diff options
Diffstat (limited to 'net/bluetooth')
-rw-r--r-- | net/bluetooth/bnep/sock.c | 19 | ||||
-rw-r--r-- | net/bluetooth/cmtp/sock.c | 19 | ||||
-rw-r--r-- | net/bluetooth/hci_event.c | 38 | ||||
-rw-r--r-- | net/bluetooth/hidp/core.c | 10 | ||||
-rw-r--r-- | net/bluetooth/hidp/hidp.h | 2 | ||||
-rw-r--r-- | net/bluetooth/hidp/sock.c | 79 | ||||
-rw-r--r-- | net/bluetooth/l2cap_core.c | 36 | ||||
-rw-r--r-- | net/bluetooth/rfcomm/tty.c | 12 |
8 files changed, 119 insertions, 96 deletions
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c index 00deacdcb51c..cfd83c5521ae 100644 --- a/net/bluetooth/bnep/sock.c +++ b/net/bluetooth/bnep/sock.c @@ -49,18 +49,17 @@ static int bnep_sock_release(struct socket *sock) return 0; } -static int bnep_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +static int do_bnep_sock_ioctl(struct socket *sock, unsigned int cmd, void __user *argp) { struct bnep_connlist_req cl; struct bnep_connadd_req ca; struct bnep_conndel_req cd; struct bnep_conninfo ci; struct socket *nsock; - void __user *argp = (void __user *)arg; __u32 supp_feat = BIT(BNEP_SETUP_RESPONSE); int err; - BT_DBG("cmd %x arg %lx", cmd, arg); + BT_DBG("cmd %x arg %p", cmd, argp); switch (cmd) { case BNEPCONNADD: @@ -134,16 +133,22 @@ static int bnep_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long return 0; } +static int bnep_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +{ + return do_bnep_sock_ioctl(sock, cmd, (void __user *)arg); +} + #ifdef CONFIG_COMPAT static int bnep_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { + void __user *argp = compat_ptr(arg); if (cmd == BNEPGETCONNLIST) { struct bnep_connlist_req cl; + unsigned __user *p = argp; u32 uci; int err; - if (get_user(cl.cnum, (u32 __user *) arg) || - get_user(uci, (u32 __user *) (arg + 4))) + if (get_user(cl.cnum, p) || get_user(uci, p + 1)) return -EFAULT; cl.ci = compat_ptr(uci); @@ -153,13 +158,13 @@ static int bnep_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigne err = bnep_get_connlist(&cl); - if (!err && put_user(cl.cnum, (u32 __user *) arg)) + if (!err && put_user(cl.cnum, p)) err = -EFAULT; return err; } - return bnep_sock_ioctl(sock, cmd, arg); + return do_bnep_sock_ioctl(sock, cmd, argp); } #endif diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c index e08f28fadd65..defdd4871919 100644 --- a/net/bluetooth/cmtp/sock.c +++ b/net/bluetooth/cmtp/sock.c @@ -63,17 +63,16 @@ static int cmtp_sock_release(struct socket *sock) return 0; } -static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +static int do_cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, void __user *argp) { struct cmtp_connadd_req ca; struct cmtp_conndel_req cd; struct cmtp_connlist_req cl; struct cmtp_conninfo ci; struct socket *nsock; - void __user *argp = (void __user *)arg; int err; - BT_DBG("cmd %x arg %lx", cmd, arg); + BT_DBG("cmd %x arg %p", cmd, argp); switch (cmd) { case CMTPCONNADD: @@ -137,16 +136,22 @@ static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long return -EINVAL; } +static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +{ + return do_cmtp_sock_ioctl(sock, cmd, (void __user *)arg); +} + #ifdef CONFIG_COMPAT static int cmtp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { + void __user *argp = compat_ptr(arg); if (cmd == CMTPGETCONNLIST) { struct cmtp_connlist_req cl; + u32 __user *p = argp; u32 uci; int err; - if (get_user(cl.cnum, (u32 __user *) arg) || - get_user(uci, (u32 __user *) (arg + 4))) + if (get_user(cl.cnum, p) || get_user(uci, p + 1)) return -EFAULT; cl.ci = compat_ptr(uci); @@ -156,13 +161,13 @@ static int cmtp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigne err = cmtp_get_connlist(&cl); - if (!err && put_user(cl.cnum, (u32 __user *) arg)) + if (!err && put_user(cl.cnum, p)) err = -EFAULT; return err; } - return cmtp_sock_ioctl(sock, cmd, arg); + return do_cmtp_sock_ioctl(sock, cmd, argp); } #endif diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index f47f8fad757a..ef9928d7b4fb 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -4937,31 +4937,27 @@ static void le_conn_complete_evt(struct hci_dev *hdev, u8 status, hci_debugfs_create_conn(conn); hci_conn_add_sysfs(conn); - if (!status) { - /* The remote features procedure is defined for master - * role only. So only in case of an initiated connection - * request the remote features. - * - * If the local controller supports slave-initiated features - * exchange, then requesting the remote features in slave - * role is possible. Otherwise just transition into the - * connected state without requesting the remote features. - */ - if (conn->out || - (hdev->le_features[0] & HCI_LE_SLAVE_FEATURES)) { - struct hci_cp_le_read_remote_features cp; + /* The remote features procedure is defined for master + * role only. So only in case of an initiated connection + * request the remote features. + * + * If the local controller supports slave-initiated features + * exchange, then requesting the remote features in slave + * role is possible. Otherwise just transition into the + * connected state without requesting the remote features. + */ + if (conn->out || + (hdev->le_features[0] & HCI_LE_SLAVE_FEATURES)) { + struct hci_cp_le_read_remote_features cp; - cp.handle = __cpu_to_le16(conn->handle); + cp.handle = __cpu_to_le16(conn->handle); - hci_send_cmd(hdev, HCI_OP_LE_READ_REMOTE_FEATURES, - sizeof(cp), &cp); + hci_send_cmd(hdev, HCI_OP_LE_READ_REMOTE_FEATURES, + sizeof(cp), &cp); - hci_conn_hold(conn); - } else { - conn->state = BT_CONNECTED; - hci_connect_cfm(conn, status); - } + hci_conn_hold(conn); } else { + conn->state = BT_CONNECTED; hci_connect_cfm(conn, status); } diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index 3734dc1788b4..a442e21f3894 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -649,7 +649,7 @@ static void hidp_process_transmit(struct hidp_session *session, } static int hidp_setup_input(struct hidp_session *session, - struct hidp_connadd_req *req) + const struct hidp_connadd_req *req) { struct input_dev *input; int i; @@ -748,7 +748,7 @@ EXPORT_SYMBOL_GPL(hidp_hid_driver); /* This function sets up the hid device. It does not add it to the HID system. That is done in hidp_add_connection(). */ static int hidp_setup_hid(struct hidp_session *session, - struct hidp_connadd_req *req) + const struct hidp_connadd_req *req) { struct hid_device *hid; int err; @@ -807,7 +807,7 @@ fault: /* initialize session devices */ static int hidp_session_dev_init(struct hidp_session *session, - struct hidp_connadd_req *req) + const struct hidp_connadd_req *req) { int ret; @@ -906,7 +906,7 @@ static void hidp_session_dev_work(struct work_struct *work) static int hidp_session_new(struct hidp_session **out, const bdaddr_t *bdaddr, struct socket *ctrl_sock, struct socket *intr_sock, - struct hidp_connadd_req *req, + const struct hidp_connadd_req *req, struct l2cap_conn *conn) { struct hidp_session *session; @@ -1338,7 +1338,7 @@ static int hidp_verify_sockets(struct socket *ctrl_sock, return 0; } -int hidp_connection_add(struct hidp_connadd_req *req, +int hidp_connection_add(const struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock) { diff --git a/net/bluetooth/hidp/hidp.h b/net/bluetooth/hidp/hidp.h index 8798492a6e99..6ef88d0a1919 100644 --- a/net/bluetooth/hidp/hidp.h +++ b/net/bluetooth/hidp/hidp.h @@ -122,7 +122,7 @@ struct hidp_connlist_req { struct hidp_conninfo __user *ci; }; -int hidp_connection_add(struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock); +int hidp_connection_add(const struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock); int hidp_connection_del(struct hidp_conndel_req *req); int hidp_get_connlist(struct hidp_connlist_req *req); int hidp_get_conninfo(struct hidp_conninfo *ci); diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c index 1eaac01f85de..9f85a1943be9 100644 --- a/net/bluetooth/hidp/sock.c +++ b/net/bluetooth/hidp/sock.c @@ -46,9 +46,8 @@ static int hidp_sock_release(struct socket *sock) return 0; } -static int hidp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +static int do_hidp_sock_ioctl(struct socket *sock, unsigned int cmd, void __user *argp) { - void __user *argp = (void __user *) arg; struct hidp_connadd_req ca; struct hidp_conndel_req cd; struct hidp_connlist_req cl; @@ -57,7 +56,7 @@ static int hidp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long struct socket *isock; int err; - BT_DBG("cmd %x arg %lx", cmd, arg); + BT_DBG("cmd %x arg %p", cmd, argp); switch (cmd) { case HIDPCONNADD: @@ -122,6 +121,11 @@ static int hidp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long return -EINVAL; } +static int hidp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +{ + return do_hidp_sock_ioctl(sock, cmd, (void __user *)arg); +} + #ifdef CONFIG_COMPAT struct compat_hidp_connadd_req { int ctrl_sock; /* Connected control socket */ @@ -141,13 +145,15 @@ struct compat_hidp_connadd_req { static int hidp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { + void __user *argp = compat_ptr(arg); + int err; + if (cmd == HIDPGETCONNLIST) { struct hidp_connlist_req cl; + u32 __user *p = argp; u32 uci; - int err; - if (get_user(cl.cnum, (u32 __user *) arg) || - get_user(uci, (u32 __user *) (arg + 4))) + if (get_user(cl.cnum, p) || get_user(uci, p + 1)) return -EFAULT; cl.ci = compat_ptr(uci); @@ -157,39 +163,54 @@ static int hidp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigne err = hidp_get_connlist(&cl); - if (!err && put_user(cl.cnum, (u32 __user *) arg)) + if (!err && put_user(cl.cnum, p)) err = -EFAULT; return err; } else if (cmd == HIDPCONNADD) { - struct compat_hidp_connadd_req ca; - struct hidp_connadd_req __user *uca; + struct compat_hidp_connadd_req ca32; + struct hidp_connadd_req ca; + struct socket *csock; + struct socket *isock; - uca = compat_alloc_user_space(sizeof(*uca)); + if (!capable(CAP_NET_ADMIN)) + return -EPERM; - if (copy_from_user(&ca, (void __user *) arg, sizeof(ca))) + if (copy_from_user(&ca32, (void __user *) arg, sizeof(ca32))) return -EFAULT; - if (put_user(ca.ctrl_sock, &uca->ctrl_sock) || - put_user(ca.intr_sock, &uca->intr_sock) || - put_user(ca.parser, &uca->parser) || - put_user(ca.rd_size, &uca->rd_size) || - put_user(compat_ptr(ca.rd_data), &uca->rd_data) || - put_user(ca.country, &uca->country) || - put_user(ca.subclass, &uca->subclass) || - put_user(ca.vendor, &uca->vendor) || - put_user(ca.product, &uca->product) || - put_user(ca.version, &uca->version) || - put_user(ca.flags, &uca->flags) || - put_user(ca.idle_to, &uca->idle_to) || - copy_to_user(&uca->name[0], &ca.name[0], 128)) - return -EFAULT; + ca.ctrl_sock = ca32.ctrl_sock; + ca.intr_sock = ca32.intr_sock; + ca.parser = ca32.parser; + ca.rd_size = ca32.rd_size; + ca.rd_data = compat_ptr(ca32.rd_data); + ca.country = ca32.country; + ca.subclass = ca32.subclass; + ca.vendor = ca32.vendor; + ca.product = ca32.product; + ca.version = ca32.version; + ca.flags = ca32.flags; + ca.idle_to = ca32.idle_to; + memcpy(ca.name, ca32.name, 128); + + csock = sockfd_lookup(ca.ctrl_sock, &err); + if (!csock) + return err; - arg = (unsigned long) uca; + isock = sockfd_lookup(ca.intr_sock, &err); + if (!isock) { + sockfd_put(csock); + return err; + } - /* Fall through. We don't actually write back any _changes_ - to the structure anyway, so there's no need to copy back - into the original compat version */ + err = hidp_connection_add(&ca, csock, isock); + if (!err && copy_to_user(argp, &ca32, sizeof(ca32))) + err = -EFAULT; + + sockfd_put(csock); + sockfd_put(isock); + + return err; } return hidp_sock_ioctl(sock, cmd, arg); diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 514899f7f0d4..2146e0f3b6f8 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -680,9 +680,9 @@ static void l2cap_chan_le_connect_reject(struct l2cap_chan *chan) u16 result; if (test_bit(FLAG_DEFER_SETUP, &chan->flags)) - result = L2CAP_CR_AUTHORIZATION; + result = L2CAP_CR_LE_AUTHORIZATION; else - result = L2CAP_CR_BAD_PSM; + result = L2CAP_CR_LE_BAD_PSM; l2cap_state_change(chan, BT_DISCONN); @@ -3670,7 +3670,7 @@ void __l2cap_le_connect_rsp_defer(struct l2cap_chan *chan) rsp.mtu = cpu_to_le16(chan->imtu); rsp.mps = cpu_to_le16(chan->mps); rsp.credits = cpu_to_le16(chan->rx_credits); - rsp.result = cpu_to_le16(L2CAP_CR_SUCCESS); + rsp.result = cpu_to_le16(L2CAP_CR_LE_SUCCESS); l2cap_send_cmd(conn, chan->ident, L2CAP_LE_CONN_RSP, sizeof(rsp), &rsp); @@ -3816,9 +3816,17 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn, result = L2CAP_CR_NO_MEM; + /* Check for valid dynamic CID range (as per Erratum 3253) */ + if (scid < L2CAP_CID_DYN_START || scid > L2CAP_CID_DYN_END) { + result = L2CAP_CR_INVALID_SCID; + goto response; + } + /* Check if we already have channel with that dcid */ - if (__l2cap_get_chan_by_dcid(conn, scid)) + if (__l2cap_get_chan_by_dcid(conn, scid)) { + result = L2CAP_CR_SCID_IN_USE; goto response; + } chan = pchan->ops->new_connection(pchan); if (!chan) @@ -5280,7 +5288,7 @@ static int l2cap_le_connect_rsp(struct l2cap_conn *conn, credits = __le16_to_cpu(rsp->credits); result = __le16_to_cpu(rsp->result); - if (result == L2CAP_CR_SUCCESS && (mtu < 23 || mps < 23 || + if (result == L2CAP_CR_LE_SUCCESS && (mtu < 23 || mps < 23 || dcid < L2CAP_CID_DYN_START || dcid > L2CAP_CID_LE_DYN_END)) return -EPROTO; @@ -5301,7 +5309,7 @@ static int l2cap_le_connect_rsp(struct l2cap_conn *conn, l2cap_chan_lock(chan); switch (result) { - case L2CAP_CR_SUCCESS: + case L2CAP_CR_LE_SUCCESS: if (__l2cap_get_chan_by_dcid(conn, dcid)) { err = -EBADSLT; break; @@ -5315,8 +5323,8 @@ static int l2cap_le_connect_rsp(struct l2cap_conn *conn, l2cap_chan_ready(chan); break; - case L2CAP_CR_AUTHENTICATION: - case L2CAP_CR_ENCRYPTION: + case L2CAP_CR_LE_AUTHENTICATION: + case L2CAP_CR_LE_ENCRYPTION: /* If we already have MITM protection we can't do * anything. */ @@ -5459,7 +5467,7 @@ static int l2cap_le_connect_req(struct l2cap_conn *conn, pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src, &conn->hcon->dst, LE_LINK); if (!pchan) { - result = L2CAP_CR_BAD_PSM; + result = L2CAP_CR_LE_BAD_PSM; chan = NULL; goto response; } @@ -5469,28 +5477,28 @@ static int l2cap_le_connect_req(struct l2cap_conn *conn, if (!smp_sufficient_security(conn->hcon, pchan->sec_level, SMP_ALLOW_STK)) { - result = L2CAP_CR_AUTHENTICATION; + result = L2CAP_CR_LE_AUTHENTICATION; chan = NULL; goto response_unlock; } /* Check for valid dynamic CID range */ if (scid < L2CAP_CID_DYN_START || scid > L2CAP_CID_LE_DYN_END) { - result = L2CAP_CR_INVALID_SCID; + result = L2CAP_CR_LE_INVALID_SCID; chan = NULL; goto response_unlock; } /* Check if we already have channel with that dcid */ if (__l2cap_get_chan_by_dcid(conn, scid)) { - result = L2CAP_CR_SCID_IN_USE; + result = L2CAP_CR_LE_SCID_IN_USE; chan = NULL; goto response_unlock; } chan = pchan->ops->new_connection(pchan); if (!chan) { - result = L2CAP_CR_NO_MEM; + result = L2CAP_CR_LE_NO_MEM; goto response_unlock; } @@ -5526,7 +5534,7 @@ static int l2cap_le_connect_req(struct l2cap_conn *conn, chan->ops->defer(chan); } else { l2cap_chan_ready(chan); - result = L2CAP_CR_SUCCESS; + result = L2CAP_CR_LE_SUCCESS; } response_unlock: diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index 5e44d842cc5d..0c7d31c6c18c 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -839,18 +839,6 @@ static int rfcomm_tty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned l BT_DBG("TIOCMIWAIT"); break; - case TIOCGSERIAL: - BT_ERR("TIOCGSERIAL is not supported"); - return -ENOIOCTLCMD; - - case TIOCSSERIAL: - BT_ERR("TIOCSSERIAL is not supported"); - return -ENOIOCTLCMD; - - case TIOCSERGSTRUCT: - BT_ERR("TIOCSERGSTRUCT is not supported"); - return -ENOIOCTLCMD; - case TIOCSERGETLSR: BT_ERR("TIOCSERGETLSR is not supported"); return -ENOIOCTLCMD; |