switch (cmd) { case HCIGETDEVLIST: return hci_get_dev_list(argp); case HCIGETDEVINFO: return hci_get_dev_info(argp); case HCIGETCONNLIST: return hci_get_conn_list(argp); case HCIDEVUP: if (!capable(CAP_NET_ADMIN)) |
bf5b30b8a net: change retur... |
941 |
return -EPERM; |
1da177e4c Linux-2.6.12-rc2 |
942 943 944 945 |
return hci_dev_open(arg); case HCIDEVDOWN: if (!capable(CAP_NET_ADMIN)) |
bf5b30b8a net: change retur... |
946 |
return -EPERM; |
1da177e4c Linux-2.6.12-rc2 |
947 948 949 950 |
return hci_dev_close(arg); case HCIDEVRESET: if (!capable(CAP_NET_ADMIN)) |
bf5b30b8a net: change retur... |
951 |
return -EPERM; |
1da177e4c Linux-2.6.12-rc2 |
952 953 954 955 |
return hci_dev_reset(arg); case HCIDEVRESTAT: if (!capable(CAP_NET_ADMIN)) |
bf5b30b8a net: change retur... |
956 |
return -EPERM; |
1da177e4c Linux-2.6.12-rc2 |
957 958 959 960 961 962 963 964 965 966 967 |
return hci_dev_reset_stat(arg); case HCISETSCAN: case HCISETAUTH: case HCISETENCRYPT: case HCISETPTYPE: case HCISETLINKPOL: case HCISETLINKMODE: case HCISETACLMTU: case HCISETSCOMTU: if (!capable(CAP_NET_ADMIN)) |
bf5b30b8a net: change retur... |
968 |
return -EPERM; |
1da177e4c Linux-2.6.12-rc2 |
969 970 971 972 |
return hci_dev_cmd(cmd, argp); case HCIINQUIRY: return hci_inquiry(argp); |
1da177e4c Linux-2.6.12-rc2 |
973 |
} |
c1c4f9567 Bluetooth: Restri... |
974 975 976 977 978 979 980 981 |
lock_sock(sk); err = hci_sock_bound_ioctl(sk, cmd, arg); done: release_sock(sk); return err; |
1da177e4c Linux-2.6.12-rc2 |
982 |
} |
7a6038b30 compat_ioctl: mov... |
983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 |
#ifdef CONFIG_COMPAT static int hci_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { switch (cmd) { case HCIDEVUP: case HCIDEVDOWN: case HCIDEVRESET: case HCIDEVRESTAT: return hci_sock_ioctl(sock, cmd, arg); } return hci_sock_ioctl(sock, cmd, (unsigned long)compat_ptr(arg)); } #endif |
8fc9ced39 Bluetooth: Fix co... |
998 999 |
static int hci_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len) |
1da177e4c Linux-2.6.12-rc2 |
1000 |
{ |
0381101fd Bluetooth: Add in... |
1001 |
struct sockaddr_hci haddr; |
1da177e4c Linux-2.6.12-rc2 |
1002 1003 |
struct sock *sk = sock->sk; struct hci_dev *hdev = NULL; |
f4cdbb3f2 Bluetooth: Handle... |
1004 |
struct sk_buff *skb; |
0381101fd Bluetooth: Add in... |
1005 |
int len, err = 0; |
1da177e4c Linux-2.6.12-rc2 |
1006 1007 |
BT_DBG("sock %p sk %p", sock, sk); |
0381101fd Bluetooth: Add in... |
1008 1009 1010 1011 1012 1013 1014 1015 1016 |
if (!addr) return -EINVAL; memset(&haddr, 0, sizeof(haddr)); len = min_t(unsigned int, sizeof(haddr), addr_len); memcpy(&haddr, addr, len); if (haddr.hci_family != AF_BLUETOOTH) return -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
1017 |
lock_sock(sk); |
7cc2ade2c Bluetooth: Simpli... |
1018 |
if (sk->sk_state == BT_BOUND) { |
1da177e4c Linux-2.6.12-rc2 |
1019 1020 1021 |
err = -EALREADY; goto done; } |
7cc2ade2c Bluetooth: Simpli... |
1022 1023 1024 1025 |
switch (haddr.hci_channel) { case HCI_CHANNEL_RAW: if (hci_pi(sk)->hdev) { err = -EALREADY; |
1da177e4c Linux-2.6.12-rc2 |
1026 1027 |
goto done; } |
7cc2ade2c Bluetooth: Simpli... |
1028 1029 1030 1031 1032 1033 1034 1035 1036 |
if (haddr.hci_dev != HCI_DEV_NONE) { hdev = hci_dev_get(haddr.hci_dev); if (!hdev) { err = -ENODEV; goto done; } atomic_inc(&hdev->promisc); } |
5a6d2cf5f Bluetooth: Assign... |
1037 |
hci_pi(sk)->channel = haddr.hci_channel; |
f81f5b2db Bluetooth: Send c... |
1038 |
|
f4cdbb3f2 Bluetooth: Handle... |
1039 1040 1041 1042 1043 1044 1045 1046 |
if (!hci_sock_gen_cookie(sk)) { /* In the case when a cookie has already been assigned, * then there has been already an ioctl issued against * an unbound socket and with that triggerd an open * notification. Send a close notification first to * allow the state transition to bounded. */ skb = create_monitor_ctrl_close(sk); |
f81f5b2db Bluetooth: Send c... |
1047 1048 1049 1050 1051 1052 |
if (skb) { hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); kfree_skb(skb); } } |
f4cdbb3f2 Bluetooth: Handle... |
1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 |
if (capable(CAP_NET_ADMIN)) hci_sock_set_flag(sk, HCI_SOCK_TRUSTED); hci_pi(sk)->hdev = hdev; /* Send event to monitor */ skb = create_monitor_ctrl_open(sk); if (skb) { hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); kfree_skb(skb); } |
7cc2ade2c Bluetooth: Simpli... |
1066 |
break; |
23500189d Bluetooth: Introd... |
1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 |
case HCI_CHANNEL_USER: if (hci_pi(sk)->hdev) { err = -EALREADY; goto done; } if (haddr.hci_dev == HCI_DEV_NONE) { err = -EINVAL; goto done; } |
10a8b86f5 Bluetooth: Requir... |
1077 |
if (!capable(CAP_NET_ADMIN)) { |
23500189d Bluetooth: Introd... |
1078 1079 1080 1081 1082 1083 1084 1085 1086 |
err = -EPERM; goto done; } hdev = hci_dev_get(haddr.hci_dev); if (!hdev) { err = -ENODEV; goto done; } |
781f899f2 Bluetooth: Fix ra... |
1087 |
if (test_bit(HCI_INIT, &hdev->flags) || |
d7a5a11d7 Bluetooth: Introd... |
1088 |
hci_dev_test_flag(hdev, HCI_SETUP) || |
781f899f2 Bluetooth: Fix ra... |
1089 1090 1091 |
hci_dev_test_flag(hdev, HCI_CONFIG) || (!hci_dev_test_flag(hdev, HCI_AUTO_OFF) && test_bit(HCI_UP, &hdev->flags))) { |
23500189d Bluetooth: Introd... |
1092 1093 1094 1095 |
err = -EBUSY; hci_dev_put(hdev); goto done; } |
238be788f Bluetooth: Introd... |
1096 |
if (hci_dev_test_and_set_flag(hdev, HCI_USER_CHANNEL)) { |
23500189d Bluetooth: Introd... |
1097 1098 1099 1100 |
err = -EUSERS; hci_dev_put(hdev); goto done; } |
0602a8adc Bluetooth: Add su... |
1101 |
mgmt_index_removed(hdev); |
23500189d Bluetooth: Introd... |
1102 1103 1104 |
err = hci_dev_open(hdev->id); if (err) { |
781f899f2 Bluetooth: Fix ra... |
1105 1106 1107 1108 |
if (err == -EALREADY) { /* In case the transport is already up and * running, clear the error here. * |
9332ef9db scripts/spelling.... |
1109 |
* This can happen when opening a user |
781f899f2 Bluetooth: Fix ra... |
1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 |
* channel and HCI_AUTO_OFF grace period * is still active. */ err = 0; } else { hci_dev_clear_flag(hdev, HCI_USER_CHANNEL); mgmt_index_added(hdev); hci_dev_put(hdev); goto done; } |
23500189d Bluetooth: Introd... |
1120 |
} |
5a6d2cf5f Bluetooth: Assign... |
1121 |
hci_pi(sk)->channel = haddr.hci_channel; |
aa1638dde Bluetooth: Send c... |
1122 1123 1124 1125 |
if (!hci_sock_gen_cookie(sk)) { /* In the case when a cookie has already been assigned, * this socket will transition from a raw socket into |
9332ef9db scripts/spelling.... |
1126 |
* a user channel socket. For a clean transition, send |
aa1638dde Bluetooth: Send c... |
1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 |
* the close notification first. */ skb = create_monitor_ctrl_close(sk); if (skb) { hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); kfree_skb(skb); } } /* The user channel is restricted to CAP_NET_ADMIN * capabilities and with that implicitly trusted. */ hci_sock_set_flag(sk, HCI_SOCK_TRUSTED); |
23500189d Bluetooth: Introd... |
1141 |
hci_pi(sk)->hdev = hdev; |
5a6d2cf5f Bluetooth: Assign... |
1142 |
|
aa1638dde Bluetooth: Send c... |
1143 1144 1145 1146 1147 1148 1149 |
/* Send event to monitor */ skb = create_monitor_ctrl_open(sk); if (skb) { hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); kfree_skb(skb); } |
5a6d2cf5f Bluetooth: Assign... |
1150 |
atomic_inc(&hdev->promisc); |
23500189d Bluetooth: Introd... |
1151 |
break; |
cd82e61c1 Bluetooth: Add su... |
1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 |
case HCI_CHANNEL_MONITOR: if (haddr.hci_dev != HCI_DEV_NONE) { err = -EINVAL; goto done; } if (!capable(CAP_NET_RAW)) { err = -EPERM; goto done; } |
5a6d2cf5f Bluetooth: Assign... |
1162 |
hci_pi(sk)->channel = haddr.hci_channel; |
50ebc055f Bluetooth: Introd... |
1163 1164 1165 1166 |
/* The monitor interface is restricted to CAP_NET_RAW * capabilities and with that implicitly trusted. */ hci_sock_set_flag(sk, HCI_SOCK_TRUSTED); |
787b306cf Bluetooth: avoid ... |
1167 1168 1169 |
send_monitor_note(sk, "Linux version %s (%s)", init_utsname()->release, init_utsname()->machine); |
9e8305b39 Bluetooth: Use nu... |
1170 1171 |
send_monitor_note(sk, "Bluetooth subsystem version %u.%u", BT_SUBSYS_VERSION, BT_SUBSYS_REVISION); |
cd82e61c1 Bluetooth: Add su... |
1172 |
send_monitor_replay(sk); |
249fa1699 Bluetooth: Add su... |
1173 |
send_monitor_control_replay(sk); |
cd82e61c1 Bluetooth: Add su... |
1174 1175 1176 |
atomic_inc(&monitor_promisc); break; |
ac7149493 Bluetooth: Add su... |
1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 |
case HCI_CHANNEL_LOGGING: if (haddr.hci_dev != HCI_DEV_NONE) { err = -EINVAL; goto done; } if (!capable(CAP_NET_ADMIN)) { err = -EPERM; goto done; } |
5a6d2cf5f Bluetooth: Assign... |
1187 1188 |
hci_pi(sk)->channel = haddr.hci_channel; |
ac7149493 Bluetooth: Add su... |
1189 |
break; |
7cc2ade2c Bluetooth: Simpli... |
1190 |
default: |
801c1e8da Bluetooth: Add mg... |
1191 1192 1193 1194 1195 1196 1197 1198 1199 |
if (!hci_mgmt_chan_find(haddr.hci_channel)) { err = -EINVAL; goto done; } if (haddr.hci_dev != HCI_DEV_NONE) { err = -EINVAL; goto done; } |
1195fbb8d Bluetooth: Open m... |
1200 1201 1202 1203 |
/* Users with CAP_NET_ADMIN capabilities are allowed * access to all management commands and events. For * untrusted users the interface is restricted and * also only untrusted events are sent. |
50ebc055f Bluetooth: Introd... |
1204 |
*/ |
1195fbb8d Bluetooth: Open m... |
1205 1206 |
if (capable(CAP_NET_ADMIN)) hci_sock_set_flag(sk, HCI_SOCK_TRUSTED); |
50ebc055f Bluetooth: Introd... |
1207 |
|
5a6d2cf5f Bluetooth: Assign... |
1208 |
hci_pi(sk)->channel = haddr.hci_channel; |
f92073388 Bluetooth: Use sp... |
1209 1210 1211 1212 1213 |
/* At the moment the index and unconfigured index events * are enabled unconditionally. Setting them on each * socket when binding keeps this functionality. They * however might be cleared later and then sending of these * events will be disabled, but that is then intentional. |
f6b7712eb Bluetooth: Send g... |
1214 1215 1216 1217 |
* * This also enables generic events that are safe to be * received by untrusted users. Example for such events * are changes to settings, class of device, name etc. |
f92073388 Bluetooth: Use sp... |
1218 |
*/ |
5a6d2cf5f Bluetooth: Assign... |
1219 |
if (hci_pi(sk)->channel == HCI_CHANNEL_CONTROL) { |
f4cdbb3f2 Bluetooth: Handle... |
1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 |
if (!hci_sock_gen_cookie(sk)) { /* In the case when a cookie has already been * assigned, this socket will transtion from * a raw socket into a control socket. To * allow for a clean transtion, send the * close notification first. */ skb = create_monitor_ctrl_close(sk); if (skb) { hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); kfree_skb(skb); } } |
70ecce91e Bluetooth: Store ... |
1234 |
|
249fa1699 Bluetooth: Add su... |
1235 1236 1237 1238 1239 1240 1241 |
/* Send event to monitor */ skb = create_monitor_ctrl_open(sk); if (skb) { hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); kfree_skb(skb); } |
f92073388 Bluetooth: Use sp... |
1242 1243 |
hci_sock_set_flag(sk, HCI_MGMT_INDEX_EVENTS); hci_sock_set_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS); |
5504c3a31 Bluetooth: Use in... |
1244 1245 1246 1247 |
hci_sock_set_flag(sk, HCI_MGMT_OPTION_EVENTS); hci_sock_set_flag(sk, HCI_MGMT_SETTING_EVENTS); hci_sock_set_flag(sk, HCI_MGMT_DEV_CLASS_EVENTS); hci_sock_set_flag(sk, HCI_MGMT_LOCAL_NAME_EVENTS); |
f92073388 Bluetooth: Use sp... |
1248 |
} |
801c1e8da Bluetooth: Add mg... |
1249 |
break; |
1da177e4c Linux-2.6.12-rc2 |
1250 |
} |
1da177e4c Linux-2.6.12-rc2 |
1251 1252 1253 1254 1255 1256 |
sk->sk_state = BT_BOUND; done: release_sock(sk); return err; } |
8fc9ced39 Bluetooth: Fix co... |
1257 |
static int hci_sock_getname(struct socket *sock, struct sockaddr *addr, |
9b2c45d47 net: make getname... |
1258 |
int peer) |
1da177e4c Linux-2.6.12-rc2 |
1259 |
{ |
8528d3f73 Bluetooth: Fix ca... |
1260 |
struct sockaddr_hci *haddr = (struct sockaddr_hci *)addr; |
1da177e4c Linux-2.6.12-rc2 |
1261 |
struct sock *sk = sock->sk; |
9d4b68b23 Bluetooth: Fix ha... |
1262 1263 |
struct hci_dev *hdev; int err = 0; |
1da177e4c Linux-2.6.12-rc2 |
1264 1265 |
BT_DBG("sock %p sk %p", sock, sk); |
06f43cbc4 Bluetooth: Fix ha... |
1266 1267 |
if (peer) return -EOPNOTSUPP; |
1da177e4c Linux-2.6.12-rc2 |
1268 |
lock_sock(sk); |
9d4b68b23 Bluetooth: Fix ha... |
1269 1270 1271 1272 1273 |
hdev = hci_pi(sk)->hdev; if (!hdev) { err = -EBADFD; goto done; } |
1da177e4c Linux-2.6.12-rc2 |
1274 |
haddr->hci_family = AF_BLUETOOTH; |
7b005bd34 [Bluetooth] Fix N... |
1275 |
haddr->hci_dev = hdev->id; |
9d4b68b23 Bluetooth: Fix ha... |
1276 |
haddr->hci_channel= hci_pi(sk)->channel; |
9b2c45d47 net: make getname... |
1277 |
err = sizeof(*haddr); |
1da177e4c Linux-2.6.12-rc2 |
1278 |
|
9d4b68b23 Bluetooth: Fix ha... |
1279 |
done: |
1da177e4c Linux-2.6.12-rc2 |
1280 |
release_sock(sk); |
9d4b68b23 Bluetooth: Fix ha... |
1281 |
return err; |
1da177e4c Linux-2.6.12-rc2 |
1282 |
} |
6039aa73a Bluetooth: Remove... |
1283 1284 |
static void hci_sock_cmsg(struct sock *sk, struct msghdr *msg, struct sk_buff *skb) |
1da177e4c Linux-2.6.12-rc2 |
1285 |
{ |
32929e1f4 Bluetooth: Use on... |
1286 |
__u8 mask = hci_pi(sk)->cmsg_mask; |
1da177e4c Linux-2.6.12-rc2 |
1287 |
|
0d48d9394 [Bluetooth]: Move... |
1288 1289 |
if (mask & HCI_CMSG_DIR) { int incoming = bt_cb(skb)->incoming; |
8fc9ced39 Bluetooth: Fix co... |
1290 1291 |
put_cmsg(msg, SOL_HCI, HCI_CMSG_DIR, sizeof(incoming), &incoming); |
0d48d9394 [Bluetooth]: Move... |
1292 |
} |
1da177e4c Linux-2.6.12-rc2 |
1293 |
|
a61bbcf28 [NET]: Store skb-... |
1294 |
if (mask & HCI_CMSG_TSTAMP) { |
f6e623a65 Bluetooth: Fix ou... |
1295 |
#ifdef CONFIG_COMPAT |
13c6ee2a9 socket: Use old_t... |
1296 |
struct old_timeval32 ctv; |
f6e623a65 Bluetooth: Fix ou... |
1297 |
#endif |
13c6ee2a9 socket: Use old_t... |
1298 |
struct __kernel_old_timeval tv; |
767c5eb5d [Bluetooth] Add c... |
1299 1300 |
void *data; int len; |
a61bbcf28 [NET]: Store skb-... |
1301 1302 |
skb_get_timestamp(skb, &tv); |
767c5eb5d [Bluetooth] Add c... |
1303 |
|
1da97f83a [BLUETOOTH]: Fix ... |
1304 1305 1306 |
data = &tv; len = sizeof(tv); #ifdef CONFIG_COMPAT |
da88cea12 compat: Use COMPA... |
1307 1308 |
if (!COMPAT_USE_64BIT_TIME && (msg->msg_flags & MSG_CMSG_COMPAT)) { |
767c5eb5d [Bluetooth] Add c... |
1309 1310 1311 1312 |
ctv.tv_sec = tv.tv_sec; ctv.tv_usec = tv.tv_usec; data = &ctv; len = sizeof(ctv); |
767c5eb5d [Bluetooth] Add c... |
1313 |
} |
1da97f83a [BLUETOOTH]: Fix ... |
1314 |
#endif |
767c5eb5d [Bluetooth] Add c... |
1315 1316 |
put_cmsg(msg, SOL_HCI, HCI_CMSG_TSTAMP, len, data); |
a61bbcf28 [NET]: Store skb-... |
1317 |
} |
1da177e4c Linux-2.6.12-rc2 |
1318 |
} |
8e87d1425 [NET] BLUETOOTH: ... |
1319 |
|
8528d3f73 Bluetooth: Fix ca... |
1320 1321 |
static int hci_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, int flags) |
1da177e4c Linux-2.6.12-rc2 |
1322 1323 1324 1325 1326 |
{ int noblock = flags & MSG_DONTWAIT; struct sock *sk = sock->sk; struct sk_buff *skb; int copied, err; |
83871f8cc Bluetooth: Fix hc... |
1327 |
unsigned int skblen; |
1da177e4c Linux-2.6.12-rc2 |
1328 1329 |
BT_DBG("sock %p, sk %p", sock, sk); |
d94a61040 Bluetooth: Remove... |
1330 |
if (flags & MSG_OOB) |
1da177e4c Linux-2.6.12-rc2 |
1331 |
return -EOPNOTSUPP; |
ac7149493 Bluetooth: Add su... |
1332 1333 |
if (hci_pi(sk)->channel == HCI_CHANNEL_LOGGING) return -EOPNOTSUPP; |
1da177e4c Linux-2.6.12-rc2 |
1334 1335 |
if (sk->sk_state == BT_CLOSED) return 0; |
70f23020e Bluetooth: clean ... |
1336 1337 |
skb = skb_recv_datagram(sk, flags, noblock, &err); if (!skb) |
1da177e4c Linux-2.6.12-rc2 |
1338 |
return err; |
83871f8cc Bluetooth: Fix hc... |
1339 |
skblen = skb->len; |
1da177e4c Linux-2.6.12-rc2 |
1340 1341 1342 1343 1344 |
copied = skb->len; if (len < copied) { msg->msg_flags |= MSG_TRUNC; copied = len; } |
badff6d01 [SK_BUFF]: Introd... |
1345 |
skb_reset_transport_header(skb); |
51f3d02b9 net: Add and use ... |
1346 |
err = skb_copy_datagram_msg(skb, 0, msg, copied); |
1da177e4c Linux-2.6.12-rc2 |
1347 |
|
3a208627f Bluetooth: Add HC... |
1348 1349 1350 1351 |
switch (hci_pi(sk)->channel) { case HCI_CHANNEL_RAW: hci_sock_cmsg(sk, msg, skb); break; |
23500189d Bluetooth: Introd... |
1352 |
case HCI_CHANNEL_USER: |
cd82e61c1 Bluetooth: Add su... |
1353 1354 1355 |
case HCI_CHANNEL_MONITOR: sock_recv_timestamp(msg, sk, skb); break; |
801c1e8da Bluetooth: Add mg... |
1356 1357 1358 1359 |
default: if (hci_mgmt_chan_find(hci_pi(sk)->channel)) sock_recv_timestamp(msg, sk, skb); break; |
3a208627f Bluetooth: Add HC... |
1360 |
} |
1da177e4c Linux-2.6.12-rc2 |
1361 1362 |
skb_free_datagram(sk, skb); |
4f34228b6 Bluetooth: Fix hc... |
1363 |
if (flags & MSG_TRUNC) |
83871f8cc Bluetooth: Fix hc... |
1364 |
copied = skblen; |
1da177e4c Linux-2.6.12-rc2 |
1365 1366 |
return err ? : copied; } |
fa4335d71 Bluetooth: Move g... |
1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 |
static int hci_mgmt_cmd(struct hci_mgmt_chan *chan, struct sock *sk, struct msghdr *msg, size_t msglen) { void *buf; u8 *cp; struct mgmt_hdr *hdr; u16 opcode, index, len; struct hci_dev *hdev = NULL; const struct hci_mgmt_handler *handler; bool var_len, no_hdev; int err; BT_DBG("got %zu bytes", msglen); if (msglen < sizeof(*hdr)) return -EINVAL; buf = kmalloc(msglen, GFP_KERNEL); if (!buf) return -ENOMEM; if (memcpy_from_msg(buf, msg, msglen)) { err = -EFAULT; goto done; } hdr = buf; opcode = __le16_to_cpu(hdr->opcode); index = __le16_to_cpu(hdr->index); len = __le16_to_cpu(hdr->len); if (len != msglen - sizeof(*hdr)) { err = -EINVAL; goto done; } |
38ceaa00d Bluetooth: Add su... |
1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 |
if (chan->channel == HCI_CHANNEL_CONTROL) { struct sk_buff *skb; /* Send event to monitor */ skb = create_monitor_ctrl_command(sk, index, opcode, len, buf + sizeof(*hdr)); if (skb) { hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); kfree_skb(skb); } } |
fa4335d71 Bluetooth: Move g... |
1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 |
if (opcode >= chan->handler_count || chan->handlers[opcode].func == NULL) { BT_DBG("Unknown op %u", opcode); err = mgmt_cmd_status(sk, index, opcode, MGMT_STATUS_UNKNOWN_COMMAND); goto done; } handler = &chan->handlers[opcode]; if (!hci_sock_test_flag(sk, HCI_SOCK_TRUSTED) && !(handler->flags & HCI_MGMT_UNTRUSTED)) { err = mgmt_cmd_status(sk, index, opcode, MGMT_STATUS_PERMISSION_DENIED); goto done; } if (index != MGMT_INDEX_NONE) { hdev = hci_dev_get(index); if (!hdev) { err = mgmt_cmd_status(sk, index, opcode, MGMT_STATUS_INVALID_INDEX); goto done; } if (hci_dev_test_flag(hdev, HCI_SETUP) || hci_dev_test_flag(hdev, HCI_CONFIG) || hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) { err = mgmt_cmd_status(sk, index, opcode, MGMT_STATUS_INVALID_INDEX); goto done; } if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) && !(handler->flags & HCI_MGMT_UNCONFIGURED)) { err = mgmt_cmd_status(sk, index, opcode, MGMT_STATUS_INVALID_INDEX); goto done; } } |
d5cc6626b Bluetooth: Introd... |
1454 1455 1456 1457 1458 1459 1460 |
if (!(handler->flags & HCI_MGMT_HDEV_OPTIONAL)) { no_hdev = (handler->flags & HCI_MGMT_NO_HDEV); if (no_hdev != !hdev) { err = mgmt_cmd_status(sk, index, opcode, MGMT_STATUS_INVALID_INDEX); goto done; } |
fa4335d71 Bluetooth: Move g... |
1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 |
} var_len = (handler->flags & HCI_MGMT_VAR_LEN); if ((var_len && len < handler->data_len) || (!var_len && len != handler->data_len)) { err = mgmt_cmd_status(sk, index, opcode, MGMT_STATUS_INVALID_PARAMS); goto done; } if (hdev && chan->hdev_init) chan->hdev_init(sk, hdev); cp = buf + sizeof(*hdr); err = handler->func(sk, hdev, cp, len); if (err < 0) goto done; err = msglen; done: if (hdev) hci_dev_put(hdev); kfree(buf); return err; } |
ac7149493 Bluetooth: Add su... |
1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 |
static int hci_logging_frame(struct sock *sk, struct msghdr *msg, int len) { struct hci_mon_hdr *hdr; struct sk_buff *skb; struct hci_dev *hdev; u16 index; int err; /* The logging frame consists at minimum of the standard header, * the priority byte, the ident length byte and at least one string * terminator NUL byte. Anything shorter are invalid packets. */ if (len < sizeof(*hdr) + 3) return -EINVAL; skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err); if (!skb) return err; if (memcpy_from_msg(skb_put(skb, len), msg, len)) { err = -EFAULT; goto drop; } hdr = (void *)skb->data; if (__le16_to_cpu(hdr->len) != len - sizeof(*hdr)) { err = -EINVAL; goto drop; } if (__le16_to_cpu(hdr->opcode) == 0x0000) { __u8 priority = skb->data[sizeof(*hdr)]; __u8 ident_len = skb->data[sizeof(*hdr) + 1]; /* Only the priorities 0-7 are valid and with that any other * value results in an invalid packet. * * The priority byte is followed by an ident length byte and * the NUL terminated ident string. Check that the ident * length is not overflowing the packet and also that the * ident string itself is NUL terminated. In case the ident * length is zero, the length value actually doubles as NUL * terminator identifier. * * The message follows the ident string (if present) and * must be NUL terminated. Otherwise it is not a valid packet. */ if (priority > 7 || skb->data[len - 1] != 0x00 || ident_len > len - sizeof(*hdr) - 3 || skb->data[sizeof(*hdr) + ident_len + 1] != 0x00) { err = -EINVAL; goto drop; } } else { err = -EINVAL; goto drop; } index = __le16_to_cpu(hdr->index); if (index != MGMT_INDEX_NONE) { hdev = hci_dev_get(index); if (!hdev) { err = -ENODEV; goto drop; } } else { hdev = NULL; } hdr->opcode = cpu_to_le16(HCI_MON_USER_LOGGING); hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, HCI_SOCK_TRUSTED, NULL); err = len; if (hdev) hci_dev_put(hdev); drop: kfree_skb(skb); return err; } |
1b7841404 net: Remove iocb ... |
1572 1573 |
static int hci_sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) |
1da177e4c Linux-2.6.12-rc2 |
1574 1575 |
{ struct sock *sk = sock->sk; |
801c1e8da Bluetooth: Add mg... |
1576 |
struct hci_mgmt_chan *chan; |
1da177e4c Linux-2.6.12-rc2 |
1577 1578 1579 1580 1581 1582 1583 1584 |
struct hci_dev *hdev; struct sk_buff *skb; int err; BT_DBG("sock %p sk %p", sock, sk); if (msg->msg_flags & MSG_OOB) return -EOPNOTSUPP; |
ab89f0bdd Bluetooth: Fix us... |
1585 1586 |
if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_NOSIGNAL|MSG_ERRQUEUE| MSG_CMSG_COMPAT)) |
1da177e4c Linux-2.6.12-rc2 |
1587 1588 1589 1590 1591 1592 |
return -EINVAL; if (len < 4 || len > HCI_MAX_FRAME_SIZE) return -EINVAL; lock_sock(sk); |
0381101fd Bluetooth: Add in... |
1593 1594 |
switch (hci_pi(sk)->channel) { case HCI_CHANNEL_RAW: |
23500189d Bluetooth: Introd... |
1595 |
case HCI_CHANNEL_USER: |
0381101fd Bluetooth: Add in... |
1596 |
break; |
cd82e61c1 Bluetooth: Add su... |
1597 1598 1599 |
case HCI_CHANNEL_MONITOR: err = -EOPNOTSUPP; goto done; |
ac7149493 Bluetooth: Add su... |
1600 1601 1602 |
case HCI_CHANNEL_LOGGING: err = hci_logging_frame(sk, msg, len); goto done; |
0381101fd Bluetooth: Add in... |
1603 |
default: |
801c1e8da Bluetooth: Add mg... |
1604 1605 1606 |
mutex_lock(&mgmt_chan_list_lock); chan = __hci_mgmt_chan_find(hci_pi(sk)->channel); if (chan) |
fa4335d71 Bluetooth: Move g... |
1607 |
err = hci_mgmt_cmd(chan, sk, msg, len); |
801c1e8da Bluetooth: Add mg... |
1608 1609 1610 1611 |
else err = -EINVAL; mutex_unlock(&mgmt_chan_list_lock); |
0381101fd Bluetooth: Add in... |
1612 1613 |
goto done; } |
70f23020e Bluetooth: clean ... |
1614 1615 |
hdev = hci_pi(sk)->hdev; if (!hdev) { |
1da177e4c Linux-2.6.12-rc2 |
1616 1617 1618 |
err = -EBADFD; goto done; } |
7e21addcd Bluetooth: Return... |
1619 1620 1621 1622 |
if (!test_bit(HCI_UP, &hdev->flags)) { err = -ENETDOWN; goto done; } |
70f23020e Bluetooth: clean ... |
1623 1624 |
skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err); if (!skb) |
1da177e4c Linux-2.6.12-rc2 |
1625 |
goto done; |
6ce8e9ce5 new helper: memcp... |
1626 |
if (memcpy_from_msg(skb_put(skb, len), msg, len)) { |
1da177e4c Linux-2.6.12-rc2 |
1627 1628 1629 |
err = -EFAULT; goto drop; } |
8528d3f73 Bluetooth: Fix ca... |
1630 |
hci_skb_pkt_type(skb) = skb->data[0]; |
1da177e4c Linux-2.6.12-rc2 |
1631 |
skb_pull(skb, 1); |
1da177e4c Linux-2.6.12-rc2 |
1632 |
|
1bc5ad168 Bluetooth: Fix HC... |
1633 1634 1635 1636 1637 1638 |
if (hci_pi(sk)->channel == HCI_CHANNEL_USER) { /* No permission check is needed for user channel * since that gets enforced when binding the socket. * * However check that the packet type is valid. */ |
d79f34e32 Bluetooth: Use ne... |
1639 1640 |
if (hci_skb_pkt_type(skb) != HCI_COMMAND_PKT && hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT && |
cc9740036 Bluetooth: Add mi... |
1641 1642 |
hci_skb_pkt_type(skb) != HCI_SCODATA_PKT && hci_skb_pkt_type(skb) != HCI_ISODATA_PKT) { |
1bc5ad168 Bluetooth: Fix HC... |
1643 1644 1645 1646 1647 1648 |
err = -EINVAL; goto drop; } skb_queue_tail(&hdev->raw_q, skb); queue_work(hdev->workqueue, &hdev->tx_work); |
d79f34e32 Bluetooth: Use ne... |
1649 |
} else if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT) { |
839853193 bluetooth: use ge... |
1650 |
u16 opcode = get_unaligned_le16(skb->data); |
1da177e4c Linux-2.6.12-rc2 |
1651 1652 1653 1654 |
u16 ogf = hci_opcode_ogf(opcode); u16 ocf = hci_opcode_ocf(opcode); if (((ogf > HCI_SFLT_MAX_OGF) || |
3bb3c7551 Bluetooth: Fix co... |
1655 1656 1657 |
!hci_test_bit(ocf & HCI_FLT_OCF_BITS, &hci_sec_filter.ocf_mask[ogf])) && !capable(CAP_NET_RAW)) { |
1da177e4c Linux-2.6.12-rc2 |
1658 1659 1660 |
err = -EPERM; goto drop; } |
1982162bb Bluetooth: Add mi... |
1661 1662 1663 1664 |
/* Since the opcode has already been extracted here, store * a copy of the value for later use by the drivers. */ hci_skb_opcode(skb) = opcode; |
fee746b0b Bluetooth: Restri... |
1665 |
if (ogf == 0x3f) { |
1da177e4c Linux-2.6.12-rc2 |
1666 |
skb_queue_tail(&hdev->raw_q, skb); |
3eff45eaf Bluetooth: conver... |
1667 |
queue_work(hdev->workqueue, &hdev->tx_work); |
1da177e4c Linux-2.6.12-rc2 |
1668 |
} else { |
49c922bb1 Bluetooth: spelli... |
1669 |
/* Stand-alone HCI commands must be flagged as |
11714b3d7 Bluetooth: Fix st... |
1670 1671 |
* single-command requests. */ |
44d271377 Bluetooth: Compre... |
1672 |
bt_cb(skb)->hci.req_flags |= HCI_REQ_START; |
11714b3d7 Bluetooth: Fix st... |
1673 |
|
1da177e4c Linux-2.6.12-rc2 |
1674 |
skb_queue_tail(&hdev->cmd_q, skb); |
c347b765f Bluetooth: Move c... |
1675 |
queue_work(hdev->workqueue, &hdev->cmd_work); |
1da177e4c Linux-2.6.12-rc2 |
1676 1677 1678 1679 1680 1681 |
} } else { if (!capable(CAP_NET_RAW)) { err = -EPERM; goto drop; } |
d79f34e32 Bluetooth: Use ne... |
1682 |
if (hci_skb_pkt_type(skb) != HCI_ACLDATA_PKT && |
cc9740036 Bluetooth: Add mi... |
1683 1684 |
hci_skb_pkt_type(skb) != HCI_SCODATA_PKT && hci_skb_pkt_type(skb) != HCI_ISODATA_PKT) { |
bb77543eb Bluetooth: Restri... |
1685 1686 1687 |
err = -EINVAL; goto drop; } |
1da177e4c Linux-2.6.12-rc2 |
1688 |
skb_queue_tail(&hdev->raw_q, skb); |
3eff45eaf Bluetooth: conver... |
1689 |
queue_work(hdev->workqueue, &hdev->tx_work); |
1da177e4c Linux-2.6.12-rc2 |
1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 |
} err = len; done: release_sock(sk); return err; drop: kfree_skb(skb); goto done; } |
8fc9ced39 Bluetooth: Fix co... |
1702 |
static int hci_sock_setsockopt(struct socket *sock, int level, int optname, |
a7b75c5a8 net: pass a sockp... |
1703 |
sockptr_t optval, unsigned int len) |
1da177e4c Linux-2.6.12-rc2 |
1704 1705 1706 1707 1708 1709 |
{ struct hci_ufilter uf = { .opcode = 0 }; struct sock *sk = sock->sk; int err = 0, opt = 0; BT_DBG("sk %p, opt %d", sk, optname); |
47b0f573f Bluetooth: Check ... |
1710 1711 |
if (level != SOL_HCI) return -ENOPROTOOPT; |
1da177e4c Linux-2.6.12-rc2 |
1712 |
lock_sock(sk); |
2f39cdb7a Bluetooth: Limit ... |
1713 |
if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) { |
c2371e80b Bluetooth: Fix er... |
1714 |
err = -EBADFD; |
2f39cdb7a Bluetooth: Limit ... |
1715 1716 |
goto done; } |
1da177e4c Linux-2.6.12-rc2 |
1717 1718 |
switch (optname) { case HCI_DATA_DIR: |
a7b75c5a8 net: pass a sockp... |
1719 |
if (copy_from_sockptr(&opt, optval, sizeof(opt))) { |
1da177e4c Linux-2.6.12-rc2 |
1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 |
err = -EFAULT; break; } if (opt) hci_pi(sk)->cmsg_mask |= HCI_CMSG_DIR; else hci_pi(sk)->cmsg_mask &= ~HCI_CMSG_DIR; break; case HCI_TIME_STAMP: |
a7b75c5a8 net: pass a sockp... |
1731 |
if (copy_from_sockptr(&opt, optval, sizeof(opt))) { |
1da177e4c Linux-2.6.12-rc2 |
1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 |
err = -EFAULT; break; } if (opt) hci_pi(sk)->cmsg_mask |= HCI_CMSG_TSTAMP; else hci_pi(sk)->cmsg_mask &= ~HCI_CMSG_TSTAMP; break; case HCI_FILTER: |
0878b6667 [Bluetooth] Fix L... |
1743 1744 1745 1746 1747 1748 1749 1750 |
{ struct hci_filter *f = &hci_pi(sk)->filter; uf.type_mask = f->type_mask; uf.opcode = f->opcode; uf.event_mask[0] = *((u32 *) f->event_mask + 0); uf.event_mask[1] = *((u32 *) f->event_mask + 1); } |
1da177e4c Linux-2.6.12-rc2 |
1751 |
len = min_t(unsigned int, len, sizeof(uf)); |
a7b75c5a8 net: pass a sockp... |
1752 |
if (copy_from_sockptr(&uf, optval, len)) { |
1da177e4c Linux-2.6.12-rc2 |
1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 |
err = -EFAULT; break; } if (!capable(CAP_NET_RAW)) { uf.type_mask &= hci_sec_filter.type_mask; uf.event_mask[0] &= *((u32 *) hci_sec_filter.event_mask + 0); uf.event_mask[1] &= *((u32 *) hci_sec_filter.event_mask + 1); } { struct hci_filter *f = &hci_pi(sk)->filter; f->type_mask = uf.type_mask; f->opcode = uf.opcode; *((u32 *) f->event_mask + 0) = uf.event_mask[0]; *((u32 *) f->event_mask + 1) = uf.event_mask[1]; } |
8e87d1425 [NET] BLUETOOTH: ... |
1771 |
break; |
1da177e4c Linux-2.6.12-rc2 |
1772 1773 1774 1775 1776 |
default: err = -ENOPROTOOPT; break; } |
2f39cdb7a Bluetooth: Limit ... |
1777 |
done: |
1da177e4c Linux-2.6.12-rc2 |
1778 1779 1780 |
release_sock(sk); return err; } |
8fc9ced39 Bluetooth: Fix co... |
1781 1782 |
static int hci_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen) |
1da177e4c Linux-2.6.12-rc2 |
1783 1784 1785 |
{ struct hci_ufilter uf; struct sock *sk = sock->sk; |
cedc54697 Bluetooth: Lock s... |
1786 1787 1788 |
int len, opt, err = 0; BT_DBG("sk %p, opt %d", sk, optname); |
1da177e4c Linux-2.6.12-rc2 |
1789 |
|
47b0f573f Bluetooth: Check ... |
1790 1791 |
if (level != SOL_HCI) return -ENOPROTOOPT; |
1da177e4c Linux-2.6.12-rc2 |
1792 1793 |
if (get_user(len, optlen)) return -EFAULT; |
cedc54697 Bluetooth: Lock s... |
1794 1795 1796 |
lock_sock(sk); if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) { |
c2371e80b Bluetooth: Fix er... |
1797 |
err = -EBADFD; |
cedc54697 Bluetooth: Lock s... |
1798 1799 |
goto done; } |
1da177e4c Linux-2.6.12-rc2 |
1800 1801 1802 1803 |
switch (optname) { case HCI_DATA_DIR: if (hci_pi(sk)->cmsg_mask & HCI_CMSG_DIR) opt = 1; |
8e87d1425 [NET] BLUETOOTH: ... |
1804 |
else |
1da177e4c Linux-2.6.12-rc2 |
1805 1806 1807 |
opt = 0; if (put_user(opt, optval)) |
cedc54697 Bluetooth: Lock s... |
1808 |
err = -EFAULT; |
1da177e4c Linux-2.6.12-rc2 |
1809 1810 1811 1812 1813 |
break; case HCI_TIME_STAMP: if (hci_pi(sk)->cmsg_mask & HCI_CMSG_TSTAMP) opt = 1; |
8e87d1425 [NET] BLUETOOTH: ... |
1814 |
else |
1da177e4c Linux-2.6.12-rc2 |
1815 1816 1817 |
opt = 0; if (put_user(opt, optval)) |
cedc54697 Bluetooth: Lock s... |
1818 |
err = -EFAULT; |
1da177e4c Linux-2.6.12-rc2 |
1819 1820 1821 1822 1823 |
break; case HCI_FILTER: { struct hci_filter *f = &hci_pi(sk)->filter; |
e15ca9a0e Bluetooth: HCI - ... |
1824 |
memset(&uf, 0, sizeof(uf)); |
1da177e4c Linux-2.6.12-rc2 |
1825 1826 1827 1828 1829 1830 1831 1832 |
uf.type_mask = f->type_mask; uf.opcode = f->opcode; uf.event_mask[0] = *((u32 *) f->event_mask + 0); uf.event_mask[1] = *((u32 *) f->event_mask + 1); } len = min_t(unsigned int, len, sizeof(uf)); if (copy_to_user(optval, &uf, len)) |
cedc54697 Bluetooth: Lock s... |
1833 |
err = -EFAULT; |
1da177e4c Linux-2.6.12-rc2 |
1834 1835 1836 |
break; default: |
cedc54697 Bluetooth: Lock s... |
1837 |
err = -ENOPROTOOPT; |
1da177e4c Linux-2.6.12-rc2 |
1838 1839 |
break; } |
cedc54697 Bluetooth: Lock s... |
1840 1841 1842 |
done: release_sock(sk); return err; |
1da177e4c Linux-2.6.12-rc2 |
1843 |
} |
90ddc4f04 [NET]: move struc... |
1844 |
static const struct proto_ops hci_sock_ops = { |
1da177e4c Linux-2.6.12-rc2 |
1845 1846 1847 1848 1849 1850 1851 1852 |
.family = PF_BLUETOOTH, .owner = THIS_MODULE, .release = hci_sock_release, .bind = hci_sock_bind, .getname = hci_sock_getname, .sendmsg = hci_sock_sendmsg, .recvmsg = hci_sock_recvmsg, .ioctl = hci_sock_ioctl, |
7a6038b30 compat_ioctl: mov... |
1853 1854 1855 |
#ifdef CONFIG_COMPAT .compat_ioctl = hci_sock_compat_ioctl, #endif |
a11e1d432 Revert changes to... |
1856 |
.poll = datagram_poll, |
1da177e4c Linux-2.6.12-rc2 |
1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 |
.listen = sock_no_listen, .shutdown = sock_no_shutdown, .setsockopt = hci_sock_setsockopt, .getsockopt = hci_sock_getsockopt, .connect = sock_no_connect, .socketpair = sock_no_socketpair, .accept = sock_no_accept, .mmap = sock_no_mmap }; static struct proto hci_sk_proto = { .name = "HCI", .owner = THIS_MODULE, .obj_size = sizeof(struct hci_pinfo) }; |
3f378b684 net: pass kern to... |
1872 1873 |
static int hci_sock_create(struct net *net, struct socket *sock, int protocol, int kern) |
1da177e4c Linux-2.6.12-rc2 |
1874 1875 1876 1877 1878 1879 1880 1881 1882 |
{ struct sock *sk; BT_DBG("sock %p", sock); if (sock->type != SOCK_RAW) return -ESOCKTNOSUPPORT; sock->ops = &hci_sock_ops; |
11aa9c28b net: Pass kern fr... |
1883 |
sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &hci_sk_proto, kern); |
1da177e4c Linux-2.6.12-rc2 |
1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 |
if (!sk) return -ENOMEM; sock_init_data(sock, sk); sock_reset_flag(sk, SOCK_ZAPPED); sk->sk_protocol = protocol; sock->state = SS_UNCONNECTED; sk->sk_state = BT_OPEN; bt_sock_link(&hci_sk_list, sk); return 0; } |
ec1b4cf74 net: mark net_pro... |
1899 |
static const struct net_proto_family hci_sock_family_ops = { |
1da177e4c Linux-2.6.12-rc2 |
1900 1901 1902 1903 |
.family = PF_BLUETOOTH, .owner = THIS_MODULE, .create = hci_sock_create, }; |
1da177e4c Linux-2.6.12-rc2 |
1904 1905 1906 |
int __init hci_sock_init(void) { int err; |
b0a8e282b Bluetooth: Add BU... |
1907 |
BUILD_BUG_ON(sizeof(struct sockaddr_hci) > sizeof(struct sockaddr)); |
1da177e4c Linux-2.6.12-rc2 |
1908 1909 1910 1911 1912 |
err = proto_register(&hci_sk_proto, 0); if (err < 0) return err; err = bt_sock_register(BTPROTO_HCI, &hci_sock_family_ops); |
f7c866378 Bluetooth: Added ... |
1913 1914 |
if (err < 0) { BT_ERR("HCI socket registration failed"); |
1da177e4c Linux-2.6.12-rc2 |
1915 |
goto error; |
f7c866378 Bluetooth: Added ... |
1916 |
} |
b03166152 bluetooth: kill u... |
1917 |
err = bt_procfs_init(&init_net, "hci", &hci_sk_list, NULL); |
f7c866378 Bluetooth: Added ... |
1918 1919 1920 1921 1922 |
if (err < 0) { BT_ERR("Failed to create HCI proc file"); bt_sock_unregister(BTPROTO_HCI); goto error; } |
1da177e4c Linux-2.6.12-rc2 |
1923 |
|
1da177e4c Linux-2.6.12-rc2 |
1924 1925 1926 1927 1928 |
BT_INFO("HCI socket layer initialized"); return 0; error: |
1da177e4c Linux-2.6.12-rc2 |
1929 1930 1931 |
proto_unregister(&hci_sk_proto); return err; } |
b7440a14f Bluetooth: fix bu... |
1932 |
void hci_sock_cleanup(void) |
1da177e4c Linux-2.6.12-rc2 |
1933 |
{ |
f7c866378 Bluetooth: Added ... |
1934 |
bt_procfs_cleanup(&init_net, "hci"); |
5e9d7f868 Bluetooth: discar... |
1935 |
bt_sock_unregister(BTPROTO_HCI); |
1da177e4c Linux-2.6.12-rc2 |
1936 |
proto_unregister(&hci_sk_proto); |
1da177e4c Linux-2.6.12-rc2 |
1937 |
} |